NAKAGAWA,Kiyoharu - Faculty of Environmental and Urban Engineering Department of Chemical, Energy and Environmental Engineering

NAKAGAWA, Kiyoharu

Faculty, Department/Institute

Faculty of Environmental and Urban Engineering Department of Chemical, Energy and Environmental Engineering

Academic status (qualification)

Professor Apr. 1,2018

Academic Degrees

Kansai University

Homepage Address, E-mail Address

Homepage Address：https://wps.itc.kansai-u.ac.jp/enezai/
Homepage Address2：https://miraibook.jp/researcher/256

Research fields

Research fields	keyword
Nano-composite	carbon nanotube;diamond;graphene;
Chemistry for energy device	;;

Research topics

research topic
Study theme state
research duration
Research Programs
keyword	,,
Research field	Function, Properties and Materials in chemistry
Research Topics Overview	マリモナノカーボンは、表面酸化ナノダイヤモンドを核にカーボンナノチューブ(CNT)やカーボンナノフィラメント(CNF)が放射状に高密度に生成している球状炭素繊維材料である。表面酸化ナノダイヤモンドは、表面に含酸素官能基が規則的に配列しているため、触媒担体に用いた場合に担持するNi, Coなどの金属粒子をナノサイズで高分散に担持することが可能である。この金属担持酸化ダイヤモンド触媒として流動層反応装置を用いて炭化水素の接触分解反応を行うことで高密度のマリモナノカーボンが合成できる。マリモカーボンは、原料炭化水素や表面酸化ダイヤモンドに担持する金属の種類を選択することで生成する炭素繊維の形状や内部構造を変えることが可能。例えば、ナノ炭素繊維の内部構造を中空状のナノチューブ、カップ積層型カーボンナノフィラメント、コイン積層型ナノフィラメントなど様々な微細構造を有するナノ炭素繊維を選択合成することができます。また、原料炭化水素の選択によりナノ炭素繊維の形状を直線状やコイル状に変えることが可能である。

research topic
Study theme state
research duration
Research Programs
keyword	,,
Research field	Electrochemistry
Research Topics Overview	リチウムイオン電池に代表される蓄電デバイスは、高容量化、安定性、耐久性、製造コストの削減などの課題が挙げられる。そこで、リチウムイオン電池に代わるナトリウムイオンや多価イオン電池に注目して研究を行っている。リチウムイオン電池は正極・負極の層間物質にリチウムイオンが挿入・脱離されることで充放電を行っているが、多価イオンの黒鉛負極への挿入・脱離に関する報告は少ないのが現状である。これは、多価イオンがリチウムイオンに比べ反応性が乏しいことが原因だと考えられる。本研究では、多価イオン電池について炭素電極および電解液の2つの側面から開発し、炭素電極に化学修飾を施すことで反応性の向上、また、電解液の溶液構造を分析して多価イオンに適した電解質や溶媒の検討を行っている。また、マリモナノカーボンを利用した直接アルコール型燃料電池の電極触媒の開発を行っている。現在、電極触媒にはカーボンブラックを担体としてPtやPt-Ruを大量に担持した触媒が使用されている。しかし、Ptなどの貴金属には資源量の制約があり現状の使用量では普及が難しいと考えられる。マリモカーボンを触媒担体に用いることで、現在用いられているカーボンブラックと比較して、担持金属であるPtを高分散に担持し、担持量も従来のカーボンブラックのPt担持量の1/10程度の5wt%まで少なくしても高活性を示すことを見出した。他にもメソ孔性炭素材料を電極とした電気二重層キャパシタにおいて、有機電解液やイオン液体を電解液に用いたときに、マイクロ孔性の活性炭電極より高い電気容量が得られている。

research topic
Study theme state
research duration
Research Programs
keyword	,,
Research field	Environmental engineering
Research Topics Overview	水環境改善において、水溶液中から微量無機化合物の検出、除去に関して電解法、沈殿法、逆浸透法、イオン交換法など様々な方法が用いられている。しかし、従来法ではイオン交換法を例に挙げると定期的な再生操作が必要で、イオン交換樹脂を繰り返し利用するため時間的、経済的に不利な面が多く存在する。これらの問題点を鑑み、本研究室では電気二重層の原理を取り入れて電極にメソ孔性の炭素材料を使用して希薄溶液中のイオンの除去・濃縮に関する研究を行っている。具体例としてマリモナノカーボンで電極材料に使用している。マリモナノカーボンはナノ炭素繊維の表面および繊維間の空隙を利用する異形メソ孔性炭素材料としても期待できる。そのため希薄溶液中のCsイオンの除去に使用した場合、メソ孔性のマリモナノカーボンは、マイクロ孔性の活性炭材料と比較すると希薄水溶液中でも良好な電気二重層を形成し、0.1 mMの極めて薄いCsCl溶液からCsイオンを除去することが可能となった。今後、メソ孔性マリモナノカーボンを用いた新規水処理プロセスの発展が期待できる。他にも、ナノ炭素材料の環境材料への応用としてメタンや一酸化炭素を検出するガスセンサやグルコースセンサなどのバイオセンサの開発も行っている。

Awards

May 28,1999
Feb. 27,2004

Academic Associations

所属学会・団体名	役職名 (役職在任期間)
The Electrochemical Society

Intellectual Property Rights

(Published)
application number：2005-007682 (Jan. 14,2005)
application number：2006－196750
(Published)
application number：2005-007683 (Jan. 14,2005)
application number：2006－193380
(Published)
application number：2004-153129 (May 24,2004)
application number：2005－335968
(Published)
application number：2004-101637 (Mar. 31,2004)
application number：2005－279596
(Published)
application number：2003-368361 (Oct. 29,2003)
application number：2005-133590
(Acquired)
application number：2003-368356 (Oct. 29,2003)
application number：2005-136020
application number：3968439
(Published)
application number：2003-197007 (Jul. 15,2003)
application number：2005-35800

Research Publications

No.	Type of publication	Date of publication (Date of presentation)	Title	Type of research result	Jointly authored or single authored	Publisher and journal name	Volume number
1	Papers1	2022/4～2022,04,00,,,	The effect of copper on the multiple carbon nanofilaments growths by the methane decomposition over the oxidized diamond-supported nickel–copper bimetallic catalyst	Academic Journal	Co-authored
2	Papers1	2021/4～2021,04,00,,,	Water softening during natural flow using electric double layer adsorption	Academic Journal	International coauthorship	TANSO
3	Papers1	2021/4～2021,04,00,,,	An enzymatic glucose sensor based on glucose oxidase immobilized cup-stacked carbon nanofilaments	Academic Journal	Co-author	TANSO
4	Academic presentation7	2017/12/6～2017,12,06,,,	Influence of SEI Component on Graphite Negative Electrode Performance for Li-ion Battery using Ionic Liquid Electrolyte		Co-author
5	Academic presentation7	2017/12/6～2017,12,06,,,	Reactions of alkoxysilanes in the presence of the Marimo carbon		Co-author
6	Academic presentation7	2016/12/21～2016,12,21,,,	Interaction Between Alkoxysilanes and the Marimo Carbon		Co-author
7	Academic presentation7	2016/12/21～2016,12,21,,,	Synthesis of Cup-Stacked Carbon Nanofilament for Low-Temperature Methane Combustion Catalyst		Co-author
8	Academic presentation7	2016/12/21～2016,12,21,,,	Development of the Negative Electrode for Li Ion Battery Using Coin-Stacked CNF		Co-author
9	Papers1	2014/5/20～2014,05,20,,,	Fundamental Study for the Development of Cs Removal Technique from Low Level Radioactive Liquid Wastes of Decontamination Processes	Academic Journal	Co-author
10	Papers1	2013/5～2013,05,00,,,	Carbon Nanotube Synthesis Over Nickel-Ferrite Loaded Oxidized Diamond Catalyst	Academic Journal	Co-author	ECS Transactions	50(48), pp. 9-15
11	Papers1	2013/5～2013,05,00,,,	Electrocatalytic Activity of Pt-Loaded Carbon Nanofilament for Methanol Oxidation Reaction in Fuel Cell	Academic Journal	Co-author	ECS Transactions	50(48), pp. 55-60
12	Papers1	2013/4～2013,04,00,,,	Catalytic Synthesis of Carbon Nanotube and Nanofilament Over Oxidized Diamond-Supported Catalysts	Academic Journal	Co-author	ECS Transactions	50(20) pp.1-7
13	International academic conference8	2011/10～2011,10,,,,	A Structural Investigation of Carbon Nanofilaments in the Marimo Carbon Formation by the Methane Decomposition with Oxidized Diamond-Supported Nickel Catalysts		Co-author
14	Papers1	2011/6～2011,06,00,,,	Influence of surface charge and textural properties of carbon electrodes on nitrate ion removal by electroadsorption	Academic Journal	Co-author	TANSO	248 122-126
15	Papers1	2010/4～2010,04,,,,	Surface chemical properties of cup-stacked-type carbon nanotubes	Academic Journal	Co-author	TANSO	242. 55-59
16	International academic conference8	2010/4～2010,04,,,,	A Study of Properties of F- Removal in Dilute Solutions Using Mesoporous Carbon Electrodes		Co-author
17	International academic conference8	2010/4～2010,04,,,,	Nanocarbon Synthesis Using Oxidized Diamond-Supported Metal Catalysts		Co-author
18	Papers1	2010～2010,,,,,	Nanocarbon Synthesis Using Oxidized Diamond-Supported Metal Catalysts	Academic Journal	Co-author	ECS Transactions	28(21), 33-42
19	Papers1	2010～2010,,,,,	A Study of Properties of F- Removal in Dilute Solutions Using Mesoporous Carbon Electrodes	Academic Journal	Co-author	ECS Transactions	28(17), 81-88
20	International academic conference8	2009/7～2009,07,,,,	Field Electron Emission Characteristics of the "Marimo Carbon"		Co-author
21	Papers1	2009～2009,,,,,	A novel spherical carbon	Academic Journal	Co-author	Journal of Materials Science	44, pp. 221-226
22	Papers1	2008～2008,,,,,	CO2 Reforming of CH4 over Co/Oxidized Diamond Catalyst	Academic Journal	Co-author	ENERGY & FUELS	22, pp. 3566-3570
23	Papers1	2007～2007,,,,,	Field emission characteristics of well-aligned carbon nanotubes synthesized in organic liquids	Academic Journal	Co-author	Japanese Journal of Applied Physics	46, 9B, pp. 6339-6342
24	Papers1	2007～2007,,,,,	Liquid-phase deposition of aligned carbon nanotubes using cobalt catalyst	Academic Journal	Co-author	Japanese Journal of Applied Physics	46, 9B, pp. 6329-6334
25	Papers1	2007～2007,,,,,	Surface potential change by oxidation of the chemical vapor deposited diamond (001) surface	Academic Journal	Co-author	Journal of Physics: Conference Series	61, pp. 327-331
26	Papers1	2007～2007,,,,,	Surface conductivity change by oxidation of the homoepitaxially grown diamond (100) surface	Academic Journal	Co-author	Journal of Physics: Conference Series	61, pp. 332-335
27	International academic conference8	2006/11～2006,11,,,,	Selective Synthesis of Carbon Nanocoil by the Decomposition of Ethylene Using Oxidized-Diamond-Supported Palladium Catalyst		Co-author
28	Papers1	2006～2006,,,,,	A novel nano-carbon rapid growth method in liquid alcohol using RF induction heating	Academic Journal	Co-author	Crystal Growth & Design	6, pp. 2627 -2629
29	Papers1	2006～2006,,,,,	Low-temperature synthesis of graphitized nanofibers by a spray pyrolysis method and their electrochemical properties	Academic Journal	Co-author	TANSO	225, pp. 329-332
30	Papers1	2006～2006,,,,,	An artificial carbon nano-thorn synthesized by a plasma chemical vapour deposition	Academic Journal	Co-author	Journal of Physics D: Applied Physics	39, pp. 3337-3341
31	Papers1	2005～2005,,,,,	Partial oxidation of methane to synthesis gas over oxidized diamond supported catalysts -Mechanistic study of Ni and Co loaded catalyst-	Academic Journal	Co-author	Journal of Japan petroleum Institute	48, pp. 290-300
32	Papers1	2005～2005,,,,,	Catalytic growth of carbon nanofilament in liquid hydrocarbon	Academic Journal	Co-author	Catalysis Letters	101, pp. 191-194
33	Papers1	2005～2005,,,,,	Low-temperature synthesis of highly graphitized nanofibers for reversible lithium-ion insertion/extraction	Academic Journal	Co-author	Electrochemistry Communications	7, pp. 10-13
34	Papers1	2005～2005,,,,,	Hydrogen Production from Methane for Fuel Cell Using Oxidized Diamond-Supported Catalysts	Academic Journal	Co-author	International Journal of Hydrogen Energy	30, pp. 201-207
35	International academic conference8	2004/10～2004,10,,,,	Oxidized diamond-supported catalyst for simultaneous synthesis of nanocarbons and hydrogen		Co-author
36	International academic conference8	2004/10～2004,10,,,,	Ultra-Fine Patterning of the N-doped CVD Diamond Films I. - N2 Addition in the Gas Phase for the Nano-fabrication -		Co-author
37	International academic conference8	2004/10～2004,10,,,,	A liquid-phase synthesis of various carbon nanofilaments in liquid hydrocarbons		Co-author
38	International academic conference8	2004/10～2004,10,,,,	Catalytic Synthesis of Carbon Nanotubes in the Organic Liquid		Co-author
39	International academic conference8	2004/10～2004,10,,,,	Chemical Structure and Surface Potential of Nickel and Nickel-oxide Thin-film Surfaces Studied by High-resolution Monochromated X-ray Photoelectron Spectroscopy and Scannning Kelvin Force Microscopy		Co-author
40	Papers1	2004～2004,,,,,	Partial oxidation of methane to synthesis gas over oxidized diamond catalysts	Academic Journal	Co-author	Applied Catalysis A: General	264, pp. 65-72
41	Papers1	2004～2004,,,,,	Direct Formation of Formaldehyde from Methane and Carbon Dioxide over Vanadium Oxide Catalysts	Academic Journal	Co-author	Journal of Molecular Catalysis. A	211, pp. 97-102
42	International academic conference8	2003/10～2003,10,,,,	Partial oxidation of methane using various metal-loaded catalysis -Mechanistic studies with non steady state reaction technique		Co-author
43	International academic conference8	2003/8～2003,08,,,,	A NOVEL CATALYTIC SYNTHESIS OF CARBON NANOTUBES IN ALCOHOL LIQUID		Co-author
44	International academic conference8	2003/4～2003,04,,,,	Oxidized Diamond as a Novel Catalyst Medium; Dehydrogenation of Light Alkane using Carbon Dioxide		Co-author
45	International academic conference8	2003/4～2003,04,,,,	Diamond-like Carbon Films and Carbon Nanomaterials Deposition from Organic Liquid Phase -		Co-author
46	International academic conference8	2003/4～2003,04,,,,	Low Temperature Synthesis of Sulfur-Doped Nanocrystalline Diamond Films -		Co-author
47	International academic conference8	2003/4～2003,04,,,,	Stress Control of Hydrogenated Amorphous Silicon Nitride Films Deposited by Plasma-Enhanced Chemical Vapor Deposition -		Co-author
48	International academic conference8	2003/3～2003,03,,,,	Selective Oxidation of Alkane with Carbon Dioxide Using Diamond Catalyst		Co-author
49	International academic conference8	2003/3～2003,03,,,,	A Green Process for The Production of Carbon Nanotubes in Organic Liquid		Co-author
50	International academic conference8	2003/3～2003,03,,,,	Carbon nanotubes designed by green sustainable chemistry		Co-author
51	International academic conference8	2003/3～2003,03,,,,	Simultaneous production of carbon nanomaterials and hydrogen for fuel cell systems		Co-author
52	Papers1	2003～2003,,,,,	Direct Formation of Acetaldehyde from Ethane using Carbon Dioxide as a Novel Oxidant over Oxidized Diamond-Supported Catalysts	Academic Journal	Co-author	The Journal of Physical Chemistry-B	107, pp. 13419-13424
53	Papers1	2003～2003,,,,,	Oxidized Diamond as a Simultaneous Production Medium of Carbon Nanomaterials and Hydrogen for Fuel Cell	Academic Journal	Co-author	Chemistry of Materials	15, pp. 4571-4575
54	Papers1	2003～2003,,,,,	Novel Selective Oxidation of Light Alkanes Using Carbon Dioxide: Oxidized Diamond as a Novel Catalytic Medium	Academic Journal	Co-author	Chemistry Letters	32, pp. 866-867
55	Papers1	2003～2003,,,,,	Dehydrogenation of light alkanes over oxidized diamond-supported catalysts in the presence of carbon dioxide	Academic Journal	Co-author	Catalysis Today	84, pp. 149-157
56	Papers1	2003～2003,,,,,	Synthesis Gas Production from Methane Using Oxidized Diamond-supported Group VIII Metal Catalysts	Academic Journal	Co-author	Energy & Fuels	17, pp. 971 - 976
57	Papers1	2003～2003,,,,,	The Role of Chemisorbed Oxygen on Diamond Surfaces for the Dehydrogenation of Ethane in the Presence of Carbon Dioxide	Academic Journal	Co-author	The Journal of Physical Chemistry-B	107, pp. 4048-4056
58	International academic conference8	2002/7～2002,07,,,,	Conversion of methane to formaldehyde using carbon dioxide as an oxidant		Co-author
59	International academic conference8	2002/7～2002,07,,,,	The Oxidation State of VPO Catalyst for Selective Oxidation of n-Butane in an in situ Redox Fluidized-Bed Reactor		Co-author
60	Papers1	2002～2002,,,,,	Partial oxidation of methane to synthesis gas over Ru-loaded Y2O3 catalyst	Academic Journal	Co-author	Catalysis Letters	82, pp. 161-167
61	Papers1	2002～2002,,,,,	CO2 reforming of methane over Ru-loaded lanthanoid oxide catalysts	Academic Journal	Co-author	CO2 Conversion and Utilization in Refinery and Chemical Processing.' edited by C. Song, A.M. Gaffney, and K. Fujimoto, ACS Symposium Series	809, pp. 205-223
62	Papers1	2002～2002,,,,,	Dehydrogenation of ethylbenzene over vanadium oxide-loaded MgO catalyst: Promoting effect of carbon dioxide	Academic Journal	Co-author	Journal of Catalysis	209, pp. 16-24
63	Papers1	2002～2002,,,,,	Optimization of Fe/SiO2 based metal oxides as selective oxidation catalyst of propane with combinatorial approach	Academic Journal	Co-author	Research on Chemical Intermediates	28, pp. 397-407
64	Papers1	2002～2002,,,,,	Synthesis of aligned carbon nanotubes in organic liquids	Academic Journal	Co-author	Journal of Materials Research	17, pp. 2457-2464
65	Papers1	2002～2002,,,,,	Diamond-supported metal catalyst: A novel medium for hydrogen production from methanol decomposition	Academic Journal	Co-author	Catalysis Letters	80, pp. 161-164
66	Papers1	2002～2002,,,,,	Oxidized diamond as a new catalyst support	Academic Journal	Co-author	Studies in Surface Science and Catalysis	143, pp. 1073-1079
67	International academic conference8	2001/9～2001,09,,,,	Direct Formation of Acetaldehyde from Ethane with CO2 as an Oxidant over Oxidized Diamond-supported Vanadium Catalyst		Co-author
68	International academic conference8	2001/9～2001,09,,,,	Carbon Dioxide Promoted Dehydrogenation of Ethylbenzen over Vanadium Oxide Loaded-Magnesium Oxide Catalyst		Co-author
69	International academic conference8	2001/9～2001,09,,,,	Conversion of methane to formaldehyde using carbon dioxide as an oxidant		Co-author
70	Papers1	2001～2001,,,,,	Transient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported group VIII metal catalysts	Academic Journal	Co-author	Catalysis Today	64, pp. 31-41
71	Papers1	2001～2001,,,,,	Role of carbon dioxide on the dehydrogenation of ethane over gallium-loaded catalysts	Academic Journal	Co-author	Journal of Catalysis	203, pp. 87-93
72	Papers1	2001～2001,,,,,	Alkylation of benzene with ethane over platinum-loaded zeolite catalyst	Academic Journal	Co-author	Catalysis Letters	73, pp. 175-180
73	Papers1	2001～2001,,,,,	Oxidized diamond supported Ni catalysts for synthesis gas formation from methane	Academic Journal	Co-author	Chemistry Letters	pp. 460-461
74	International academic conference8	2000/12～2000,12,,,,	Dehydrogenation of ethane in the presence of carbon dioxide using oxidized diamond-supported catalysts		Co-author
75	International academic conference8	2000/12～2000,12,,,,	Partial oxidation and CO2 reforming of methane to synthesis gas over Ni-loaded oxidized diamond catalyst		Co-author
76	International academic conference8	2000/12～2000,12,,,,	Oxidative conversion of ethane into acetaldehyde and acrolein over Cs/Fe/SiO2 and Cs/V/SiO2 catalyst		Co-author
77	International academic conference8	2000/7～2000,07,,,,	Diamond as a new support material for the catalytic reactions		Co-author
78	Papers1	2000～2000,,,,,	Reactivity of carbon species formed on supported noble metal catalysts in the methane conversion reactions	Academic Journal	Co-author	Journal of Catalysis	194, pp. 115-121
79	Papers1	2000～2000,,,,,	Dehydrogenation of isopropylbenzen with vanadium oxide-loaded activated carbon catalyst in the presence of carbon dioxide	Academic Journal	Co-author	Catalysis Letters	69, pp. 59-64
80	Papers1	2000～2000,,,,,	Promoting effect of carbon dioxide on the dehydrogenation and aromatization of ethane over gallium-loaded catalysts	Academic Journal	Co-author	Catalysis Letters	64, pp. 215-221
81	Papers1	2000～2000,,,,,	Oxidation capability of carbon dioxide in the dehydrogenation of ethylbenzene over vanadium oxide-loaded MgO catalyst	Academic Journal	Co-author	Chemistry Letters	pp. 526-527
82	Papers1	2000～2000,,,,,	Selective oxidation of ethane to acetaldehyde and acrolein over silica-supported vanadium catalysts using oxygen as oxidant	Academic Journal	Co-author	Journal of Catalysis	190, pp. 215-227
83	Papers1	2000～2000,,,,,	Oxidized diamond: A novel support for catalytic dehydrogenation	Academic Journal	Co-author	Chemistry Letters	pp. 1100-1101
84	International academic conference8	1999/9～1999,09,,,,	Transient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported noble metal catalysts		Co-author
85	International academic conference8	1999/9～1999,09,,,,	Alkylation of benzene with ethane over platinum-loaded H-ZSM5 catalyst		Co-author
86	Papers1	1999～1999,,,,,	Transient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported rhodium and iridium catalysts	Academic Journal	Co-author	Journal of Catalysis	186, pp. 405-413
87	Papers1	1999～1999,,,,,	Partial oxidation of methane to synthesis gas over iridium-nickel bimetallic catalysts	Academic Journal	Co-author	Applied Catalysis A: General	180, pp. 183-193
88	Papers1	1999～1999,,,,,	Reaction mechanisums of carbon dioxide reforming of methane wiyh Ru-loaded lanthanum oxide catalyst	Academic Journal	Co-author	Applied Catalysis A: General	179, pp. 247-256
89	Papers1	1999～1999,,,,,	Alkylation of benzene with ethane over platinum-loaded H-ZSM-5 catalyst	Academic Journal	Co-author	Chemistry Letters	pp. 207-208
90	Papers1	1999～1999,,,,,	Acrolein formation in the oxidation of ethane over silica catalysts supporting iron and cesium	Academic Journal	Co-author	Catalysis Letters	63, pp. 79-82
91	International academic conference8	1998/10～1998,10,,,,	Partial oxidation of methane to synthesis gas over iridium-based catalysts		Co-author
92	International academic conference8	1998/6～1998,06,,,,	Mechanisms of CO2 Reforming and Partial Oxidation of Methane Investigated with Pulsed Reaction Technique		Co-author
93	Papers1	1998～1998,,,,,	Partial oxidation of methane to synthesis gas over supported iridium catalysts	Academic Journal	Co-author	Applied Catalysis A: General	169, pp. 281-290
94	Papers1	1998～1998,,,,,	Effect of support on the conversion of methane to synthesis gas over supported iridium catalysts	Academic Journal	Co-author	Catalysis Letters	51, pp. 163-167
95	Papers1	1998～1998,,,,,	Dehydrogenation of ethane over gallium oxide in the presence of carbon dioxide	Academic Journal	Co-author	Journal of the Chemistry Society Chemical Communications	pp. 1025-1026
96	Papers1	1997～1997,,,,,	CO2 reforming of Heptane using ruthenium-loaded lanthanum oxide catalyst	Academic Journal	Co-author	Sekiyu Gakkaishi	40 pp. 179-184
97	Papers1	1996～1996,,,,,	Partial oxidation of methane to synthesis gas with iridium-loaded titania catalyst	Academic Journal	Co-author	Chemistry Letters	pp. 1029-1030

PapersIn refereedAcademic JournalCo-authored;;;;2023/2～

PapersIn refereedAcademic JournalCo-authored;;2023/1～https://doi.org/10.1016/j.jelechem.2022.117091

PapersIn refereedAcademic JournalCo-authored;;;2023/1～https://doi.org/10.1007/s42452-023-05275-1

Academic presentationCo-authored;;2022/12/7～

Academic presentationCo-authored;2022/12/7～

Academic presentation;2022/12/7～

Academic presentationCo-authored;;;;;2022/9/17～

PapersThe effect of copper on the multiple carbon nanofilaments growths by the methane decomposition over the oxidized diamond-supported nickel–copper bimetallic catalystIn refereedAcademic JournalCo-authored;;;2022/4～https://doi.org/10.1007/s42452-022-05015-xTo clarify the indispensable parameters for the multiple carbon nanofilaments (CNFs) growths, in other words, having a unique Octopus-like morphology consisting of the Marimo-like carbon (MC), we have systematically studied to synthesize the MC by the decomposition of methane using oxidized diamond-supported Ni–Cu bimetallic catalysts. We discovered that a Cu addition of 20 wt.% by weight and a growth temperature in the region of 550 °C to 600 °C resulted in many CNF forms from a single catalyst particle, specifically the "Octopus-like" morphology of CNFs. We also discovered that the several CNFs forms might occur from the carbon dissolved in the sintered catalyst particles. We described a model process of the unique structure formation. We expect that the Octopus-like CNFs growth gives enough space volume in the MC for a mass transfer, consequently, it should contribute to realizing a higher power generation performance of a polymer electrolyte fuel cell (PEFC) although under a higher-voltage generation region.

Academic presentationCo-authored;2022/3/24～

Academic presentation;2022/3/24～

Academic presentationCo-authored;2022/3/24～

Academic presentationCo-authored;;;;;2022/3/9～

Academic presentationInternational coauthorship;;2021/12/2～

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PapersIn refereedAcademic JournalCo-authored;;2021/8～https://doi.org/10.1007/s10008-021-05024-7

PapersIn refereedAcademic JournalCo-author;2021/7～https://doi.org/10.1016/j.cartre.2021.100058

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PapersWater softening during natural flow using electric double layer adsorptionIn refereedAcademic JournalInternational coauthorship;;;;;;;;TANSO2021/4～https://doi.org/10.7209/tanso.2021.65Print ISSN : 0371-5345Hard water is water that contains cations, especially Ca2+ and Mg2+ that can participate in reactions that leave insoluble mineral deposits. These deposits make hard water unsuitable for many uses, and so a variety of methods have been developed to remove these ions. We have attempted to remove them by using the principle of electric double layer adsorption. This system has advantages such as electrode reproducibility and reusability. This report investigates the efficient removal of these ions by electric double layer adsorption and the effectiveness of mesoporous carbon electrodes.

PapersAn enzymatic glucose sensor based on glucose oxidase immobilized cup-stacked carbon nanofilamentsIn refereedAcademic JournalCo-author;;;;;;;TANSO2021/4～https://doi.org/10.7209/tanso.2021.70Print ISSN : 0371-5345Enzymes-based glucose sensors are used as blood glucose sensors in diabetes treatment because of their high selectivity. The enzyme electrode of this sensor was obtained by immobilizing an enzyme on the electrode. However, it is difficult to stabilize an enzyme as a biological material. In this study, glucose oxidase (GOD), an enzyme that degrades glucose, was immobilized on the surface of cup-stacked carbon nanofilaments (CNF) with oxygen-containing functional groups on the surface. The formation of an amide bond between the amino group of GOD and the carboxyl group of the CNFs was expected to strongly immobilize GOD on the CNF surface. The use of CNFs with a large number of carboxyl groups as a support material for enzyme immobilization leads to improved glucose decomposition activity.

Academic presentationCo-author;2021/3/16～

International academic conferenceCo-author;2020/10/4～2020/10/9Direct Glucose Fuel Cell (DGFC) is attracting attention as a clean and sustainable energy source because glucose is the most organic substance in nature. In this study, the effect of the mesopores of marimo nano carbon (MNC) on power generation performance for anode material of direct glucose fuel cell was investigated. Three types of MNC with different mesopore distributions were used for the catalyst support material, Pt was used as the supported metal. Also, Vulcan XC-72 which is carbon black of microporous material was used as a comparative material. In the glucose fuel cell performance test, MNC having many pores of about 35 nm showed the highest maximum output density of 0.72 mW cm-2 at 5 wt% metal loading and 0.3 M Glucose. Vulcan XC-72, which was a microporous material had low power generation performance. MNC showed higher power generation performance than that of Vulcan XC-72. The pores of about 35 nm probably promoted ion diffusion and rapid mass transport of reactants and products. These results indicated that MNC was an effective material as anode material for DGFC.

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BookUnrefereedMonographCo-authorNAKAGAWA,Kiyoharu;;2019/12/27～

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PapersIn refereedAcademic JournalCo-authored;;;;2019/1～https://doi.org/10.1007/s10562-018-2588-9/s10562-018-2588-9

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PapersIn refereedAcademic JournalCo-author;;NAKAGAWA,Kiyoharu2018/5/30～10.1149/2.0361809jes

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Academic presentationInfluence of SEI Component on Graphite Negative Electrode Performance for Li-ion Battery using Ionic Liquid ElectrolyteCo-author;2017/12/6～

Academic presentationReactions of alkoxysilanes in the presence of the Marimo carbonCo-author;;;;2017/12/6～

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PapersIn refereedAcademic JournalCo-author;;;2017/11～http://doi.org/10.1252/kakoronbunshu.43.45

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Academic presentationInteraction Between Alkoxysilanes and the Marimo CarbonCo-author;;;;2016/12/21～

Academic presentationSynthesis of Cup-Stacked Carbon Nanofilament for Low-Temperature Methane Combustion CatalystCo-author;;;2016/12/21～

Academic presentationDevelopment of the Negative Electrode for Li Ion Battery Using Coin-Stacked CNFCo-author;;;2016/12/21～

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PapersIn refereedAcademic JournalCo-authorY. Kin;K. Nakagawa;H. Oda;T. Ando2016/3/1～

PapersIn refereedAcademic JournalCo-authorK. Muraoka;G. Tsujino;K. Nakagawa;H. Oda;T. Ando2016/3/1～http://doi.org/10.14723/tmrsj.41.81

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PapersFundamental Study for the Development of Cs Removal Technique from Low Level Radioactive Liquid Wastes of Decontamination ProcessesIn refereedAcademic JournalCo-author;;;;;;;;;;;;2014/5/20～Japanese

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BookMonographCo-authored chapterNAKAGAWA,Kiyoharu;2013/5/20～

PapersCarbon Nanotube Synthesis Over Nickel-Ferrite Loaded Oxidized Diamond CatalystIn refereedAcademic JournalCo-authorG. Tsujino;K. Nakagawa;T. Ando;H. Oda;ECS Transactions50(48), pp. 9-15 2013/5～English

PapersElectrocatalytic Activity of Pt-Loaded Carbon Nanofilament for Methanol Oxidation Reaction in Fuel CellIn refereedAcademic JournalCo-authorT. Toriyama;K. Nakagawa;H. Oda;T. Ando;ECS Transactions50(48), pp. 55-60 2013/5～English

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PapersCatalytic Synthesis of Carbon Nanotube and Nanofilament Over Oxidized Diamond-Supported CatalystsIn refereedAcademic JournalCo-authorK. Nakagawa;T. Toriyama;G. Tsujino;T. Ando;H. Oda;ECS Transactions50(20) pp.1-72013/4～English

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International academic conferenceIn refereedCo-authorT. Toriyama;K. Nakagawa;T. Ando;H. Oda;2012/10～

International academic conferenceIn refereedCo-authorG. Tsujino;K. Nakagawa;T. Ando;H. Oda;2012/10～

International academic conferenceIn refereedCo-authorM. Mori;K. Nakagawa;T. Ando;H. Oda;2012/10～

International academic conferenceIn refereedCo-authorK. Nakagawa;T. Toriyama;G. Tsujino;T. Ando;H. Oda;2012/10～

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International academic conferenceIn refereedCo-authorG. Tsujino;K. Nakagawa;T. Ando;H. Oda;2012/9～

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International academic conferenceA Structural Investigation of Carbon Nanofilaments in the Marimo Carbon Formation by the Methane Decomposition with Oxidized Diamond-Supported Nickel CatalystsCo-authorM. Eguchi ;K. Nakagawa;H. Gamo;T. Ando;M. N. Gamo;2011/10～24th International Microprocesses and Nanotechnology ConferenceKyoto

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PapersInfluence of surface charge and textural properties of carbon electrodes on nitrate ion removal by electroadsorptionIn refereedAcademic JournalCo-author;;;TANSO248 122-1262011/6～Japanese

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PapersSurface chemical properties of cup-stacked-type carbon nanotubesIn refereedAcademic JournalCo-authorShuhei Toshinari;Kei Kato;Shinya Yoshioka;Katsuhiro Chikuba;Kiyoharu Nakagawa;Hirokazu Oda;TANSO242. 55-592010/4～JapaneseThe physicochemical properties of carbon materials are strongly influenced by the presence of chemical species on the surface. In this study, surface functional groups on cup-stacked-type carbon nanotubes（CSCNTs）were introduced by gas phase, liquid phase, and electrochemical oxidations. Several techniques were used to characterize these materials including nitrogen adsorption, chemical and thermal analyses, FT-IR, XPS, SEM, TEM, and Raman. The results indicated that the amount of surface functional groups on CSCNTs was strongly affected by the oxidation method. In particular, the electrochemical oxidation of CSCNTs was effective and increased the concentration of carboxylic acid.

International academic conferenceA Study of Properties of F- Removal in Dilute Solutions Using Mesoporous Carbon ElectrodesCo-authorM. Hamada;S. Yoshida;K. Nakagawa;H. Oda;2010/4～The Electrochemical SocietyVancouver (Canada)English

International academic conferenceNanocarbon Synthesis Using Oxidized Diamond-Supported Metal CatalystsCo-authorK. Nakagawa;H. Gamo;M. N-Gamo;T. Ando;H. Oda;2010/4～The Electrochemical SocietyVancouver (Canada)English

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PapersNanocarbon Synthesis Using Oxidized Diamond-Supported Metal CatalystsIn refereedAcademic JournalCo-authorK. Nakagawa;H. Gamo;M. N-Gamo;T. Ando;H. OdaECS Transactions28(21), 33-422010～English

PapersA Study of Properties of F- Removal in Dilute Solutions Using Mesoporous Carbon ElectrodesIn refereedAcademic JournalCo-author;;;ECS Transactions28(17), 81-882010～English

International academic conferenceField Electron Emission Characteristics of the "Marimo Carbon"Co-authorM. Kikuchi;K. Nakagawa;H. Gamo;T. Ando;M.N. Gamo;2009/7～22nd International Vacuum Nanoelectronics ConferenceHamamatsu

PapersA novel spherical carbonAcademic JournalCo-authorK. Nakagawa;H. Oda;A. Yamashita;M. Okamoto;Y. Sato;M. N-Gamo;K. Ogawa;T. Ando;Journal of Materials Science44, pp. 221-2262009～English

PapersCO2 Reforming of CH4 over Co/Oxidized Diamond CatalystAcademic JournalCo-authorK. Nakagawa;M. Kikuchi;M. N-Gamo;H. Oda;H. amo;K. Ogawa;T. Ando;ENERGY & FUELS22, pp. 3566-35702008～English

BookMonographCo-authorNAKAGAWA,Kiyoharu;2007/1～Japanese

PapersField emission characteristics of well-aligned carbon nanotubes synthesized in organic liquidsAcademic JournalCo-authorH. Gamo;T. Shibasaki;K. Nakagawa;T. Ando;M. N-Gamo;Japanese Journal of Applied Physics46, 9B, pp. 6339-63422007～English

PapersLiquid-phase deposition of aligned carbon nanotubes using cobalt catalystAcademic JournalCo-authorM. N-Gamo;T. Shibasaki;H. Gamo;K. Nakagawa;T. Ando;Japanese Journal of Applied Physics46, 9B, pp. 6329-63342007～English

PapersSurface potential change by oxidation of the chemical vapor deposited diamond (001) surfaceAcademic JournalCo-authorH. Gamo;M. N-Gamo;K. Nakagawa;T. Ando;Journal of Physics: Conference Series61, pp. 327-3312007～English

PapersSurface conductivity change by oxidation of the homoepitaxially grown diamond (100) surfaceAcademic JournalCo-authorH. Gamo;K. Iwakaki;K. Nakagawa;T. Ando;M. N-Gamo;Journal of Physics: Conference Series61, pp. 332-3352007～English

BookMonographCo-authorNAKAGAWA,Kiyoharu;;;2007～Japanese

International academic conferenceSelective Synthesis of Carbon Nanocoil by the Decomposition of Ethylene Using Oxidized-Diamond-Supported Palladium CatalystCo-authorM.N. Gamo;H. Gamo;K. Nakagawa;T. Ando;2006/11～The 2006 MRS Fall MeetingBoston

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PapersA novel nano-carbon rapid growth method in liquid alcohol using RF induction heatingAcademic JournalCo-authorY. Sato;T. Minami;Y. Chiku;Y. Takasawa;M. Nishitani-Gamo;H. Oda;K, Ogawa;K. Nakagawa;T. Ando;Crystal Growth & Design6, pp. 2627 -26292006～English

PapersLow-temperature synthesis of graphitized nanofibers by a spray pyrolysis method and their electrochemical propertiesAcademic JournalCo-authorT. Doi;A. Fukuda;Y. Iriyama;T. Abe;Z. Ogumi;K. Nakagawa;T. Ando;TANSO225, pp. 329-3322006～English

PapersAn artificial carbon nano-thorn synthesized by a plasma chemical vapour depositionAcademic JournalCo-authorT. Mitsui;M. N-Gamo;Y. F. Zhang;K. Nakagawa;M. Takeguchi;K. Furuya;T. Ando;G. Kido;M. Aono;Journal of Physics D: Applied Physics39, pp. 3337-33412006～English

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PapersPartial oxidation of methane to synthesis gas over oxidized diamond supported catalysts -Mechanistic study of Ni and Co loaded catalyst-Academic JournalCo-authorH. Nishimoto;N. Ikenaga;K. Nakagawa;T. Konishi;T. Suzuki;Journal of Japan petroleum Institute48, pp. 290-3002005～English

PapersCatalytic growth of carbon nanofilament in liquid hydrocarbonAcademic JournalCo-authorK. Nakagawa;M. Nishitani-Gamo;K. Ogawa;T. Ando;Catalysis Letters101, pp. 191-1942005～English

PapersLow-temperature synthesis of highly graphitized nanofibers for reversible lithium-ion insertion/extractionAcademic JournalCo-authorT. Doi;A. Fukuda;Y. Iriyama;T. Abe;Z. Ogumi;K. Nakagawa;T. Ando;Electrochemistry Communications7, pp. 10-132005～English

PapersHydrogen Production from Methane for Fuel Cell Using Oxidized Diamond-Supported CatalystsAcademic JournalCo-authorK. Nakagawa;M. Nishitani-Gamo;T. Ando;International Journal of Hydrogen Energy30, pp. 201-2072005～English

PapersIn refereedAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;;2005～Japanese

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International academic conferenceOxidized diamond-supported catalyst for simultaneous synthesis of nanocarbons and hydrogenCo-authorK. Nakagawa;M. Nishitani-Gamo;H. Oda;T. Ando;2004/10～The Electrochemical SocietyHonolulu (America)English

International academic conferenceUltra-Fine Patterning of the N-doped CVD Diamond Films I. - N2 Addition in the Gas Phase for the Nano-fabrication -Co-authorH. Gamo;M. Nishitani-Gamo;K. Shimada;K. Nakagawa;T. Ando;2004/10～The Electrochemical SocietyHonolulu (America)English

International academic conferenceA liquid-phase synthesis of various carbon nanofilaments in liquid hydrocarbonsCo-authorK. Nakagawa;M. Nishitani-Gamo;H. Gamo;T. Ando;2004/10～The Electrochemical SocietyHonolulu (America)English

International academic conferenceCatalytic Synthesis of Carbon Nanotubes in the Organic LiquidCo-authorM. Nishitani-Gamo;A. Fujita;K. Hojo;H. Gamo;K. Nakagawa;T. Ando;2004/10～The Electrochemical SocietyHonolulu (America)English

International academic conferenceChemical Structure and Surface Potential of Nickel and Nickel-oxide Thin-film Surfaces Studied by High-resolution Monochromated X-ray Photoelectron Spectroscopy and Scannning Kelvin Force MicroscopyCo-authorM. Nishitani-Gamo;H. Gamo;K. Nakagawa;T. Ando;2004/10～The Electrochemical SocietyHonolulu (America)English

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PapersPartial oxidation of methane to synthesis gas over oxidized diamond catalystsAcademic JournalCo-authorH. Nishimoto;K. Nakagawa;N. Ikenaga;M. Nishitani-Gamo;T. Ando;T. Suzuki;Applied Catalysis A: General264, pp. 65-722004～English

PapersDirect Formation of Formaldehyde from Methane and Carbon Dioxide over Vanadium Oxide CatalystsAcademic JournalCo-authorT. Shimamura;K. Okumura;K. Nakagawa;T. Ando;N. Ikenaga;T. Suzuki;Journal of Molecular Catalysis. A211, pp. 97-1022004～English

CommentaryAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;;2004～Japanese

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International academic conferencePartial oxidation of methane using various metal-loaded catalysis -Mechanistic studies with non steady state reaction techniqueCo-authorT. Suzuki;K. Nakagawa;N. Ikenaga;2003/10～Fourth International Conference on Unsteady-State Processes in Catalysis USPC-4Montreal (Canada)English

International academic conferenceA NOVEL CATALYTIC SYNTHESIS OF CARBON NANOTUBES IN ALCOHOL LIQUIDCo-authorK. Nakagawa;T. Ando;M. Nishitani-Gamo;2003/8～ADC/FCT 2003 (Applied Diamond Conference/ Frontier Carbon Technology)Tsukuba (Japan)English

PatentCo-authorNAKAGAWA,Kiyoharu;;;2003/7/15～Japanese

International academic conferenceOxidized Diamond as a Novel Catalyst Medium; Dehydrogenation of Light Alkane using Carbon DioxideCo-authorK. Nakagawa;M. Nishitani-Gamo;T. Suzuki;T. Ando;2003/4～The Electrochemical SocietyParis(France)English

International academic conferenceDiamond-like Carbon Films and Carbon Nanomaterials Deposition from Organic Liquid Phase -Co-authorK. Nakagawa;M. Nishitani-Gamo;H. Gamo;T. Ando;2003/4～The Electrochemical SocietyParis(France)English

International academic conferenceLow Temperature Synthesis of Sulfur-Doped Nanocrystalline Diamond Films -Co-authorH. Gamo;M. Nishitani-Gamo;K. Nakagawa;S. Takeuchi;T. Ando;2003/4～The Electrochemical SocietyParis(France)English

International academic conferenceStress Control of Hydrogenated Amorphous Silicon Nitride Films Deposited by Plasma-Enhanced Chemical Vapor Deposition -Co-authorH. Gamo;H. Eguchi;T. Kurosu;K. Nakagawa;M. Nishitani-Gamo;T. Ando;2003/4～The Electrochemical SocietyParis(France)English

International academic conferenceSelective Oxidation of Alkane with Carbon Dioxide Using Diamond CatalystCo-authorT. Suzuki;N. Ikenaga;K. Nakagawa;M.N.-Gamo;T. Ando;2003/3～GSC TOKYO 2003Tokyo (Japan)English

International academic conferenceA Green Process for The Production of Carbon Nanotubes in Organic LiquidCo-authorT. Suzuki;K. Nakagawa;M.N-Gamo;T. Ando;2003/3～GSC TOKYO 2003Tokyo (Japan)English

International academic conferenceCarbon nanotubes designed by green sustainable chemistryCo-authorK. Nakagawa;M.N-Gamo;T. Ando;2003/3～ISAM 2003Tsukuba (Japan)English

International academic conferenceSimultaneous production of carbon nanomaterials and hydrogen for fuel cell systemsCo-authorK. Nakagawa;M.N-Gamo;T. Ando;2003/3～ISAM 2003Tsukuba (Japan)English

PapersDirect Formation of Acetaldehyde from Ethane using Carbon Dioxide as a Novel Oxidant over Oxidized Diamond-Supported CatalystsAcademic JournalCo-authorK. Okumura;K. Nakagawa;T. Shimamura;N. Ikenaga;M. Nishitani-Gamo;T. Ando;T. Kobayashi;T. Suzuki;The Journal of Physical Chemistry-B107, pp. 13419-134242003～English

PapersOxidized Diamond as a Simultaneous Production Medium of Carbon Nanomaterials and Hydrogen for Fuel CellAcademic JournalCo-authorK. Nakagawa;M. Yamagishi;H. Nishimoto;N. Ikenaga;T. Kobayashi;M. Nishitani-Gamo;T. Suzuki;T. Ando;Chemistry of Materials15, pp. 4571-45752003～English

PapersNovel Selective Oxidation of Light Alkanes Using Carbon Dioxide: Oxidized Diamond as a Novel Catalytic MediumAcademic JournalCo-authorK. Nakagawa;K. Okumura;T. Shimamura;N. Ikenaga;T. Suzuki;M. Nishitani-Gamo;T. Kobayashi;T. Ando;Chemistry Letters32, pp. 866-8672003～English

PapersDehydrogenation of light alkanes over oxidized diamond-supported catalysts in the presence of carbon dioxideAcademic JournalCo-authorK. Nakagawa;C. Kajita;N. Ikenaga;M. Nishitani-Gamo;T. Ando;T. Suzuki;Catalysis Today84, pp. 149-1572003～English

PapersSynthesis Gas Production from Methane Using Oxidized Diamond-supported Group VIII Metal CatalystsAcademic JournalCo-authorK. Nakagawa;H. Nishimoto;M. Kikuchi;Y. Enoki;S. Egashira;N. Ikenaga;T. Suzuki;M. Nishitani-Gamo;T. Kobayashi;T. Ando;Energy & Fuels17, pp. 971 - 9762003～English

PapersThe Role of Chemisorbed Oxygen on Diamond Surfaces for the Dehydrogenation of Ethane in the Presence of Carbon DioxideAcademic JournalCo-authorK. Nakagawa;C. Kajita;N. Ikenaga;T. Kobayashi;M. Nishitani-Gamo;T. Ando;T. Suzuki;The Journal of Physical Chemistry-B107, pp. 4048-40562003～English

CommentaryAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;2003～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;2002/12～Japanese

International academic conferenceConversion of methane to formaldehyde using carbon dioxide as an oxidantCo-authorTakahiro Shimamura;Kimito Okumura;Kiyoharu Nakagawa;Toshimitsu Suzuki;2002/7～THE FOURTH INTERNATIONAL TOKYO CONFERENCE ON　ADVANCED CATALYTIC SCIENCE AND TECHNOLOGYTokyo (Japan)English

International academic conferenceThe Oxidation State of VPO Catalyst for Selective Oxidation of n-Butane in an in situ Redox Fluidized-Bed ReactorCo-authorK. Nakagawa;A. Endoh;S. Nakamura;H. Furusawa;E. Kikuchi;M. Matsukata;2002/7～THE FOURTH INTERNATIONAL TOKYO CONFERENCE ON　ADVANCED CATALYTIC SCIENCE AND TECHNOLOGYTokyo (Japan)English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;2002/3～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;;2002/3～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;2002/3～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;2002/3～Japanese

PapersPartial oxidation of methane to synthesis gas over Ru-loaded Y2O3 catalystAcademic JournalCo-authorH. Nishimoto;K. Nakagawa;N. Ikenaga;T. Suzuki;Catalysis Letters82, pp. 161-1672002～English

PapersCO2 reforming of methane over Ru-loaded lanthanoid oxide catalystsAcademic JournalCo-authorK. Nakagawa;H. Hideshima;N. Akamatsu;N. Matsui;N. Ikenaga;T. Suzuki;CO2 Conversion and Utilization in Refinery and Chemical Processing.' edited by C. Song, A.M. Gaffney, and K. Fujimoto, ACS Symposium Series 809, pp. 205-2232002～English

PapersDehydrogenation of ethylbenzene over vanadium oxide-loaded MgO catalyst: Promoting effect of carbon dioxideAcademic JournalCo-authorY. Sakurai;T. Suzaki;K. Nakagawa;N. Ikenaga;H. Aota;T. Suzuki;Journal of Catalysis209, pp. 16-242002～English

PapersOptimization of Fe/SiO2 based metal oxides as selective oxidation catalyst of propane with combinatorial approachAcademic JournalCo-authorY. Yamada;A. Ueda;K. Nakagawa;T. Kobayashi;Research on Chemical Intermediates28, pp. 397-4072002～English

PapersSynthesis of aligned carbon nanotubes in organic liquidsAcademic JournalCo-authorY. Zhang;M. Nishitani-Gamo;K. Nakagawa;T. Ando;Journal of Materials Research17, pp. 2457-24642002～English

PapersDiamond-supported metal catalyst: A novel medium for hydrogen production from methanol decompositionAcademic JournalCo-authorK. Nakagawa;T. Hashida;C. Kajita;N. Ikenaga;T.kobayashi;M. Nishitani-Gamo;T. Suzuki;T. Ando;Catalysis Letters80, pp. 161-1642002～English

PapersOxidized diamond as a new catalyst supportAcademic JournalCo-authorT. Suzuki;K. Nakagawa;N. Ikenaga;T. Ando;Studies in Surface Science and Catalysis143, pp. 1073-10792002～English

PapersIn refereedAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;;;;2002～Japanese

PapersIn refereedAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;;2002～Japanese

CommentaryAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;2002～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;2001/12～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;;2001/11～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;2001/11～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;;2001/10～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;2001/10～Japanese

International academic conferenceDirect Formation of Acetaldehyde from Ethane with CO2 as an Oxidant over Oxidized Diamond-supported Vanadium CatalystCo-authorK. Okumura;K. Nakagawa;T. Shimarura;T. Suzuki;2001/9～EUROPA-CAT-VLimerick (Ireland)English

International academic conferenceCarbon Dioxide Promoted Dehydrogenation of Ethylbenzen over Vanadium Oxide Loaded-Magnesium Oxide CatalystCo-authorY. Sakurai;T. Suzaki;K. Nakagawa;N. Ikenaga;T. Suzuki;2001/9～EUROPA-CAT-VLimerick (Ireland)English

International academic conferenceConversion of methane to formaldehyde using carbon dioxide as an oxidantCo-authorT. Shimamura;K. Okumura;K. Nakagawa;T. Suzuki;2001/9～EUROPA-CAT-VLimerick (Ireland)English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;;2001/5～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;2001/3～Japanese

PapersTransient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported group VIII metal catalystsAcademic JournalCo-authorK. Nakagawa;N. Ikenaga;T. Kobayashi;T. Suzuki;Catalysis Today64, pp. 31-412001～English

PapersRole of carbon dioxide on the dehydrogenation of ethane over gallium-loaded catalystsAcademic JournalCo-authorK. Nakagawa;C. Kajita;K. Okumura;N. Ikenaga;;T. Ando;T. Kobayashi;T. Suzuki;Journal of Catalysis203, pp. 87-932001～English

PapersAlkylation of benzene with ethane over platinum-loaded zeolite catalystAcademic JournalCo-authorS. Kato;K. Nakagawa;N. Ikenaga;T. Suzuki;Catalysis Letters73, pp. 175-1802001～English

PapersOxidized diamond supported Ni catalysts for synthesis gas formation from methaneAcademic JournalCo-authorK. Nakagawa;H. Nishimoto;Y. Enoki;S. Egashira;N. Ikenaga;T. Kobayashi;M. Nishitani-Gamo;T. Ando;T. Suzuki;Chemistry Letterspp. 460-4612001～English

PapersIn refereedAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;;;2001～Japanese

PapersIn refereedAcademic JournalCo-authorNAKAGAWA,Kiyoharu;;;2001～Japanese

International academic conferenceDehydrogenation of ethane in the presence of carbon dioxide using oxidized diamond-supported catalystsCo-authorK. Nakagawa;C. Kajita;N. Ikenaga;T. Kobayashi;M-N. Gamo;T.Ando;T. Suzuki;2000/12～Pacifichem 2000Honolulu (Hawaii, America)English

International academic conferencePartial oxidation and CO2 reforming of methane to synthesis gas over Ni-loaded oxidized diamond catalystCo-authorH. Nishimoto;K. Nakagawa;Y. Enoki;N, Ikenaga;T. Kobayshi;M-N. Gamo;T. Ando;T. Suzuki;2000/12～Pacifichem 2000Honolulu (Hawaii, America)English

International academic conferenceOxidative conversion of ethane into acetaldehyde and acrolein over Cs/Fe/SiO2 and Cs/V/SiO2 catalystCo-authorT. Kobayashi;Z. Zhao;K. Nakagawa;A. Ueda;T. Suzuki;2000/12～Pacifichem 2000Honolulu (Hawaii, America)English

Academic presentationSingle-AuthorNAKAGAWA,Kiyoharu;;;;;;2000/9～Japanese

International academic conferenceDiamond as a new support material for the catalytic reactionsCo-authorK. Nakagawa;C. Kajita;T. Ando;M-N. Gamo;N. Ikenaga;T. Suzki;2000/7～Euro carbon 2000Berlin (Germany)English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;2000/5～Japanese

PapersReactivity of carbon species formed on supported noble metal catalysts in the methane conversion reactionsAcademic JournalCo-authorN. Matsui;K. Nakagawa;N. Ikenaga;T. Suzuki;Journal of Catalysis194, pp. 115-1212000～English

PapersDehydrogenation of isopropylbenzen with vanadium oxide-loaded activated carbon catalyst in the presence of carbon dioxideAcademic JournalCo-authorY. Sakurai;T. Suzaki;K. Nakagawa;N. Ikenaga;T. Suzuki;Catalysis Letters69, pp. 59-642000～English

PapersPromoting effect of carbon dioxide on the dehydrogenation and aromatization of ethane over gallium-loaded catalystsAcademic JournalCo-authorK. Nakagawa;C. Kajita;Y. Ide;M. Okamura;S. Kato;H. Kasuya;N. Ikenaga;T. Kobayashi;T. Suzuki;Catalysis Letters64, pp. 215-2212000～English

PapersOxidation capability of carbon dioxide in the dehydrogenation of ethylbenzene over vanadium oxide-loaded MgO catalystAcademic JournalCo-authorY. Sakurai;T. Suzaki;K. Nakagawa;N. Ikenaga;H. Aota;T. Suzuki;Chemistry Letterspp. 526-5272000～English

PapersSelective oxidation of ethane to acetaldehyde and acrolein over silica-supported vanadium catalysts using oxygen as oxidantAcademic JournalCo-authorZ. Zhao;Y. Yamada;Y. Teng;A. Ueda;K. Nakagawa;T. Kobayashi;Journal of Catalysis190, pp. 215-2272000～English

PapersOxidized diamond: A novel support for catalytic dehydrogenationAcademic JournalCo-authorK. Nakagawa;C. Kajita;N. Ikenaga;T. Kobayashi;M.Nishitani-Gamo;T. Ando;T. Suzuki;Chemistry Letterspp. 1100-11012000～English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;1999/12～Japanese

International academic conferenceTransient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported noble metal catalystsCo-authorK. Nakagawa;N. Ikenaga;T. Suzuki;T. Suzuki;1999/9～EUROPA-CAT-IVRimini (Italy)English

International academic conferenceAlkylation of benzene with ethane over platinum-loaded H-ZSM5 catalystCo-authorS. Kato;K. Nakagawa;N. Ikenaga;T. Suzuki;1999/9～EUROPA-CAT-IVRimini (Italy)English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;1999/9～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;1999/3～Japanese

PapersTransient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported rhodium and iridium catalystsAcademic JournalCo-authorK. Nakagawa;N. Ikenaga;Y. Teng;T. Kobayashi;T. Suzuki;Journal of Catalysis186, pp. 405-4131999～English

PapersPartial oxidation of methane to synthesis gas over iridium-nickel bimetallic catalystsAcademic JournalCo-authorK. Nakagawa;N. Ikenaga;T. Suzuki;Y. Teng;T. Kobayashi;Applied Catalysis A: General180, pp. 183-1931999～English

PapersReaction mechanisums of carbon dioxide reforming of methane wiyh Ru-loaded lanthanum oxide catalystAcademic JournalCo-authorN. Matsui;K. Anzai;N. Akamatsu;K. Nakagawa;N. Ikenaga;T. Suzuki;Applied Catalysis A: General179, pp. 247-2561999～English

PapersAlkylation of benzene with ethane over platinum-loaded H-ZSM-5 catalystAcademic JournalCo-authorS. Kato;K. Nakagawa;N. Ikenaga;T. Suzuki;Chemistry Letterspp. 207-2081999～English

PapersAcrolein formation in the oxidation of ethane over silica catalysts supporting iron and cesiumAcademic JournalCo-authorK. Nakagawa;Y. Teng;Z. Zhao;Y. Yamada;A. Ueda;T. Suzuki;T. Kobayashi;Catalysis Letters63, pp. 79-821999～English

CommentaryIn-house publicationCo-authorNAKAGAWA,Kiyoharu;;1999～Japanese

International academic conferencePartial oxidation of methane to synthesis gas over iridium-based catalystsCo-authorK. Nakagawa;N. Ikenaga;T.Suzuki;T. Kobayashi;1998/10～6th Japan-China Symposium on Coal and C1 ChemistryZao (Miyagi, Japan)English

International academic conferenceMechanisms of CO2 Reforming and Partial Oxidation of Methane Investigated with Pulsed Reaction TechniqueCo-authorT. Suzuki;N. Ikenaga;N. Matsui;K. Nakagawa;1998/6～THE THIRD INTERNATIONAL CONFERENCE ON UNSTEADY-STATE PROCESSES IN CATALYSISSt. Petersburg, RussiaEnglish

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;1998/3～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;1998/3～Japanese

PapersPartial oxidation of methane to synthesis gas over supported iridium catalystsAcademic JournalCo-authorK. Nakagawa;N. Ikenaga;T. Suzuki;T. Kobayashi;M. Haruta;Applied Catalysis A: General169, pp. 281-2901998～English

PapersEffect of support on the conversion of methane to synthesis gas over supported iridium catalystsAcademic JournalCo-authorK. Nakagawa;K. Anzai;N. Matsui;N. Ikenaga;T. Suzuki;Y. Teng;T. Kobayashi;M. Haruta;Catalysis Letters51, pp. 163-1671998～English

PapersDehydrogenation of ethane over gallium oxide in the presence of carbon dioxideAcademic JournalCo-authorK. Nakagawa;M. Okamura;N. Ikenaga;T. Suzuki;T. Kobayashi;Journal of the Chemistry Society Chemical Communicationspp. 1025-10261998～English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;1997/9～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;1997/7～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;1997/3～Japanese

PapersCO2 reforming of Heptane using ruthenium-loaded lanthanum oxide catalystAcademic JournalCo-authorS. Fujimura;K. Nakagawa;N. Ikenaga;T. Suzuki;Sekiyu Gakkaishi40 pp. 179-1841997～English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;1996/10～Japanese

PapersPartial oxidation of methane to synthesis gas with iridium-loaded titania catalystAcademic JournalCo-authorK. Nakagawa;T. Suzuki;T. Kobayashi;M. Haruta;Chemistry Letterspp. 1029-10301996～English

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;;1995/10～Japanese

Academic presentationCo-authorNAKAGAWA,Kiyoharu;;;;;1995/3～Japanese

Participation in International Conferences

The Electrochemical Society（Oxidized diamond-supported catalyst for simultaneous synthesis of nanocarbons and hydrogen） Oct.2004
Fourth International Conference on Unsteady-State Processes in Catalysis USPC-4 Oct.2003
ADC/FCT 2003 (Applied Diamond Conference/ Frontier Carbon Technology) Aug.2003
The Electrochemical Society（Oxidized Diamond as a Novel Catalyst Medium; Dehydrogenation of Light Alkane using Carbon Dioxide） Apr.2003
GSC TOKYO 2003（Selective Oxidation of Alkane with Carbon Dioxide Using Diamond Catalyst） Mar.2003
ISAM 2003（Carbon nanotubes designed by green sustainable chemistry） Mar.2003
THE FOURTH INTERNATIONAL TOKYO CONFERENCE ON　ADVANCED CATALYTIC SCIENCE AND TECHNOLOGY Jul.2002
EUROPA-CAT-V（Direct Formation of Acetaldehyde from Ethane with CO2 as an Oxidant over Oxidized Diamond-supported Vanadium Catalyst） Sep.2001
Pacifichem 2000（Dehydrogenation of ethane in the presence of carbon dioxide using oxidized diamond-supported catalysts） Dec.2000
Euro carbon 2000（Diamond as a new support material for the catalytic reactions） Jul.2000
EUROPA-CAT-IV（Transient response of catalyst bed temperature in the pulsed reaction of partial oxidation of methane to synthesis gas over supported noble metal catalysts） Sep.1999
6th Japan-China Symposium on Coal and C1 Chemistry Oct.1998
THE THIRD INTERNATIONAL CONFERENCE ON UNSTEADY-STATE PROCESSES IN CATALYSIS Jun.1998
The Electrochemical Society（Ultra-Fine Patterning of the N-doped CVD Diamond Films I. - N2 Addition in the Gas Phase for the Nano-fabrication –） Oct.2004
The Electrochemical Society（A liquid-phase synthesis of various carbon nanofilaments in liquid hydrocarbons） Oct.2004
The Electrochemical Society（Catalytic Synthesis of Carbon Nanotubes in the Organic Liquid） Oct.2004
The Electrochemical Society（Chemical Structure and Surface Potential of Nickel and Nickel-oxide Thin-film Surfaces Studied by High-resolution Monochromated X-ray Photoelectron Spectroscopy and Scannning Kelvin Force Microscopy） Oct.2004
The Electrochemical Society（Diamond-like Carbon Films and Carbon Nanomaterials Deposition from Organic Liquid Phase –） Apr.2003
The Electrochemical Society（Low Temperature Synthesis of Sulfur-Doped Nanocrystalline Diamond Films – ） Apr.2003
The Electrochemical Society（Stress Control of Hydrogenated Amorphous Silicon Nitride Films Deposited by Plasma-Enhanced Chemical Vapor Deposition –） Apr.2003
GSC TOKYO 2003（A Green Process for The Production of Carbon Nanotubes in Organic Liquid） Mar.2003
ISAM 2003（Simultaneous production of carbon nanomaterials and hydrogen for fuel cell systems） Mar.2003
THE FOURTH INTERNATIONAL TOKYO CONFERENCE ON　ADVANCED CATALYTIC SCIENCE AND TECHNOLOGY Jul.2002
EUROPA-CAT-V（Carbon Dioxide Promoted Dehydrogenation of Ethylbenzen over Vanadium Oxide Loaded-Magnesium Oxide Catalyst） Sep.2001
EUROPA-CAT-V（Conversion of methane to formaldehyde using carbon dioxide as an oxidant） Sep.2001
Pacifichem 2000（Partial oxidation and CO2 reforming of methane to synthesis gas over Ni-loaded oxidized diamond catalyst） Dec.2000
Pacifichem 2000（Oxidative conversion of ethane into acetaldehyde and acrolein over Cs/Fe/SiO2 and Cs/V/SiO2 catalyst） Dec.2000
EUROPA-CAT-IV（Alkylation of benzene with ethane over platinum-loaded H-ZSM5 catalyst） Sep.1999