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Journal Articles

Structure of active sites of Fe-N-C nano-catalysts for alkaline exchange membrane fuel cells

Kishi, Hirofumi*; Sakamoto, Tomokazu*; Asazawa, Koichiro*; Yamaguchi, Susumu*; Kato, Takeshi*; Zulevi, B.*; Serov, A.*; Artyushkova, K.*; Atanassov, P.*; Matsumura, Daiju; et al.

Nanomaterials (Internet), 8(12), p.965_1 - 965_13, 2018/12

 Times Cited Count:10 Percentile:49.61(Chemistry, Multidisciplinary)

Journal Articles

Study of catalytic reaction at electrode-electrolyte interfaces by a CV-XAFS method

Kusano, Shogo*; Matsumura, Daiju; Asazawa, Koichiro*; Kishi, Hirofumi*; Sakamoto, Tomokazu*; Yamaguchi, Susumu*; Tanaka, Hirohisa*; Mizuki, Junichiro*

Journal of Electronic Materials, 46(6), p.3634 - 3638, 2017/06

 Times Cited Count:3 Percentile:19.95(Engineering, Electrical & Electronic)

Journal Articles

NiO/Nb$$_{2}$$O$$_{5}$$/C hydrazine electrooxidation catalysts for anion exchange membrane fuel cells

Sakamoto, Tomokazu*; Masuda, Teruyuki*; Yoshimoto, Koji*; Kishi, Hirofumi*; Yamaguchi, Susumu*; Matsumura, Daiju; Tamura, Kazuhisa; Hori, Akihiro*; Horiuchi, Yosuke*; Serov, A.*; et al.

Journal of the Electrochemical Society, 164(4), p.F229 - F234, 2017/01

 Times Cited Count:12 Percentile:40.97(Electrochemistry)

Journal Articles

Mechanism study of hydrazine electrooxidation reaction on nickel oxide surface in alkaline electrolyte by in situ XAFS

Sakamoto, Tomokazu*; Kishi, Hirofumi*; Yamaguchi, Susumu*; Matsumura, Daiju; Tamura, Kazuhisa; Hori, Akihiro*; Horiuchi, Yosuke*; Serov, A.*; Artyushkova, K.*; Atanassov, P.*; et al.

Journal of the Electrochemical Society, 163(10), p.H951 - H957, 2016/08

 Times Cited Count:28 Percentile:76.71(Electrochemistry)

Journal Articles

Development of non-PGM catalysts for anion exchange membrane fuel cells

Sakamoto, Tomokazu*; Kishi, Hirofumi*; Yamaguchi, Susumu*; Tanaka, Hirohisa*; Matsumura, Daiju; Tamura, Kazuhisa; Nishihata, Yasuo

Hyomen Kagaku, 37(2), p.78 - 83, 2016/02

We have developed direct liquid fuel anion exchange membrane fuel cell vehicles to deal with the global warming. Non-platinum group metals (PGM) catalyst has been researched to apply for both anode and cathode electrodes. A test driving was carried out for the fuel cell vehicle equipped with no precious metals as catalysts at SPring-8 in 2013. Here we introduce our results of advanced analysis for reaction mechanism and active site of non-PGM catalyst using synchrotron radiation X-rays at SPring-8.

Journal Articles

Towards optimizing the performance of self-regenerating Pt-based perovskite catalysts

Jarrige, I.*; Ishii, Kenji; Matsumura, Daiju; Nishihata, Yasuo; Yoshida, Masahiro*; Kishi, Hirofumi*; Taniguchi, Masashi*; Uenishi, Mari*; Tanaka, Hirohisa*; Kasai, Hideaki*; et al.

ACS Catalysis, 5(2), p.1112 - 1118, 2015/02

 Times Cited Count:16 Percentile:44.2(Chemistry, Physical)

Journal Articles

In situ XAFS and HAXPES analysis and theoretical study of cobalt polypyrrole incorporated on carbon (CoPPyC) oxygen reduction reaction catalysts for anion-exchange membrane fuel cells

Asazawa, Koichiro*; Kishi, Hirofumi*; Tanaka, Hirohisa*; Matsumura, Daiju; Tamura, Kazuhisa; Nishihata, Yasuo; Saputro, A. G.*; Nakanishi, Hiroshi*; Kasai, Hideaki*; Artyushkova, K.*; et al.

Journal of Physical Chemistry C, 118(44), p.25480 - 25486, 2014/11

 Times Cited Count:15 Percentile:45.08(Chemistry, Physical)

Journal Articles

A Theoretical study of the reactivity of Cu$$_{2}$$O(111) surfaces; The Case of NO dissociation

Kishi, Hirofumi*; Padama, A. A. B.*; Arevalo, R. L.*; Moreno, J. L. V.*; Kasai, Hideaki*; Taniguchi, Masashi*; Uenishi, Mari*; Tanaka, Hirohisa*; Nishihata, Yasuo

Journal of Physics; Condensed Matter, 24(26), p.262001_1 - 262001_5, 2012/07

 Times Cited Count:9 Percentile:38.45(Physics, Condensed Matter)

no abstracts in English

Journal Articles

NO dissociation on Cu(111) and Cu$$_{2}$$O(111) surfaces; A Density functional theory based study

Padama, A. A. B.*; Kishi, Hirofumi*; Arevalo, R. L.*; Moreno, J. L. V.*; Kasai, Hideaki*; Taniguchi, Masashi*; Uenishi, Mari*; Tanaka, Hirohisa*; Nishihata, Yasuo

Journal of Physics; Condensed Matter, 24(17), p.175005_1 - 175005_6, 2012/05

 Times Cited Count:38 Percentile:78.65(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Design of pencil beam formation system for high-accuracy carbon-ion microsurgery

Arakawa, Kazuo; Oikawa, Masakazu*; Shimada, Hirofumi*; Kamiya, Tomihiro; Nakano, Takashi*; Yusa, Ken*; Kato, Hiroyuki*; Sato, Takahiro; Agematsu, Takashi; Kashiwagi, Hirotsugu; et al.

Proceedings of 4th Annual Meeting of Particle Accelerator Society of Japan and 32nd Linear Accelerator Meeting in Japan (CD-ROM), p.279 - 281, 2007/00

no abstracts in English

Oral presentation

Micro-ion-beam applications to life science

Fukuda, Mitsuhiro; Arakawa, Kazuo; Sato, Takahiro; Okumura, Susumu; Saito, Yuichi; Kashiwagi, Hirotsugu; Miyawaki, Nobumasa; Yuri, Yosuke; Ishii, Yasuyuki; Kobayashi, Yasuhiko; et al.

no journal, , 

no abstracts in English

Oral presentation

High-precision carbon-ion microsurgery system for the least invasive treatments of various tumors

Arakawa, Kazuo; Fukuda, Mitsuhiro*; Shimada, Hirofumi*; Sakai, Takuro; Sato, Takahiro; Oikawa, Masakazu*; Agematsu, Takashi; Kashiwagi, Hirotsugu; Okumura, Susumu; Kurashima, Satoshi; et al.

no journal, , 

no abstracts in English

Oral presentation

Study of high accuracy heavy-ion microsurgery therapy for Age-related Macular Degeneration (AMD)

Shimada, Hirofumi*; Oikawa, Masakazu*; Sato, Takahiro; Taguchi, Mitsumasa; Okumura, Susumu; Kato, Hiroyuki*; Yusa, Ken*; Sakai, Takuro; Fukuda, Mitsuhiro*; Sato, Taku*; et al.

no journal, , 

no abstracts in English

13 (Records 1-13 displayed on this page)
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