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Masayuki Chokai

Tokyo Institute of Technology

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Publication

Featured researches published by Masayuki Chokai.

Journal of Materials Chemistry | 2014

High performance Pt-free cathode catalysts for polymer electrolyte membrane fuel cells prepared from widely available chemicals

Yuta Nabae; Yongbo Kuang; Masayuki Chokai; Takeo Ichihara; Ayano Isoda; Teruaki Hayakawa; Tsutomu Aoki

A high performance Pt-free cathode catalyst for polymer electrolyte fuel cells has been synthesized by the multi-step pyrolysis of polyimide fine particles with a diameter of about 100 nm. This cathode catalyst exhibits good fuel cell performance (1.0 A cm−2 at 0.6 V and 80 °C) along with promising durability.

Journal of Power Sources | 2010

Preparation of carbon alloy catalysts for polymer electrolyte fuel cells from nitrogen-containing rigid-rod polymers

Masayuki Chokai; Masataka Taniguchi; Shogo Moriya; Katsuyuki Matsubayashi; Tsuyoshi Shinoda; Yuta Nabae; Shigeki Kuroki; Teruaki Hayakawa; Masa-aki Kakimoto; Jun-ichi Ozaki; Seizo Miyata

Carbon | 2012

Oxygen reduction activity of pyrolyzed polypyrroles studied by 15N solid-state NMR and XPS with principal component analysis

Shigeki Kuroki; Yuta Nabae; Masayuki Chokai; Masa-aki Kakimoto; Seizo Miyata

Electrochimica Acta | 2012

Study on the oxygen adsorption property of nitrogen-containing metal-free carbon-based cathode catalysts for oxygen reduction reaction

Hisao Kiuchi; Hideharu Niwa; Masaki Kobayashi; Yoshihisa Harada; Masaharu Oshima; Masayuki Chokai; Yuta Nabae; Shigeki Kuroki; Masa-aki Kakimoto; Takashi Ikeda; Kiyoyuki Terakura; Seizo Miyata

Archive | 2012

PARTICULATE CARBON CATALYST AND METHOD FOR PRODUCING SAME

Masayuki Chokai; Nobuaki Kido; Yuta Nabae; Masa-aki Kakimoto; Seizo Miyata

Journal of Photopolymer Science and Technology | 2011

Preparation of Carbon-Based Catalysts for PEFC from Nitrogen-Containing Aromatic Polymers

Masayuki Chokai; Yuta Nabae; Shigeki Kuroki; Teruaki Hayakawa; Masa-aki Kakimoto; Seizo Miyata

Journal of Photopolymer Science and Technology | 2010

Preparation of Carbon Alloy Catalysts from a Polyhydroxyamide with Iron Phthalocyanine via a Poly-biphenylenebisoxazole Composite

Masayuki Chokai; Masataka Taniguchi; Shogo Moriya; Katsuyuki Matsubayashi; Tsuyoshi Shinoda; Yuta Nabae; Shigeki Kuroki; Teruaki Hayakawa; Masa-aki Kakimoto; Jun-ichi Ozaki; Seizo Miyata

Archive | 2008

Polybenzazoles and polybenzazole precursors

Anton Peter De Weijer; Masayuki Chokai; Hiroaki Kuwahara; Dennis Wilbers

2014 ECS and SMEQ Joint International Meeting (October 5-9, 2014) | 2014

Development of Pt-Free Carbon-Based Catalyst for PEFC Cathode Prepared from Polyacrylonitrile

Masayuki Chokai; Takahiro Daidou; Yuta Nabae

Polymer Journal | 2009

Development of a Highly Oriented Poly-biphenylenebisoxazole Fiber Obtained via a Precursor Polymer Spun From a Liquid Crystalline Aqueous Solution

Masayuki Chokai; Dennis Wilbers; Bunsow Nagasaka; Hiroaki Kuwahara; Ton de Weijer; Enno Klop; Teruaki Hayakawa; Masa-aki Kakimoto

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Collaboration

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Yuta Nabae

Tokyo Institute of Technology

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Masa-aki Kakimoto

Tokyo Institute of Technology

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Seizo Miyata

Tokyo University of Agriculture and Technology

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Shigeki Kuroki

Tokyo Institute of Technology

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Teruaki Hayakawa

Tokyo Institute of Technology

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Hiroaki Kuwahara

Teijin

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Dennis Wilbers

Teijin

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Jun-ichi Ozaki

Gunma University

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Katsuyuki Matsubayashi

Tokyo Institute of Technology

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Libin Wu

Tokyo Institute of Technology

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