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Title:
ELECTRODE CATALYST FOR FUEL CELL, AND FUEL CELL USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/177060
Kind Code:
A1
Abstract:
An objective of the present invention is to provide: an electrode catalyst for a fuel cell, the electrode catalyst having high initial activity and being capable of long-term retention of said activity; and a fuel cell using the electrode catalyst for a fuel cell. The present invention pertains to: an electrode catalyst for a fuel cell, the electrode catalyst comprising catalyst metal particles that include platinum or a platinum alloy, and carrier particles that carry said catalyst metal particles, wherein the carrier particles are a carbonaceous material having a cumulative pore volume of 0.10cc/g or less in the diameter range of 2nm or less, and a BET specific surface area of greater than 900m2/g; and a fuel cell comprising the electrode catalyst for a fuel cell.

Inventors:
KATAOKA, Mikihiro (7800 Chihama, Kakegawa-sh, Shizuoka 92, 〒4371492, JP)
HORIAI, Kotaro (7800 Chihama, Kakegawa-sh, Shizuoka 92, 〒4371492, JP)
TERADA, Tomoaki (7800 Chihama, Kakegawa-sh, Shizuoka 92, 〒4371492, JP)
ITOH, Yusuke (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
HORI, Mikihiro (1 Toyotacho, Toyota-sh, Aichi 71, 〒4718571, JP)
Application Number:
JP2019/010387
Publication Date:
September 19, 2019
Filing Date:
March 13, 2019
Export Citation:
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Assignee:
CATALER CORPORATION (7800, Chihama Kakegawa-sh, Shizuoka 92, 〒4371492, JP)
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyotacho, Toyota-shi Aichi, 71, 〒4718571, JP)
International Classes:
H01M4/96; B01J23/89; B01J35/10; H01M4/90; H01M4/92; H01M8/10
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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