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1. (WO2018139286) FUEL CELL CATALYST LAYER AND ELECTROLYTE FILM–ELECTRODE ASSEMBLY

Pub. No.:    WO/2018/139286    International Application No.:    PCT/JP2018/001100
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Thu Jan 18 00:59:59 CET 2018
IPC: H01M 4/86
H01M 8/10
Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
パナソニックIPマネジメント株式会社
Inventors: KOBAYASHI Toru
小林 亨
Title: FUEL CELL CATALYST LAYER AND ELECTROLYTE FILM–ELECTRODE ASSEMBLY
Abstract:
Provided is a cathode catalyst layer (10) including a catalyst member (14) comprising a catalyst-supporting carbon (12) that supports a platinum catalyst (11) and a first ionomer (13) that coves this catalyst-supporting carbon (12). Moreover, the cathode catalyst layer (10) is provided with a proton-conducting member (17) that comprises fine particles (15) that do not support the catalyst and a second ionomer (16) that covers these fine particles (15). The catalyst member (14) and the proton-conducting member (17) are intermingled, and the average particle diameter of the fine particles (15) is less than the average particle diameter of the catalyst-supporting carbon (12).