公开(公告)号：US11843148B2

公开(公告)日：2023-12-12

申请号：US17591826

申请日：2022-02-03

Applicant: TOPPAN INC.

Inventor： Hiroyuki Morioka

IPC: H01M8/1004 ,  H01M4/88 ,  H01M4/90 ,  H01M8/10

CPC classification number: H01M8/1004 ,  H01M4/881 ,  H01M4/9016 ,  H01M2008/1095

Abstract: A fuel cell membrane electrode assembly includes a polymer electrolyte membrane and a pair of electrocatalyst layers arranged to have the polymer electrolyte membrane therebetween, at least one of the pair of electrocatalyst layers includes particles supporting a catalyst which is composed of a noble metal component, a polymer electrolyte, and a fibrous oxide-based catalytic material, and the fibrous oxide-based catalytic material includes at least one transition metal element selected from a group consisting of Ta, Nb, Ti, and Zr.