公开(公告)号：US20210005899A1

公开(公告)日：2021-01-07

申请号：US17028009

申请日：2020-09-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kosuke YAMAUCHI ,  Takehito GOTO ,  Tomoya KAMATA ,  Yuichi MIKAMI ,  Tomohiro KUROHA ,  Atsuo OKAICHI ,  Yoichiro TSUJI ,  Yuji OKUYAMA

IPC: H01M4/90 ,  C01G25/00 ,  H01M8/1226 ,  C01F11/00 ,  H01M4/86 ,  H01M8/1213 ,  H01M8/1246 ,  G01N27/407 ,  H01M8/0612 ,  H01M8/1253

Abstract: A membrane electrode assembly of an electrochemical device includes a proton conductive solid electrolyte membrane and an electrode including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr1-x1M1x1O3 (M1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0