公开(公告)号：US11973250B2

公开(公告)日：2024-04-30

申请号：US17407610

申请日：2021-08-20

申请人： Toyota Motor Engineering & Manufacturing North America, Inc.

发明人： Liang Wang ,  Hongfei Jia ,  Naoki Nakamura

IPC分类号： H01M8/1004 ,  H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  H01M4/92 ,  H01M50/497

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/8657 ,  H01M4/8807 ,  H01M4/9033 ,  H01M4/921 ,  H01M50/497

摘要： Disclosed herein are membrane-electrode assemblies and fuel cells comprising an anode comprising a first catalyst; a cathode comprising a second catalyst; and a proton exchange membrane between the anode and cathode; wherein at least one of the proton exchange membrane, anode, and cathode comprise an antioxidant comprising yttrium doped cerium oxide and a metal doped cerium oxide that has a faster release time of cerium ions compared to yttrium doped cerium oxide.

公开(公告)号：US20230056498A1

公开(公告)日：2023-02-23

申请号：US17407610

申请日：2021-08-20

申请人： Toyota Motor Engineering & Manufacturing North America, Inc.

发明人： Liang Wang ,  Hongfei Jia ,  Naoki Nakamura

IPC分类号： H01M8/1004 ,  H01M4/88 ,  H01M4/86 ,  H01M4/90 ,  H01M4/92 ,  H01M50/497

摘要： Disclosed herein are membrane-electrode assemblies and fuel cells comprising an anode comprising a first catalyst; a cathode comprising a second catalyst; and a proton exchange membrane between the anode and cathode; wherein at least one of the proton exchange membrane, anode, and cathode comprise an antioxidant comprising yttrium doped cerium oxide and a metal doped cerium oxide that has a faster release time of cerium ions compared to yttrium doped cerium oxide.