Addressing the detrimental effect of CeO2 radical scavenger on the durability of polymer electrolyte membrane fuel cells

Seongmin Yuk,Jinkwan Jung,Kah-Young Song,Dong Wook Lee,Dong-Hyun Lee,Sungyu Choi,Gisu Doo,Jonghyun Hyun,Jiyun Kwen,Jun Young Kim,Hee-Tak Kim

Chemical Engineering Journal（2023）

引用 5|浏览10

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摘要

•Carbon nitride protective layer successfully suppresses Ce ion dissolution from CeO2.•Carbon nitride can mediate the hydroxyl radical scavenging reaction.•C2N coated CeO2 prevents OCV and performance decay of MEA during OCV holding test.•Postmortem analysis substantiates C2N layer restrains catalyst degradation by Ce ion.

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关键词

C2N protective layer,CeO2 radical scavenger,C2N-mediated electron transfer

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