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公开(公告)号:US20230178782A1
公开(公告)日:2023-06-08
申请号:US17996931
申请日:2021-11-05
Applicant: KOLON INDUSTRIES, INC.
Inventor: Junghwa PARK , Dong-Hoon LEE , Nayoung KIM , Eunsu LEE , Changhoon OH , Hyesong LEE
IPC: H01M8/1048 , H01M8/1069 , H01M8/1086 , H01M8/1067 , H01M8/1051
CPC classification number: H01M8/1048 , H01M8/1083 , H01M8/1086 , H01M8/1067 , H01M8/1051 , H01M2008/1095
Abstract: Disclosed are a polymer electrolyte membrane having both high ion conductivity and excellent chemical durability, a manufacturing method therefor, and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises an electrolyte composition, the electrolyte composition containing: an ion conductor; and a radical scavenger, wherein the radical scavenger comprises an organic cyclic compound having at least one functional group selected from the group consisting of a hydroxyl group (—OH), an amine group (—NH2), a carboxyl group (—COOH), and an amide group (—CONH2).