公开(公告)号：US11075373B2

公开(公告)日：2021-07-27

申请号：US15787149

申请日：2017-10-18

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Dongjin Lee ,  Joonseon Jeong ,  Chansu Kim ,  Yooseong Yang ,  Taehwan Yu

IPC: H01M4/136 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/134 ,  C01D15/00 ,  C08G63/06 ,  G01N23/20 ,  H01M4/02

Abstract: A positive electrode for a metal secondary battery includes a positive current collector; and a positive active material layer disposed on the positive current collector, wherein the positive active material layer includes: a positive active material, a salt including an alkali metal salt, an alkaline earth metal salts, or a combination thereof, and a polymeric first binder including a repeating unit represented by Formula 1 wherein R is a substituted or unsubstituted C2-C5 alkylene group, a substituted or unsubstituted C2-C6 alkoxylene group, a substituted or unsubstituted C2-C6 alkoxycarbonylene group, a substituted or unsubstituted C2-C6 alkylene oxide group, or a combination thereof, and n is an integer from 90 to 2,700. Also a metal secondary battery including the same.

公开(公告)号：US20180114976A1

公开(公告)日：2018-04-26

申请号：US15787149

申请日：2017-10-18

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Dongjin Lee ,  Joonseon Jeong ,  Chansu Kim ,  Yooseong Yang ,  Taehwan Yu

IPC: H01M4/136 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/136 ,  C01D15/00 ,  C08G63/06 ,  G01N23/20075 ,  H01M4/134 ,  H01M4/622 ,  H01M10/0525 ,  H01M2004/028

Abstract: A positive electrode for a metal secondary battery includes a positive current collector; and a positive active material layer disposed on the positive current collector, wherein the positive active material layer includes: a positive active material, a salt including an alkali metal salt, an alkaline earth metal salts, or a combination thereof, and a polymeric first binder including a repeating unit represented by Formula 1 wherein R is a substituted or unsubstituted C2-C5 alkylene group, a substituted or unsubstituted C2-C6 alkoxylene group, a substituted or unsubstituted C2-C6 alkoxycarbonylene group, a substituted or unsubstituted C2-C6 alkylene oxide group, or a combination thereof, and n is an integer from 90 to 2,700. Also a metal secondary battery including the same.