- 专利标题: Micropore-filled double-sided membrane for low vanadium ion permeability and method for manufacturing same
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申请号: US17057682申请日: 2019-04-29
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公开(公告)号: US11607680B2公开(公告)日: 2023-03-21
- 发明人: Young Woo Choi , Mi Soon Lee , Young Gi Yoon , Tae Young Kim , Min Ho Seo , Beom Jun Kim , Chi Young Jung , Jong Min Lee
- 申请人: TORAY ADVANCED MATERIALS KOREA INC.
- 申请人地址: KR Gyeongsangbuk-do
- 专利权人: TORAY ADVANCED MATERIALS KOREA INC.
- 当前专利权人: TORAY ADVANCED MATERIALS KOREA INC.
- 当前专利权人地址: KR Gyeongsangbuk-do
- 代理机构: Snell & Wilmer L.L.P.
- 优先权: KR10-2018-0059292 20180524
- 国际申请: PCT/KR2019/005137 WO 20190429
- 国际公布: WO2019/225873 WO 20191128
- 主分类号: H01M8/18
- IPC分类号: H01M8/18 ; B01J43/00 ; H01M50/497 ; H01M50/414 ; H01M50/403 ; H01M8/1032 ; H01M8/1058 ; H01M8/1072
摘要:
Disclosed are a micropore-filled amphoteric membrane for low vanadium ion permeability, a method of manufacturing the same, and a vanadium redox flow battery including the amphoteric membrane. The micropore-filled amphoteric membrane for low vanadium ion permeability minimizes crossover of vanadium ions, which occurs between a catholyte and an anolyte in a redox flow battery, and has low membrane resistance and thus has remarkably improved performance as compared to commercially available ion-exchange membranes such as Nafion, and accordingly, can be effectively used in the manufacture of a redox flow battery. In addition, the micropore-filled amphoteric membrane is continuously manufactured through a roll-to-roll process, and thus the manufacturing process is simple and manufacturing costs can be greatly reduced.
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