- Patent Title: Polyimide-based binder for power storage device, electrode mixture paste, negative electrode active material layer, negative electrode sheet for power storage device, and power storage device
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Application No.: US17593595Application Date: 2020-03-27
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Publication No.: US12176543B2Publication Date: 2024-12-24
- Inventor: Takeshige Nakayama , Kazutaka Narita
- Applicant: UBE Corporation
- Applicant Address: JP Ube
- Assignee: UBE Corporation
- Current Assignee: UBE Corporation
- Current Assignee Address: JP Ube
- Agency: KNOBBE, MARTENS, OLSON & BEAR LLP
- Priority: JP2019-060045 20190327
- International Application: PCT/JP2020/013886 WO 20200327
- International Announcement: WO2020/196805 WO 20201001
- Main IPC: H01M4/62
- IPC: H01M4/62 ; C08G73/10 ; H01M4/02

Abstract:
A polyimide-based binder for power storage device having a repeated breaking energy retention ratio of 70% or more. The use of the binder enables improvement of a power storage device having a high capacity.
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