- Patent Title: Binder for non-aqueous electrolyte rechargeable battery, negative electrode slurry for rechargeable battery including the same, negative electrode for rechargeable battery including the same, and rechargeable battery including the same
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Application No.: US16857809Application Date: 2020-04-24
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Publication No.: US11575133B2Publication Date: 2023-02-07
- Inventor: Tomoyuki Fukatani , Koji Hoshiba , Iwao Fukuchi
- Applicant: Samsung SDI Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: JPJP2019-086616 20190426,KR10-2020-0049592 20200423
- Main IPC: H01M4/62
- IPC: H01M4/62 ; C08F220/48 ; C08L25/14 ; C08L33/02 ; C08L33/20 ; H01M4/131 ; H01M4/38 ; H01M10/0525 ; H01M4/02
Abstract:
An embodiment provides a binder for a non-aqueous electrolyte rechargeable battery including a copolymer (A) and a copolymer (B), wherein the copolymer (A) includes a unit (a-1) derived from a (meth)acrylic acid-based monomer, and a unit (a-2) derived from a (meth)acrylonitrile monomer, and the copolymer (B) includes a unit (b-1) derived from an aromatic vinyl-based monomer; and a unit (b-2) derived from an ethylenic unsaturated monomer which is at least one of an unsaturated carboxylic acid alkylester monomer, a (meth)acrylic acid-based monomer, a unsaturated carboxylic acid amide monomer, or combinations thereof.
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