Binder composition for secondary battery
US12160002B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 25, 2020 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Feb 4, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aqueous binder composition for a secondary battery electrode is provided, comprising a copolymer and a dispersion medium, wherein the copolymer comprises a structural unit (a) derived from a carboxylic acid group-containing monomer, a structural unit (b) derived from an amide group-containing monomer and a structural unit (c) derived from a nitrile group-containing monomer, with an improved binding capability. In addition, battery cells comprising the cathode prepared using the binder composition disclosed herein exhibits exceptional electrochemical performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.