Title:
BINDER FOR POWER STORAGE DEVICE, BINDER-CONTAINING COMPOSITION, ELECTRODE MIXTURE FOR POWER STORAGE DEVICE, ELECTRODE FOR POWER STORAGE DEVICE, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/202920
Kind Code:
A1
Abstract:
Provided are a secondary battery having an excellent charge-discharge cycle characteristic (capacity retention rate) and discharge rate characteristic (discharge capacity ratio), and a binder for a power storage device, an electrode mixture for a power storage device, and an electrode for a power storage device for obtaining the secondary battery. The binder for a power storage device contains a fluorine-containing copolymer that has a unit based on tetrafluoroethylene or chlorotrifluoroethylene and a unit based on ethylene, hexafluoropropylene, or a perfluoro(alky vinyl ether), that substantially does not have a unit based on vinylidene fluoride, and that has an adhesive functional group capable of reacting with a hydroxyl group or capable of forming a hydrogen bond.
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Inventors:
WADA SHINJI (JP)
Application Number:
PCT/JP2022/013644
Publication Date:
September 29, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
H01M4/02; H01G11/38; H01M4/04; H01M4/13; H01M4/139; H01M4/62
Domestic Patent References:
| WO2019031521A1 | 2019-02-14 | |||
| WO2021246306A1 | 2021-12-09 |
Foreign References:
| JP2016054134A | 2016-04-14 | |||
| JP2020111696A | 2020-07-27 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
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