Title:
POSITIVE ELECTRODE ACTIVE MATERIAL LAYER, ELECTRODE, AND SOLID-STATE BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/019115
Kind Code:
A1
Abstract:
Provided are: a positive electrode active material layer capable of forming an all-solid-state battery having excellent cycle characteristics; an electrode comprising said positive electrode active material layer; and a semi-solid-state or all-solid-state battery comprising said electrode. The positive electrode active material layer contains a positive electrode active material (A), a solid electrolyte (B), and a binder (C), wherein the binder (C) contains a vinylidene fluoride copolymer which is a copolymer of vinylidene fluoride and hexafluoropropylene, or a copolymer of vinylidene fluoride and chlorotrifluoroethylene, and the vinylidene fluoride copolymer contains 83.0-97.0 mass% of a constituent unit derived from vinylidene fluoride on the basis of 100 mass% of the total constituent units.
Inventors:
SUZUKI YUMENO (JP)
WATANABE KEISUKE (JP)
OKADA KAYOKO (JP)
WATANABE KEISUKE (JP)
OKADA KAYOKO (JP)
Application Number:
PCT/JP2023/026598
Publication Date:
January 25, 2024
Filing Date:
July 20, 2023
Export Citation:
Assignee:
KUREHA CORP (JP)
International Classes:
H01M4/13; H01M4/58; H01M4/62; H01M10/052; H01M10/0562
Domestic Patent References:
| WO2021100362A1 | 2021-05-27 |
Foreign References:
| JP2016025027A | 2016-02-08 | |||
| JPH11312536A | 1999-11-09 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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