Positive electrode for solid-state batteries, solid-state battery and method for producing solid-state battery
US11791452B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2018 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Nov 26, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are: a positive electrode for solid-state batteries, which enables the achievement of high energy density, rate characteristics and durability; a solid-state battery; and a method for producing a solid-state battery.A positive electrode for solid-state batteries, which is provided with a collector and a positive electrode active material layer that contains a positive electrode active material, and which is configured such that: the ratio of the positive electrode active material, which is composed of primary particles, in the positive electrode active material layer is 60% by mass or more; the void fraction in the positive electrode active material layer is less than 20% by volume; and portions of the positive electrode active material layer other than the positive electrode active material, which is composed of primary particles, contain a solid electrolyte. The present invention also provides: a solid-state battery which comprises this positive electrode for solid-state batteries; and a method for producing this solid-state battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.