Non-aqueous electrolyte secondary battery
US12341187B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2020 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Mar 16, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nonaqueous electrolyte secondary battery comprises a positive electrode that contains, as positive electrode active materials: (A) a lithium transition metal composite oxide that has a volume-based D50 of 0.6 μm to 3 μm and that consists of secondary particles comprising aggregated primary particles with an average particle diameter of 0.5 μm or more or is configured of substantially one kind of particle; and (B) a lithium transition metal composite oxide that has a volume-based D50 of 6 μm to 25 μm and that consists of secondary particles, comprising aggregated primary particles with an average particle diameter of 0.3 μm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.