Positive electrode plate and battery
US10930932B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Apr 12, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a positive electrode plate and a battery, the positive electrode plate comprises a positive current collector and a positive film, the positive film is provided on least one surface of the positive current collector and comprises a positive active material, the positive active material comprises a layered lithium-containing compound, and an OI value of the positive film represented by COI is less than or equal to 150. The positive electrode plate of the present disclosure has smaller swelling and excellent dynamics performance, and the battery of the present disclosure has high safety performance, excellent dynamics performance and long cycle life at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.