Lithium-ion battery
US11502328B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2019 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Apr 20, 2040 |
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 lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive active material comprises a layered lithium-containing compound, the negative active material comprises graphite, the positive film and the negative film satisfy a relationship 0.3≤(OIc×PDc)/(OIa×PDa)≤20.0. The present disclosure can make the lithium-ion battery have smaller swelling and higher charging capability, and also make the lithium-ion battery have excellent cycle life and excellent safety performance during the long-term fast charging process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.