Electrolyte, additive thereof, secondary cell, and application thereof
US12107223B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2019 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Oct 27, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an electrolyte, an additive thereof, a secondary cell, and an application thereof. An organic electrolyte according to a first aspect of the invention comprises a salt, a phosphate ester and a fluoroether, and does not comprise a carbonate ester. The salt is a lithium salt or a sodium salt. The electrolyte according to a second aspect of the invention comprises a base electrolyte and an additive. The base electrolyte comprises a sodium salt and a flame retardant solvent. The flame retardant solvent comprises a phosphate ester and a fluoroether. The additive comprises a fluorine-containing additive. The electrolyte and the secondary cell of the present invention increase safety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.