Lithium ion electrolyte, preparation method and application thereof
US11881557B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2023 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | May 22, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium ion electrolyte, a preparation method and application thereof are provided. The lithium ion electrolyte includes: an ester solvent, a lithium salt and an electrolyte additive, where the electrolyte additive includes a compound as shown in the following formula I. According to the electrolyte provided by the present disclosure, all components have a synergistic effect and are matched with one another, so that the electrolyte can improve the interface stability of a high-nickel positive electrode material and prolong the cycle life of a lithium ion battery and a lithium ion capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.