Electrolyte for lithium-ion battery, lithium-ion battery, battery module, battery pack, and apparatus
US12315880B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2022 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Sep 11, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This application provides an electrolyte for lithium-ion battery, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The electrolyte includes an organic solvent, an electrolytic lithium salt dissolved in the organic solvent, and additives, where the additives include a first additive and a second additive. The first additive includes an alkenyl dioxaborolane compound represented by formula I or formula II, and the second additive includes phosphoric acid cyclic anhydride represented by formula III. After the electrolyte of this application is applied to a lithium-ion battery, the lithium-ion battery can, at high voltage, have a good high-temperature cycling performance and high-temperature storage performance, a low direct current resistance, as well as good high-voltage characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.