Nonaqueous electrolyte compositions for lithium-ion battery
US12068457B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2021 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Feb 3, 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 a lithium-ion battery, a battery module, a battery pack, and an apparatus. The lithium-ion battery includes a positive electrode plate, a negative electrode plate, a separator, and a nonaqueous electrolyte. The positive electrode plate includes Li1+xNiaCobMe(1−a−b)O2−cYc, where −0.1≤x≤0.2, 0.8≤a<1, 0<b<1, 0<(1-a-b)<1, 0≤c<1, Me is selected from one or more of Mn, Al, Mg, Zn, Ga, Ba, Fe, Cr, Sn, V, Sc, Ti, and Zr, and Y is selected from one or more of F, Cl, and Br. The nonaqueous electrolyte includes a nonaqueous solvent and a lithium salt, where the nonaqueous solvent includes a carbonate solvent and a high oxidation potential solvent, and the high oxidation potential solvent is selected from one or more of compounds represented by formula I and formula II.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.