Lithium-ion battery, battery module, battery pack, and electrical device
US12424618B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Mar 13, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This application provides a lithium-ion battery, including: an electrode assembly and an electrolytic solution.The lithium-ion battery may satisfy the following condition: 0.6≤α≤0.9, and 4≤w×α/β1≤25,where, α=La/Lc, La is an arc length of a convex surface of the negative current collector corresponding to a concave surface of an innermost first circle of positive electrode in a jelly-roll structure of the electrode assembly, Lc is an arc length of a concave surface of an innermost first circle of positive current collector in the jelly-roll structure of the electrode assembly, and La and Lc are measured in mm; w is a percent of the first lithium salt LixR1(SO2N)xSO2R2 by mass in the electrolytic solution; and β1 is a thickness of the metallic conductive layer in the positive current collector, measured in μM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.