Patent · US Active

Lithium-ion secondary battery, battery module, battery pack, and power consumption apparatus

US11996515B2 · kind B2 · utility

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0References

17Claims

0Family size

Assignee

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED · CN

Inventors

Longfei Yang · 安丰镇, CN
Limei Yang · Zhangzhou, CN
Xiaomei Liu · Jiaocheng District, CN

Key dates

Filing date	Jun 21, 2023
Grant date	May 28, 2024
Priority date	—
Expiry date	Jun 21, 2043

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lithium-ion secondary battery includes a negative electrode sheet including a negative electrode current collector and a negative electrode film disposed on a surface of the negative electrode current collector and containing a negative active material, a positive electrode sheet including a positive electrode current collector and a positive electrode film disposed on a surface of the positive electrode current collector and containing a positive active material, and an electrolytic solution including lithium iodide, a lithium salt, a solvent, and an additive. A coating weight per unit area, CW1/S0, of the positive electrode film satisfies CW1/S0=((CW2/S0)×b×C2/CB−m×X×(199 mAh/g)/S)/(C1×a).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.