Patent · US Active

End cover assembly, battery cell, battery module and device

US11715867B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED · CN

Inventors

Ningsheng WU · Jiaocheng District, CN
Chengyou Xing · Jiaocheng District, CN
Yuanbao Chen · 红钢城街道, CN
Peng Wang · Fujian, CN
Quankun Li · Jiaocheng District, CN

Key dates

Filing date	Dec 7, 2020
Grant date	Aug 1, 2023
Priority date	—
Expiry date	Dec 7, 2040

Classification

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

Abstract

The embodiments of the application provides an end cover assembly, a battery cell, a battery module and a device, the end cover assembly is used for the battery cell, the end cover assembly includes an end cover; an electrode terminal disposed on the end cover; an insulating member for insulating the electrode terminal and the end cover and disposed to surround the electrode terminal; wherein the insulating member abuts the electrode terminal, at least one of the insulating member and the electrode terminal is provided with a stress relief groove, the stress relief groove is configured to absorb stress generated by the electrode terminal's abutting the insulating member.

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