Patent · US Active

Preparation method of current collector assembly, current collector assembly, battery cell, and battery pack

US12362440B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

HITHIUM TECH HK LIMITED · CN

Inventors

Long Zhou · Shanghai, CN
Congmiao WU · Jiaocheng District, CN
Min Guo · Fremont, US
Jinhua LAN · Guilin, CN

Key dates

Filing date	Jul 14, 2022
Grant date	Jul 15, 2025
Priority date	—
Expiry date	Jan 14, 2044

Classification

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

Abstract

Provided are a preparation method of a current collector assembly, a current collector assembly, a battery cell, and a battery pack. The preparation method of the current collector assembly includes: abutting the at least one of the connection plate or the protection plate having the protrusion against the plurality of tabs; generating a high-frequency vibration between the at least one of the connection plate or the protection plate having the protrusion and the plurality of tabs; and piercing the plurality of tabs sequentially by the protrusion through the high-frequency vibration. A vibration frequency of the high-frequency vibration ranges from 15 KHz to 40 KHz.

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