The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2024
Filed:
Oct. 17, 2023
Shenzhen Hithium Energy Storage Technology Co., Ltd., Shenzhen, CN;
Xiamen Hithium Energy Storage Technology Co., Ltd., Fujian, CN;
Jinqiang Chen, Fujian, CN;
SHENZHEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD., Shenzhen, CN;
XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD., Fujian, CN;
Abstract
The present disclosure relates to an energy storage device and an electrical equipment. The energy storage device includes a housing, a jellyroll, a connecting sheet, and a top cover. The jellyroll is provided with a tab, and the connecting sheet includes a side wing part. The energy storage device includes a welding structure composed of the tab and the side wing part. A tab sheet farthest from the side wing part in the tab sheets included by the tab is a first tab sheet, the welding structure forms a welding area on the first tab sheet. An area of the welding area is S, an area of the side wing part is S, and a projection area of the first tab sheet on a plane where the side wing part is located is S, wherein 0.4≤S/S≤0.8, 0.14≤S/S≤0.28.