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. 26, 2019
Filed:
Jul. 14, 2017
Dongguan Amperex Technology Limited, Dongguan, CN;
Kefei Wang, Dongguan, CN;
Qiao Zeng, Dongguan, CN;
Qingfeng Yuan, Dongguan, CN;
Jibin Geng, Dongguan, CN;
DONGGUAN AMPEREX TECHNOLOGY LIMITED, Dongguan, Guangdong Province, CN;
Abstract
Provided is a wound cell, formed by successively stacking and winding of first separator, first electrode plate, second separator and second electrode plate from head ends thereof, the first separator is located at innermost side of the flat-shaped cell; a first and second electrode tab is electrically connected with the first and second electrode plate, respectively; the first and second electrode tabs are located on a flat plane of the flat-shaped cell along a length direction thereof and do not overlap each other in a thickness direction thereof; a distance from the first or second electrode tab to a tail end of the first or second current collector is no larger than ⅓ of total length of the first or second current collector, a sum of number of layers of the first separator and the second separator at the innermost side of the cell is no more than two.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile