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:
Mar. 19, 2013
Filed:
Dec. 22, 2008
Chengliang LI, Shenzhen, CN;
Wenfeng Jiang, Shenzhen, CN;
Xiankai Zhou, Shenzhen, CN;
Guanglin Wu, Shenzhen, CN;
Xi Shen, Shenzhen, CN;
Chengliang Li, Shenzhen, CN;
Wenfeng Jiang, Shenzhen, CN;
Xiankai Zhou, Shenzhen, CN;
Guanglin Wu, Shenzhen, CN;
Xi Shen, Shenzhen, CN;
BYD Co. Ltd., Shenzhen, CN;
Abstract
An electrochemical storage cell having a coiled core is disclosed. The coiled core includes a cathode sheet, an anode sheet, and a separator sheet. An anode connector is connected with the anode sheet at a first end of the coiled core and a cathode connector is connected with the cathode sheet at a second, opposite end of the coiled core. The coiled core has a length Land a width Wand each connector has a width W. The length of the coiled core L, width of the coiled core W, and width of each connector Whave the relationship 0<(W−W)/L<0.37.