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. 19, 2013
Filed:
Aug. 24, 2010
Hyo-rim Bak, Yongin-si, KR;
Jin-bum Kim, Yongin-si, KR;
Wan-mook Lim, Yongin-si, KR;
Hae-kwon Yoon, Yongin-si, KR;
Myoung-han Ryu, Yongin-si, KR;
Hyo-Rim Bak, Yongin-si, KR;
Jin-Bum Kim, Yongin-si, KR;
Wan-Mook Lim, Yongin-si, KR;
Hae-Kwon Yoon, Yongin-si, KR;
Myoung-Han Ryu, Yongin-si, KR;
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
A secondary battery that includes a cylindrical can, an electrode assembly arranged in a jelly-role configuration within the cylindrical can and having a core extending about an axis thereof and a hollow center pin arranged within the core of the electrode assembly and having an inner diameter and an outer diameter, the outer diameter forming ones of a pair of radial lengths diametrically opposite from each other, each of said pair of radial lengths extending from the outer diameter of the center pin to an external surface of the core, wherein the sum of the pair of radial lengths is in the range of 5% to 54% of the inner diameter of the center pin.