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:
Oct. 11, 2011
Filed:
Jul. 21, 2006
Hyang Mok Lee, Seoul, KR;
Byungjin Choi, Daejeon, KR;
Jun Hwan Jang, Seoul, KR;
Hyun-chul Jung, Incheon, KR;
Jeongsam Son, Daejeon, KR;
Chang Bum Ahn, Daejeon, KR;
Hyung Ku Yun, Daejeon, KR;
Hyang Mok Lee, Seoul, KR;
Byungjin Choi, Daejeon, KR;
Jun Hwan Jang, Seoul, KR;
Hyun-Chul Jung, Incheon, KR;
JeongSam Son, Daejeon, KR;
Chang bum Ahn, Daejeon, KR;
Hyung Ku Yun, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed herein is a secondary battery having an electrode assembly received in a receiving part of a battery case, the electrode assembly being constructed in a structure in which pluralities of cathodes and anodes are stacked one on another while separators are disposed between the respective cathodes and anodes, and electrode taps extending from the stacked cathodes and anodes are coupled to electrode leads, wherein the receiving part of the battery case is provided at the outer upper end thereof with a depressed step such that at least a portion of the inner upper end of the receiving part of the battery case excluding the electrode taps-electrode lead coupling parts of the electrode assembly is in tight contact with the upper end of the electrode assembly.