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. 04, 2014
Filed:
Mar. 11, 2011
Kyung-su OH, Daejeon, KR;
Cha-hun Ku, Daejeon, KR;
Yong-su Choi, Chungbuk, KR;
Sung-jong Kim, Daejeon, KR;
Jung-ah Lee, Seoul, KR;
Jae-dong Chang, Chungbuk, KR;
Dong-myung Kim, Daejeon, KR;
Jun-yong Jeong, Daejeon, KR;
Sung-min Hwang, Chungbuk, KR;
Do-gyun Kim, Chungbuk, KR;
Sang-bong Nam, Chungcheongnam-do, KR;
Kyung-Su Oh, Daejeon, KR;
Cha-Hun Ku, Daejeon, KR;
Yong-Su Choi, Chungbuk, KR;
Sung-Jong Kim, Daejeon, KR;
Jung-Ah Lee, Seoul, KR;
Jae-Dong Chang, Chungbuk, KR;
Dong-Myung Kim, Daejeon, KR;
Jun-Yong Jeong, Daejeon, KR;
Sung-Min Hwang, Chungbuk, KR;
Do-Gyun Kim, Chungbuk, KR;
Sang-Bong Nam, Chungcheongnam-do, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket.