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:
Apr. 19, 2011
Filed:
Jun. 23, 2005
Yong-sam Kim, Suwon-si, KR;
Ki-ho Kim, Suwon-si, KR;
Jae-yul Ryu, Suwon-si, KR;
Jae-kyung Kim, Suwon-si, KR;
Yong-Sam Kim, Suwon-si, KR;
Ki-Ho Kim, Suwon-si, KR;
Jae-Yul Ryu, Suwon-si, KR;
Jae-Kyung Kim, Suwon-si, KR;
Samsung SDI Co., Ltd., Gongse-dong, Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
A secondary battery may be manufactured with an electrode assembly having a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. A container encases the electrode assembly. A hole formed on one end of the container with a stepped configuration that opens with different diameters on opposite sides of a cap plate and a safety valve mounted in the stepped surface of the hole, is configured to rupture and tear open upon occurrence of a predetermined internal battery pressure.