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. 03, 2009
Filed:
Dec. 18, 2003
Chang-seob Kim, Cheonan, KR;
Su-jin Han, Cheonan, KR;
Min-ho Gong, Cheonan, KR;
Jun-won Kang, Cheonan, KR;
Soo-youn Maeng, Incheon, KR;
Ju-hyung Kim, Cheonan, KR;
Chang-Seob Kim, Cheonan, KR;
Su-Jin Han, Cheonan, KR;
Min-Ho Gong, Cheonan, KR;
Jun-Won Kang, Cheonan, KR;
Soo-Youn Maeng, Incheon, KR;
Ju-Hyung Kim, Cheonan, KR;
Samsung SDI Co., Ltd., Suwon-si, KR;
Abstract
A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with an electrolytic solution. An upper opening of the can is sealed by a cap assembly. A bottom plate is welded to an outer bottom surface of the can, and a lead plate having a first end welded to the outer bottom surface of the can and a second end connected to a safety device so that the can is electrically connected to the safety device.