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:
Dec. 18, 2012
Filed:
Dec. 24, 2003
Eui-sun Hong, Cheonan, KR;
Sung-jae Cho, Cheonan, KR;
Masaki Koike, Cheonan, KR;
Yasuaki Hiramura, Cheonan, KR;
Jin-uk Lee, Asan, KR;
Jae-chul Um, Seoul, KR;
Jung-joon Park, Cheonan, KR;
Eui-Sun Hong, Cheonan, KR;
Sung-Jae Cho, Cheonan, KR;
Masaki Koike, Cheonan, KR;
Yasuaki Hiramura, Cheonan, KR;
Jin-Uk Lee, Asan, KR;
Jae-Chul Um, Seoul, KR;
Jung-Joon Park, Cheonan, KR;
Samsung SDI Co., Ltd., Yongin, Gyeonggi-do, KR;
Abstract
A secondary battery having a simplified structure by which a lead of a safety device can be adhered to the battery includes an electrode unit having a positive electrode plate, a negative electrode plate and a separator disposed therebetween, a can having a bottom portion and made of aluminum or an aluminum alloy, the can in which the electrode unit and an electrolytic solution are accommodated and sealed, and a surface coating provided on at least an outer surface of the bottom portion of the can to which the lead is attached.