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:
Feb. 16, 2010
Filed:
Mar. 04, 2004
Su-jin Han, Cheonan-si, KR;
Chang-seob Kim, Cheonan-si, KR;
Yoon-tai Kwak, Cheonan-si, KR;
Soo-youn Maeng, Incheon-si, KR;
Ju-hyung Kim, Cheonan-si, KR;
Su-Jin Han, Cheonan-si, KR;
Chang-Seob Kim, Cheonan-si, KR;
Yoon-Tai Kwak, Cheonan-si, KR;
Soo-Youn Maeng, Incheon-si, KR;
Ju-Hyung Kim, Cheonan-si, KR;
Samsung SDI Co., Ltd., Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A secondary battery includes an electrode unit having a first electrode plate, a second electrode plate, a separator interposed therebetween, and first and second electrode tabs respectively extending from the first and second electrode plates, a can adapted to accommodate the electrode unit and an electrolytic solution, and a cap plate adapted to seal the can and having an electrolytic solution inlet, wherein the electrolytic solution inlet has an area on one surface of the cap plate different from that on another surface of the cap plate.