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:
Jun. 18, 2013
Filed:
Dec. 23, 2009
Dae-won Han, Suwon-si, KR;
Yong-sam Kim, Suwon-si, KR;
Dae-Won Han, Suwon-si, KR;
Yong-Sam Kim, Suwon-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A rechargeable battery including an electrode assembly having an inner surface and including a positive electrode, a negative electrode, and a separator interposed therebetween, a case having a space for internally housing the electrode assembly, a cap assembly coupled to the case and electrically connected to the electrode assembly, and a core inside the electrode assembly, wherein the core has a length and includes a plurality of support portions contacting the inner surface of the electrode assembly, and a plurality of avoidance surfaces between the support portions and separated from the inner surface of the electrode assembly.