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:
Sep. 16, 2014
Filed:
May. 21, 2013
Samsung Sdi Co., Ltd., Yongin-si, KR;
Robert Bosch Gmbh, Stuttgart, DE;
Yong-Sam Kim, Yongin-si, KR;
Sang-Won Byun, Yongin-si, KR;
Sung-Bae Kim, Yongin-si, KR;
Byung-Kyu Ahn, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case.