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.

Date of Patent:
Apr. 07, 2015

Filed:

Mar. 15, 2013
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Chong-Hoon Lee, Yongin-si, KR;

Jun-Sik Kim, Yongin-si, KR;

Tae-Keun Kim, Yongin-si, KR;

Sae-Weon Roh, Yongin-si, KR;

Sung-Soo Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/583 (2010.01); H01M 4/587 (2010.01); H01M 10/0585 (2010.01); H01M 10/04 (2006.01); H01M 2/18 (2006.01); H01M 4/64 (2006.01);
U.S. Cl.
CPC ...
H01M 4/583 (2013.01); H01M 2/18 (2013.01); H01M 4/587 (2013.01); H01M 4/64 (2013.01); H01M 10/04 (2013.01); H01M 10/0585 (2013.01);
Abstract

A rechargeable battery includes an electrode assembly, a case, and an electrode terminal. The electrode assembly including at least a central negative electrode, a pair of positive electrodes disposed on opposite side of the central negative electrode, and pair of outermost negative electrodes adjacent the pair of positive electrodes with a separator separating all the electrodes from each other. The pair of outermost negative electrodes respectively include a negative current collector and negative active material layers formed on both sides of the negative current collector. The case receives the electrode assembly. The electrode terminal includes a positive terminal connected to a positive electrode and a negative terminal connected to a negative electrode.


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