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:
Nov. 07, 2017

Filed:

Jul. 29, 2014
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

In Sung Uhm, Daejeon, KR;

Je Young Kim, Daejeon, KR;

Kyoung Ho Kim, Daejeon, KR;

Ji Yoon Kwon, Daejeon, KR;

Hoe Jin Hah, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 2/30 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 2/26 (2006.01); H01M 2/22 (2006.01); H01M 2/34 (2006.01); H01M 10/0585 (2010.01);
U.S. Cl.
CPC ...
H01M 2/30 (2013.01); H01M 2/0237 (2013.01); H01M 2/22 (2013.01); H01M 2/26 (2013.01); H01M 2/348 (2013.01); H01M 4/582 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 2200/103 (2013.01); H01M 2220/20 (2013.01); Y02T 10/7011 (2013.01);
Abstract

Disclosed is a secondary battery, wherein an electrode assembly including at least one positive electrode respectively having positive electrode tabs not coated with a positive electrode active material; at least one negative electrode respectively having negative electrode tabs not coated with a negative electrode active material; and at least one separator disposed between the positive electrode and the negative electrode is sealed with an electrolyte solution in a battery case, the positive electrode tabs and the negative electrode tabs are respectively connected to positive electrode lead and negative electrode lead protruded to the outside of a battery case, and at least one an electrode terminal selected from the group consisting of the positive electrode tabs, the negative electrode tabs, the positive electrode lead and the negative electrode lead includes Wood's metal.


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