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:
Mar. 29, 2016

Filed:

Mar. 18, 2013
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Sungjin Kwon, Daejeon, KR;

Dong-Myung Kim, Daejeon, KR;

Ki Woong Kim, Daejeon, KR;

Soonho Ahn, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/70 (2006.01); H01M 10/04 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/70 (2013.01); H01M 10/04 (2013.01); H01M 2004/021 (2013.01); Y10T 428/24777 (2015.01);
Abstract

Disclosed herein is an electrode sheet having an electrode active material applied to one major surface or opposite major surfaces of a current collector sheet, the electrode sheet being cut to manufacture a plurality of unit electrode plates, wherein first notch portions are formed at one side, selected from between an upper side and a lower side, of the electrode sheet such that the first notch portions are arranged at intervals corresponding to a width of each of the unit electrode plates and second notch portions corresponding to the first notch portions are formed at the other side of the electrode sheet, and wherein an upper end cut side for a cutting margin is formed at each of the second notch portions, the upper end cut side being smaller in size than a lower end cut side.


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