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:
Dec. 10, 2019

Filed:

Nov. 16, 2016
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jung Koo Kang, Daejeon, KR;

Joo Hwan Sung, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 2/34 (2006.01); H01M 4/13 (2010.01); H01M 10/42 (2006.01); H01M 10/0525 (2010.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 2/34 (2013.01); H01M 4/13 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01); H01M 10/0587 (2013.01); H01M 2220/30 (2013.01);
Abstract

The present invention relates to a secondary battery including: an electrode assembly in which a plurality of electrodes and a plurality of separators are alternately stacked to each other and wound; an internal insulating tape attached to an inner surface of the electrode, wherein an attachment starting point (a) and an attachment ending point (b) are disposed in a line (A) that is directed to a winding center of the electrode assembly, and the internal insulating tape surrounds a central portion of the electrode assembly once; and an external insulating tape attached to an outer surface of the electrode corresponding to the internal insulating tape, wherein an attachment starting point (c) and an attachment ending point (d) are disposed in a line (B) that is directed to the winding center of the electrode assembly, and the external insulating tape surrounds the central portion of the electrode assembly once.


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