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:
May. 31, 2022

Filed:

Apr. 13, 2018
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Hae Jin Lim, Daejeon, KR;

Sang Uck Kim, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/531 (2021.01); H01M 50/50 (2021.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 50/531 (2021.01); H01M 10/0587 (2013.01);
Abstract

The present invention relates to an electrode assembly in which resistance is capable of being reduced. Also, an electrode assembly having a wound position and an unwound position includes an electrode having an electrode collector, the electrode collector having a coating portion coated with an active material and a non-coating portion on which the active material is not applied, when the electrode assembly is in the unwound position, the coating portion and the non-coating portion are adjacent to one another in a longitudinal direction of the electrode collector, one or more tab members extending from the non-coating portion, and one or more foil tabs extending from the coating portion in a width direction of the electrode collector perpendicular to the longitudinal direction, the active material not being applied to the foil tabs.


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