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:
Aug. 19, 2025

Filed:

Sep. 07, 2020
Applicant:

U&s Energy, Inc., Cheonan-si, KR;

Inventors:

Kyung Joon Kim, Daejeon, KR;

Seung Ho Choi, Daejeon, KR;

Young Hun Jin, Gyeryong-si, KR;

Assignee:

U&S ENERGY, INC., Cheonan-si, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 50/566 (2021.01);
U.S. Cl.
CPC ...
H01M 4/667 (2013.01); H01M 4/661 (2013.01); H01M 4/668 (2013.01); H01M 50/566 (2021.01);
Abstract

A current collector for a positive electrode according to the present invention may include a base film, a conductive material provided on at least one of upper and lower surfaces of the base film, a metal piece provided on the upper or lower surface of the base film and electrically connected to the conductive material, and a lead tab joined to any one of the metal piece, the conductive material, and the base film and electrically connected to the conductive material, in which the conductive material is positioned between the metal piece and the base film or between the lead tab and the base film, and in which the lead tab is welded to one of the metal pieces provided on the upper and lower surfaces of the base film or welded to the metal piece provided on one surface of the base film that faces the lead tab.


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