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:
Jun. 04, 2024

Filed:

Jul. 31, 2019
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Jun-Soo Park, Daejeon, KR;

Bum-Young Jung, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/13 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 4/13 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01);
Abstract

The present disclosure relates to an electrode for a lithium secondary battery which includes: an electrode current collector; a primer coating layer disposed on at least one surface of the electrode current collector and including a binder and a conductive material; and an electrode active material layer disposed on the primer coating layer, wherein the binder includes poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) containing vinylidene fluoride (VDF)-derived repeating units and hexafluoropropylene (HFP)-derived repeating units, the content of HFP-derived repeating units in PVDF-HFP is 2-13 wt %, and the primer coating layer has a thickness of 0.8-10 μm.


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