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:
Sep. 24, 2024

Filed:

Sep. 27, 2021
Applicant:

SK on Co., Ltd., Seoul, KR;

Inventors:

Dong Hoon Lee, Daejeon, KR;

Jae Youn Kim, Daejeon, KR;

Jung Min Yang, Daejeon, KR;

Assignee:

SK On Co., Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/139 (2010.01); H01M 10/0525 (2010.01); H01M 10/48 (2006.01);
U.S. Cl.
CPC ...
H01M 4/621 (2013.01); H01M 4/0404 (2013.01); H01M 4/131 (2013.01); H01M 4/139 (2013.01); H01M 10/0525 (2013.01); H01M 10/48 (2013.01);
Abstract

An electrode for a secondary battery, the electrode including a current collector and an electrode active material layer disposed on at least one surface of the current collector. The electrode satisfies t≤t≥8×t, where tis a thickness of the electrode active material layer excluding the current collector on the side close to the current collector based on a separated position within the electrode active material layer when a 90° bending adhesive strength of the electrode is measured, and tis a particle size (D50) of an electrode active material included in the electrode active material layer.


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