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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.

Patent No.:

US 12580182 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Jul. 01, 2022

Coated cathode active material, method of preparing the same, and cathode and non-aqueous electrolyte secondary battery each including the same

Applicants:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Tohoku University, Sendai, JP;

Inventors:

Itaru Homma, Miyagi, JP;

Tomoyuki Tsujimura, Kanagawa-ken, JP;

Nobuyoshi Yashiro, Kanagawa-ken, JP;

Guohao Yuan, Miyagi, JP;

Assignees:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

TOHOKU UNIVERSITY, Sendai, JP;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Nicole M Buie-Hatcher

Assistant Examiner:

Krishna R Hammond

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0471 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/582 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

A coated cathode active material, a method of preparing the same, and a cathode and a non-aqueous electrolyte secondary battery, each including the same, the coated cathode active material including: a cathode active material particle and a coating layer on a surface of the cathode active material particle, the coating layer including LiAlF, LiF, and LiAlF.

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Quick Actions:

Homma, Itaru. (2026). Coated cathode active material, method of preparing the same, and cathode and non-aqueous electrolyte secondary battery each including the same (U.S. Patent No. 12580182). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12580182

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