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.:
Date of Patent:
Jun. 09, 2026
Filed:
Jul. 07, 2021
Applicant:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Inventors:
Roland Jung, Munich, DE;
Thomas Woehrle, Munich, DE;
Assignee:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); C01G 45/1242 (2025.01); H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01G 45/1242 (2013.01); H01M 4/131 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01);
Abstract
A cathode active material for a lithium ion battery includes particles having a core-shell structure, where each of the particles has a core including a core material and a shell including a shell material. The core material is selected from the group consisting of: layered oxides, including overlithiated layered oxides, compounds having an olivine structure, compounds having a spinel structure, and combinations thereof. The shell material includes a spinel compound. The shell material and/or the core material is at least partially delithiated.