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:
Mar. 08, 2022
Filed:
Dec. 04, 2019
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Mona Shirpour, Sunnyvale, CA (US);
Tetsuya Ishikawa, San Jose, CA (US);
Sally S. Lou, San Jose, CA (US);
Juchuan Li, San Jose, CA (US);
Shawn William Snyder, Santa Clara, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/136 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 4/131 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/624 (2013.01); H01M 4/131 (2013.01); H01M 4/136 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
A lithium battery cathode material comprises lithium transition metal-based material selected from lithium transition metal oxides and lithium transition metal phosphates, and crystalline silicon carbide residing at grain boundaries of the lithium transition metal-based material, forming conductive pathways along the grain boundaries, the crystalline silicon carbide being less than 10 wt. % of the cathode material.