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:
Sep. 15, 2020
Filed:
Dec. 15, 2016
Applicant:
Johnson Matthey Public Company Limited, London, GB;
Inventors:
Xiaohua Ma, Woodbury, MN (US);
Mark N. Obrovac, Nova Scotia, CA;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); C01G 33/00 (2006.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 4/583 (2010.01); H01M 4/66 (2006.01); H01M 10/052 (2010.01); H01M 10/058 (2010.01); H01M 4/02 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); C01G 33/00 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/364 (2013.01); H01M 4/382 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 4/62 (2013.01); H01M 4/621 (2013.01); H01M 4/628 (2013.01); H01M 4/661 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
An electrochemically active material includes an active phase that includes silicon, and at least one inactive phase having a Scherrer Grain Size of greater than 5 nanometers. Each inactive phase of the material having a Scherrer Grain Size of greater than 5 nanometers has a lattice mismatch to LiSiof greater than 5%.