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:
Apr. 18, 2023
Filed:
Feb. 07, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Daisuke Ito, Kyoto, JP;
Go Sudo, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/48 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/483 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode active material includes a matrix including at least a first element selected from the group consisting of silicon, tin, and germanium, at least a second element selected from the group consisting of copper, boron, phosphorous, aluminum, gallium, arsenic, antimony, lithium, and sodium, and oxygen. The second element bonds with oxygen; and a cluster includes the first element and is dispersed in the matrix.