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. 09, 2025
Filed:
Jul. 21, 2020
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/5825 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode material for a non-aqueous electrolyte secondary battery, including a silicate phase, silicon particles dispersed in the silicate phase, and a crystal phase dispersed in the silicate phase. The silicate phase contains at least one element E1 selected from the group consisting of alkali metal elements and Group 2 elements. The crystal phase contains a rare earth element, silicon, and oxygen.