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. 29, 2026
Filed:
Oct. 06, 2022
Mitsubishi Materials Corporation, Tokyo, JP;
Yoshinobu Nakada, Saitama, JP;
Naoki Rikita, Tokyo, JP;
Jie Tang, Ibaraki, JP;
Kun Zhang, Ibaraki, JP;
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Abstract
Performance is improved. There is provided a negative electrode material for a battery, in which the negative electrode material includes carbon, sodium tungstate, and silicon particlesincluding silicon, and in the silicon particle, a ratio of the amount of Si in Si2p derived from elemental silicon to the amount of Si in Si2p derived from SiOin a surface layer when measured by X-ray photoelectron spectroscopy is 3 or more on an atomic concentration basis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile