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:
Jun. 16, 2026
Filed:
Jun. 08, 2022
Applicant:
Daido Steel Co., Ltd., Nagoya, JP;
Inventors:
Yuta Kimura, Nagoya, JP;
Kazuki Minami, Nagoya, JP;
Assignee:
Daido Steel Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/04 (2006.01); H01M 4/38 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01B 1/04 (2013.01);
Abstract
The present invention relates to a lithium ion battery negative electrode active material that includes an Si phase, an Si—Zr compound phase, an Si—X compound phase, and an Sn—Cu compound phase, X being at least one element selected from the group that consists of Fe, Ni, Co, Mn, Ti, V, and Cr, the Sn—Cu compound phase fraction of the whole being 0.1-18 mass %, and the Si phase fraction being 10-90 mass %.
Kimura, Yuta. (2026). Lithium ion battery negative electrode active material (U.S. Patent No. 12658429). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12658429
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile