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:
May. 12, 2026
Filed:
Nov. 08, 2021
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Mitsutoshi Otaki, Susono, JP;
Jun Yoshida, Mishima, JP;
Tetsuya Waseda, Bunkyo-ku, JP;
Masanori Harata, Kariya, JP;
Tatsuya Eguchi, Kariya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A main object of the present disclosure is to provide an active material wherein the volume variation of an electrode layer during charge/discharge may be suppressed. The present disclosure achieves the object by providing an active material used for an all solid state battery, the active material comprising at least Si, and in infrared spectrum, when a maximum peak intensity in 900 cmor more and 950 cmor less is regarded as I, and a maximum peak intensity in 1000 cmor more and 1100 cmor less is regarded as I, the Iand the Isatisfy 0.55≤I/I≤1.0, and 0.01≤I.