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:
Mar. 16, 2021
Filed:
Oct. 26, 2017
Dic Corporation, Tokyo, JP;
Takayuki Miki, Sakura, JP;
Yasuhiro Takada, Sakura, JP;
Shinichi Nonaka, Tokyo, JP;
Masami Ookuma, Tokyo, JP;
Kiyoo Kamei, Sakura, JP;
Toshinori Nishiyama, Sakura, JP;
DIC CORPORATION, Tokyo, JP;
Abstract
An active material having a high capacity for negative electrodes of nonaqueous secondary batteries is provided by pyrolysis of a composite resin (A) which has a silanol group and/or a hydrolysable silyl group and which contains a polysiloxane segment (a1) and a polymer segment (a2) other than the polysiloxane segment (a1), and furthermore, a negative electrode using the above active material and a nonaqueous secondary battery including the above negative electrode are also provided. In addition, by pyrolysis of a dispersion liquid obtained from the composite resin (A), silicon particles, and an organic solvent, an active material having a high capacity for negative electrodes of nonaqueous secondary batteries is provided, and furthermore, a negative electrode using the above active material and a nonaqueous secondary battery including the above negative electrode are also provided.