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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.:

US 12586782 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Sep. 07, 2022

Active material, anode layer, battery, and methods for producing these

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Mitsutoshi Otaki, Susono, JP;

Jun Yoshida, Mishima, JP;

Masanori Harata, Kariya, JP;

Yasuhiro Yamaguchi, Kariya, JP;

Kota Urabe, Kariya, JP;

Tatsuya Eguchi, Kariya, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota Aichi-ken, JP;

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Tong Guo

Assistant Examiner:

Jesse J Efymow

Int. Cl.
CPC ...
H01M 4/38 (2006.01); C01B 33/021 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); C01B 33/021 (2013.01); H01M 4/0433 (2013.01); H01M 10/0525 (2013.01); C01P 2002/72 (2013.01); C01P 2002/74 (2013.01); C01P 2002/77 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

A main object of the present disclosure is to provide an active material wherein a volume variation due to charge/discharge is small. The present disclosure achieves the object by providing an active material comprising a silicon clathrate II type crystal phase, including a void inside a primary particle, and a void amount A of the void with a fine pore diameter of 100 nm or less is more than 0.15 cc/g and 0.40 cc/g or less.

Find Patent Forward Citations

Otaki, Mitsutoshi. (2026). Active material, anode layer, battery, and methods for producing these (U.S. Patent No. 12586782). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12586782

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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