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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 9293763 B1

PDFFull Text
Date of Patent:
Mar. 22, 2016

Filed:

Oct. 22, 2013

Silicon oxide, making method, negative electrode, lithium ion secondary battery, and electrochemical capacitor

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Hirofumi Fukuoka, Annaka, JP;

Mitsugu Saito, Annaka, JP;

Susumu Ueno, Annaka, JP;

Tetsuya Inukai, Annaka, JP;

Assignee:

SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Kenneth Douyette

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/48 (2010.01); C01B 15/14 (2006.01); C01B 33/113 (2006.01); H01G 11/50 (2013.01); H01M 4/485 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01G 11/46 (2013.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01G 11/06 (2013.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); C01B 33/113 (2013.01); H01G 11/46 (2013.01); H01G 11/50 (2013.01); H01M 4/386 (2013.01); H01M 4/485 (2013.01); H01M 4/62 (2013.01); H01G 11/06 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); Y02E 60/122 (2013.01); Y02E 60/13 (2013.01);
Abstract

Particulate silicon oxide having a Cu content of 100-20,000 ppm, an Fe content of 20-1,000 ppm, an Al content of up to 1,000 ppm, an average particle size of 0.1-30 μm, and a BET specific surface area of 0.5-30 m/g is used as negative electrode material in constructing a nonaqueous electrolyte secondary battery. The secondary battery is improved in cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.

Find Patent Forward Citations

Fukuoka, Hirofumi. (2016). Silicon oxide, making method, negative electrode, lithium ion secondary battery, and electrochemical capacitor (U.S. Patent No. 9293763). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9293763

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

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