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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 9077029 B1

PDFFull Text
Date of Patent:
Jul. 07, 2015

Filed:

Jan. 12, 2011

Negative active material for rechargeable lithium battery and rechargeable lithium battery including the same

Applicants:

Toru Inagaki, Osaka, JP;

Naoya Kobayashi, Osaka, JP;

Ki-jun Kim, Yongin-si, KR;

Inventors:

Toru Inagaki, Osaka, JP;

Naoya Kobayashi, Osaka, JP;

Ki-Jun Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;

Attorney:

Robert E. Bushnell, Esq.

Primary Examiner:

Milton I Cano

Assistant Examiner:

Michael Dignan

Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 10/0525 (2010.01); H01M 10/0566 (2010.01);
U.S. Cl.
CPC ...
H01M 4/38 (2013.01); H01M 4/0421 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 10/0525 (2013.01); H01M 10/0566 (2013.01); Y02E 60/122 (2013.01);
Abstract

A negative active material for a rechargeable lithium battery including a flake powder including a plurality of flakes, each flake including a plurality of silicon atoms and a plurality of oxygen atoms, wherein an oxygen atom amount for each flake ranges from 5 wt % to 36 wt % based on a total amount of silicon atoms and oxygen atoms, each flake having a thickness ranging from 30 nm to 500 nm and a ratio of an average longest dimension to the thickness ranging from 10 to 100.

Find Patent Forward Citations

Inagaki, Toru. (2015). Negative active material for rechargeable lithium battery and rechargeable lithium battery including the same (U.S. Patent No. 9077029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9077029

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

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