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 8227100 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 24, 2012

Filed:

Dec. 10, 2008
Applicants:

Toru Inagaki, Minoh, JP;

Akira Takamuku, Minoh, JP;

Geun-bao Kim, Suwon-si, KR;

Inventors:

Toru Inagaki, Minoh, JP;

Akira Takamuku, Minoh, JP;

Geun-Bao Kim, Suwon-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/485 (2010.01); C01G 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a negative active material for a lithium ion battery and a lithium ion battery including the negative active material. The negative active material for a lithium ion battery includes a hexagonal lithium vanadium composite oxide including lithium, vanadium, and magnesium. The lithium and the vanadium are included in a mole ratio within a range of 1.15≦Li/V≦1.35, and the magnesium and the vanadium are included in a mole ratio within a range of 0.01≦Mg/V≦0.06. The present invention provides a negative active material for a lithium ion battery having a stable crystal structure, excellent high rate of charge and discharge, and good charge and discharge cycle characteristics.


Find Patent Forward Citations

Inagaki, Toru. (2012). Negative active material for lithium ion battery and lithium ion battery including the same (U.S. Patent No. 8227100). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8227100

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