logo

For the Inventor, By the Inventor

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 8642215 B1

PDFFull Text
Date of Patent:
Feb. 04, 2014

Filed:

Aug. 22, 2012

Negative active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same

Applicants:

Jae-myung Kim, Yongin-si, KR;

Tae-sik Kim, Yongin-si, KR;

Kyu-nam Joo, Yongin-si, KR;

Deok-hyun Kim, Yongin-si, KR;

Inventors:

Jae-Myung Kim, Yongin-si, KR;

Tae-Sik Kim, Yongin-si, KR;

Kyu-Nam Joo, Yongin-si, KR;

Deok-Hyun Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:

Christie, Parker & Hale, LLP

Primary Examiner:

Carlos Barcena

Assistant Examiner:

Lilia V Nedialkova

Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/133 (2010.01); H01M 4/1395 (2010.01);
U.S. Cl.
CPC ...
Abstract

A negative active material for a rechargeable lithium battery includes a SiO(0.5≦x≦1.5) compound including crystalline Si, and a SiC, (0.5≦y≦1.5) compound including crystalline carbon. The negative active material may be used in a rechargeable lithium battery to achieve high capacity and good cycle-life characteristics.

Find Patent Forward Citations

Kim, Jae-Myung. (2014). Negative active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same (U.S. Patent No. 8642215). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8642215

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

Loading…