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.

Date of Patent:
Mar. 11, 2014

Filed:

Sep. 22, 2011
Applicants:

Jaephil Cho, Gyeonggi-do, KR;

Jae-bum Choo, Gyeonggi-do, KR;

Byung-hee Han, Gyeonggi-do, KR;

Hyun-jung Kim, Daegu, KR;

Ki-tae Kim, Daejeon, KR;

Je-young Kim, Daaejeon, KR;

Inventors:

Jaephil Cho, Gyeonggi-do, KR;

Jae-Bum Choo, Gyeonggi-do, KR;

Byung-Hee Han, Gyeonggi-do, KR;

Hyun-Jung Kim, Daegu, KR;

Ki-Tae Kim, Daejeon, KR;

Je-Young Kim, Daaejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/38 (2006.01); H01M 4/04 (2006.01); B82B 3/00 (2006.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the carbon layer with a pore wall of specific thickness placed therebetween.


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