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. 10, 2015

Filed:

May. 29, 2013
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Sung-Kyun Chang, Daejeon, KR;

WonSeok Chang, Daejeon, KR;

Je Young Kim, Daejeon, KR;

JungMin Han, Seoul, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/583 (2010.01); H01M 4/36 (2006.01); H01M 4/587 (2010.01); B60L 11/18 (2006.01);
U.S. Cl.
CPC ...
H01M 4/583 (2013.01); H01M 4/133 (2013.01); H01M 4/366 (2013.01); H01M 4/587 (2013.01); B60L 11/1864 (2013.01); B60L 11/1879 (2013.01); Y02E 60/122 (2013.01);
Abstract

Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, wherein the composite coating layer includes a matrix comprising one component selected from one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material.


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