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.:
Date of Patent:
Oct. 27, 2015
Filed:
Jan. 09, 2014
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-Do, KR;
Inventors:
Hee-Young Chu, Yongin-si, KR;
Young-Ugk Kim, Yongin-si, KR;
Seung-Uk Kwon, Yongin-si, KR;
Jae-Hyuk Kim, Yongin-si, KR;
Soon-Sung Suh, Yongin-si, KR;
Duk-Hyoung Yoon, Yongin-si, KR;
Chang-Ui Jeong, Yongin-si, KR;
Yo-Han Park, Yongin-si, KR;
Yury Matulevich, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/134 (2010.01);
U.S. Cl.
CPC ...
H01M 4/628 (2013.01); Y02E 60/122 (2013.01);
Abstract
In an aspect, an electrode active material for a lithium secondary battery, the electrode active material including a silicon-based alloy and a coating film containing a polymer that includes a 3,4-ethylenedioxythiophene repeating unit and an oxyalkylene repeating unit, coated on the surface of the silicon-based alloy are provided.