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:
Jul. 25, 2017

Filed:

Aug. 23, 2012
Applicants:

Soon-sung Suh, Yongin-si, KR;

Sung-hwan Moon, Yongin-si, KR;

Yury Matulevich, Yongin-si, KR;

Seung-uk Kwon, Yongin-si, KR;

Yo-han Park, Yongin-si, KR;

Chang-ui Jeong, Yongin-si, KR;

Jae-hyuk Kim, Yongin-si, KR;

Chun-gyoo Lee, Yongin-si, KR;

Jong-seo Choi, Yongin-si, KR;

Inventors:

Soon-Sung Suh, Yongin-si, KR;

Sung-Hwan Moon, Yongin-si, KR;

Yury Matulevich, Yongin-si, KR;

Seung-Uk Kwon, Yongin-si, KR;

Yo-Han Park, Yongin-si, KR;

Chang-Ui Jeong, Yongin-si, KR;

Jae-Hyuk Kim, Yongin-si, KR;

Chun-Gyoo Lee, Yongin-si, KR;

Jong-Seo Choi, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract

An electrode for a lithium secondary battery includes a silicon-based alloy, and has a surface roughness of about 1 to about 10 μm and a surface roughness deviation of 5 μm or less. A method of manufacturing the electrode includes mixing an electrode composition, milling the composition, coating the milled composition on a current collector, and drying the milled composition. A lithium secondary battery includes the electrode.


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