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:
Aug. 11, 2015
Filed:
Mar. 14, 2013
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Tae-Hyun Bae, Yongin-si, KR;
Woo-Cheol Shin, Yongin-si, KR;
Sang-Il Han, Yongin-si, KR;
Jung-Yi Yu, Yongin-si, KR;
Myung-Hwan Jeong, Yongin-si, KR;
Myung-Hoon Kim, Yongin-si, KR;
Moon-Sung Kim, Yongin-si, KR;
Sang-Geun Kim, Yongin-si, KR;
Assignee:
SAMSUNG SDI CO., LTD., Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/14 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/16 (2013.01); H01M 2/145 (2013.01); H01M 2/1653 (2013.01); H01M 2/14 (2013.01); H01M 10/052 (2013.01); Y10T 29/49108 (2015.01);
Abstract
Disclosed is a separator having surface energy of about 45 mN to about 50 mN/m which can be prepared by radiating plasma on a polymer film under a current of from about 1800 mA to about 2000 mA and electric power of from about 2750 W to about 3000 W. Further disclosed is a rechargeable battery comprising the separator having a surface energy of about 45 mN to about 50 mN/m.