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. 20, 2015
Filed:
Dec. 13, 2011
Applicants:
Yong-mi Yu, Yongin-si, KR;
Jong-hee Lee, Yongin-si, KR;
Inventors:
Yong-Mi Yu, Yongin-si, KR;
Jong-Hee Lee, Yongin-si, KR;
Assignee:
SAMSUNG SDI CO., LTD., Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/485 (2010.01); H01M 4/131 (2010.01); C01D 15/02 (2006.01); C01G 23/00 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/485 (2013.01); C01D 15/02 (2013.01); C01G 23/005 (2013.01); H01M 4/131 (2013.01); C01P 2002/80 (2013.01); C01P 2006/40 (2013.01); H01M 4/622 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); Y02E 60/122 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A negative electrode for a lithium secondary battery that includes, as a negative active material, a lithium titanate (LiTiO) compound containing 0.004 parts by weight or less of phosphorous (P) and 0.007 parts by weight or less of potassium (K) based on 100 parts by weight of lithium titanate, a binder, and a conductive agent, and a lithium secondary battery including the negative electrode.