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:
May. 07, 2019
Filed:
Dec. 09, 2014
Applicant:
Iljin Electric Co., Ltd., Hwaseong, KR;
Inventors:
Cheol Ho Park, Gwangmyeong, KR;
Seon Kyong Kim, Seoul, KR;
Seung Chul Lee, Seoul, KR;
Young Pil Choi, Chungju, KR;
Hyang Yeon Kim, Seoul, KR;
Jae Woong Kim, Daejeon, KR;
Min Seok Sung, Hwaseong, KR;
Assignee:
ILJIN ELECTRIC CO., LTD., Hwaseong, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 28/00 (2006.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); C22C 1/00 (2006.01); C22C 45/00 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); C22C 1/002 (2013.01); C22C 28/00 (2013.01); C22C 45/00 (2013.01); H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 10/0525 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01); H01M 2220/30 (2013.01);
Abstract
A negative electrode active material for a lithium secondary battery according to an exemplary embodiment of the present invention includes an alloy containing silicon (Si), titanium (Ti), and iron (Fe), wherein the degree of amorphization of the alloy is raised by 40% or more by further adding copper (Cu) to the alloy.