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:
Jul. 02, 2019
Filed:
Jun. 15, 2016
Applicant:
Unist(ulsan National Institute of Science and Technology), Ulsan, KR;
Inventors:
Jaephil Cho, Ulsan, KR;
Min Seong Ko, Ulsan, KR;
Su Jong Chae, Ulsan, KR;
Ji Young Ma, Ulsan, KR;
Nam Hyung Kim, Ulsan, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/587 (2010.01); H01M 10/052 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); C01B 33/029 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01B 33/029 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
An anode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery including the anode active material are provided. The anode active material includes carbon particles having a spherical shape, a first carbon coating layer present on surfaces of the carbon particles, a silicon coating layer present on the first carbon coating layer and including silicon nanoparticles, and a second carbon coating layer present on the silicon coating layer.