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:
Jun. 22, 2021
Filed:
Jan. 17, 2018
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Hee Seon Choi, Yongin-si, KR;
Sangpil Kim, Yongin-si, KR;
Youngugk Kim, Yongin-si, KR;
Jiyeon Kwak, Yongin-si, KR;
Yeongap Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/05 (2010.01); H01M 4/583 (2010.01); H01M 4/133 (2010.01); H01M 4/02 (2006.01); H01M 4/587 (2010.01); H01M 4/36 (2006.01);
U.S. Cl.
CPC ...
H01M 4/5835 (2013.01); H01M 10/05 (2013.01); H01M 4/133 (2013.01); H01M 4/364 (2013.01); H01M 4/587 (2013.01); H01M 2004/027 (2013.01); Y02E 60/10 (2013.01);
Abstract
Provided are an anode active material for a lithium secondary battery and a lithium secondary battery comprising the same, wherein the anode active material comprises at least three types of spherical graphite, and a difference between a 90% volume cumulative diameter (D) and a 10% volume cumulative diameter (D) is in the range of 13.0 μm≤(D−D)≤35.0 μm.