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. 08, 2019
Filed:
Aug. 28, 2015
Applicant:
L&f Co., Ltd., Daegu, KR;
Inventors:
Su An Choi, Gyeonggi-do, KR;
Ji Sun An, Daegu, KR;
Chang Min Choi, Gyeongsangnam-do, KR;
Su Youn Kwong, Daegu, KR;
Hyun Chul Jung, Daegu, KR;
Sung Woo Cho, Gyeongsangnam-do, KR;
Assignee:
L&F CO., LTD., Daegu, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/362 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract
The present invention relates to a nickel-based composite oxide for a lithium secondary battery, and a lithium secondary battery including the same, and provides a nickel-based composite oxide for a lithium secondary battery, which comprises: a core part; and at least one tunnel connected from the inside of the core part to the outside thereof, wherein the tunnel has a diameter of 100 nm or larger, and the composite oxide further comprises coating layers located inside the tunnel and outside the core part.