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:
Dec. 31, 2019
Filed:
Jan. 21, 2015
Ecopro Bm Co., Ltd., Cheongju-si, Chungcheongbuk-do, KR;
Jik Soo Kim, Chungcheongbuk-do, KR;
Moon Ho Choi, Chungcheongbuk-do, KR;
Jin Kyeong Yun, Chungcheongbuk-do, KR;
Jae Yong Jung, Chungcheongbuk-do, KR;
Suk Yong Jeon, Chungcheongbuk-do, KR;
Jong Seung Shin, Chungcheongbuk-do, KR;
ECOPRO BM CO., LTD., Cheongju-si, KR;
Abstract
The present invention relates to an cathode active material for lithium secondary battery and a lithium secondary battery including the same, and more specifically, it relates to an anode active material for lithium secondary battery which includes a concentration gradient layer having a controlled thickness and a shell layer on the periphery of the core layer of the anode active material having a layered structure and in which the lithium ion diffusion paths in the primary particles and the secondary particles are formed to exhibit directivity in a specific direction, and a lithium secondary battery including the same.