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:
Feb. 16, 2021
Filed:
Dec. 06, 2018
SK Innovation Co., Ltd., Seoul, KR;
Unist (Ulsan National Institute of Science and Technology), Ulsan, KR;
Jee Hee Lee, Daejeon, KR;
Joon Sup Kim, Daejeon, KR;
Nam Hyung Kim, Ulsan, KR;
Yeong Uk Son, Ulsan, KR;
Yoon Kwang Lee, Ulsan, KR;
Jae Phil Cho, Ulsan, KR;
SK INNOVATION CO., LTD., Seoul, KR;
UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan, KR;
Abstract
Provided are an anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The present invention provides an anode active material for a lithium secondary battery including: a carbon based particle; a first carbon coating layer positioned on the carbon based particle and including pores; a silicon coating layer positioned on the pores and/or a pore-free surface of the first carbon coating layer; and second carbon coating layer positioned on the silicon coating layer, a method of preparing the same, and a lithium secondary battery containing the same.