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. 07, 2023
Filed:
Mar. 31, 2020
Lg Chem, Ltd., Seoul, KR;
Sun-Young Shin, Daejeon, KR;
Dong-Hyuk Kim, Daejeon, KR;
Yong-Ju Lee, Daejeon, KR;
Je-Young Kim, Daejeon, KR;
Su-Min Lee, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A negative electrode which satisfies a need for high energy density while allowing high-speed charging of a battery. A lithium secondary battery including the negative electrode is also provided. The negative electrode includes: a first negative electrode active material having a first core including a silicon oxide-based composite and a carbon coating layer covering the first core including a silicon oxide-based composite; and a second negative electrode active material having a second core including an artificial graphite and a carbon coating layer covering the second core.