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:
May. 14, 2024
Filed:
Sep. 10, 2021
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Il Geun Oh, Daejeon, KR;
Sun Young Shin, Daejeon, KR;
Se Hui Sohn, Daejeon, KR;
Yong Ju Lee, Daejeon, KR;
Se Mi Park, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
The present invention relates to: a negative electrode active material including silicon-based composite particles containing SiO(0<x<2) and a MgSiOphase, wherein the MgSiOphase includes a first MgSiOphase having an enstatite structure and a second MgSiOphase having a clinoenstatite structure at a weight ratio of 1:1 to 1:5; a negative electrode including the same; and a secondary battery including the negative electrode.