公开(公告)号：US20200280059A1

公开(公告)日：2020-09-03

申请号：US16645807

申请日：2018-08-30

Applicant: LG CHEM, LTD.

Inventor： Jung Hyun CHOI ,  So Ra LEE ,  Eun Kyung KIM ,  Yong Ju LEE ,  Sun Young SHIN ,  Hyeon Min SONG ,  Jee Eun KIM ,  Seo Young KWON ,  Il Geun OH ,  Jae Young LEE

IPC: H01M4/38 ,  H01M4/134 ,  H01M4/131 ,  H01M4/133 ,  H01M4/36 ,  H01M4/583 ,  H01M10/0525

Abstract: The present invention relates to a negative electrode active material which includes a carbonaceous matrix including a first particle and a second particle, wherein the first particle includes a silicon core, an oxide layer which is disposed on the silicon core and includes SiOx (0