公开(公告)号：EP4106054A1

公开(公告)日：2022-12-21

申请号：EP21867174.1

申请日：2021-09-10

申请人： LG Energy Solution, Ltd.

发明人： OH, Il Geun ,  SHIN, Sun Young ,  SOHN, Se Hui ,  LEE, Yong Ju ,  PARK, Se Mi

IPC分类号： H01M4/36 ,  H01M4/48 ,  H01M4/62 ,  H01M10/42 ,  H01M10/052 ,  H01M4/02

摘要： The present invention relates to: a negative electrode active material including silicon-based composite particles containing SiO x (0 3 phase, wherein the MgSiO 3 phase includes a first MgSiO 3 phase having an enstatite structure and a second MgSiO 3 phase 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.

公开(公告)号：EP3915937A1

公开(公告)日：2021-12-01

申请号：EP20765527.5

申请日：2020-03-06

申请人： LG ENERGY SOLUTION, LTD.

发明人： KIM, Tae Gon ,  JUNG, Wang Mo ,  YOON, Kwang Woo ,  SON, Seung Yong ,  CHAE, Byung Joon ,  PARK, Sin Young ,  SOHN, Se Hui ,  LEE, Dae Jin ,  LEE, Bo Ram ,  KIM, Hak Yoon ,  KIM, Seul Ki ,  HWANG, Jin Young

IPC分类号： C01B32/158 ,  H01M4/62 ,  C01B32/162 ,  B01J23/847

摘要： The present invention relates to a carbon nanotube having an La (100) of less than 7.0 nm when measured by XRD and a specific surface area of 100 m 2 /g to 196 m 2 /g, and an electrode and a secondary battery including the carbon nanotube.