CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Title:

CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2023/249431

Kind Code:

A1

Abstract:

The present invention relates to a cathode material, a cathode comprising same, and a lithium secondary battery, the cathode material comprising a first lithium transition metal oxide and a second lithium transition metal oxide having an average particle diameter (D50) smaller than that of the first lithium transition metal oxide, wherein the particle strength of the first lithium transition metal oxide is 100 Mpa or more, and the second lithium transition metal oxide exhibits a particle strength that is more than twice the particle strength of the first lithium transition metal oxide.

Inventors:

KWAK NO WOO (KR)
HAN SONG YI (KR)
EOM JUN HO (KR)
YE SEONG JI (KR)
LEE JUN WON (KR)
AHN DONG JOON (KR)

Application Number:

PCT/KR2023/008680

Publication Date:

December 28, 2023

Filing Date:

June 22, 2023

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M4/36; H01M4/02; H01M4/131; H01M4/505; H01M4/525; H01M10/052

Foreign References:

KR20210117212A	2021-09-28
KR20220080727A	2022-06-14
KR100895225B1	2009-05-04
KR20170135160A	2017-12-08
US20060257742A1	2006-11-16

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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