CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Title:

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2022/114934

Kind Code:

A1

Abstract:

The present invention relates to: a cathode active material comprising at least one secondary particle including an aggregate of primary macro particles; a manufacturing method therefor; and a lithium secondary battery comprising same. According to one embodiment of the present invention, provided is a cathode active material having an improved capacity retention rate since BET change is controlled according to electrode rolling.

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Inventors:

HAN GI-BEOM (KR)
LHO EUN-SOL (KR)
DO JOONG-YEOP (KR)
PARK KANG-JOON (KR)
KWAK MIN (KR)
PARK SANG-MIN (KR)
LEE DAE-JIN (KR)
LEE SANG-WOOK (KR)
JUNG WANG-MO (KR)

Application Number:

PCT/KR2021/017926

Publication Date:

June 02, 2022

Filing Date:

November 30, 2021

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M4/36; C01G53/00; H01M4/505; H01M4/525; H01M4/62; H01M10/052

Foreign References:

KR101785262B1	2017-10-16
KR20190059249A	2019-05-30
JP2018073481A	2018-05-10
JP2018045802A	2018-03-22
KR20020024521A	2002-03-30
KR20200164872A

Other References: