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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.

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:
KR101785262B12017-10-16
KR20190059249A2019-05-30
JP2018073481A2018-05-10
JP2018045802A2018-03-22
KR20020024521A2002-03-30
KR20200164872A
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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