Title:
CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND CATHODE AND LITHIUM SECONDARY BATTERY, WHICH COMPRISE SAME
Document Type and Number:
WIPO Patent Application WO/2024/005553
Kind Code:
A1
Abstract:
The present invention relates to a cathode active material in a discrete particle form, and to: a cathode active material comprising a lithium composite transition metal oxide in a discrete particle form, the lithium composite transition metal oxide comprising Al, Y and Zr; a preparation method therefor; and a cathode and a lithium secondary battery, which comprise same.
Inventors:
JEONG JIN HOO (KR)
JEONG MYUNG GI (KR)
JU JIN WOOK (KR)
WOO SANG WON (KR)
HWANG JOO KYOUNG (KR)
JUNG JIN HEE (KR)
GU YE HYEON (KR)
JEONG MYUNG GI (KR)
JU JIN WOOK (KR)
WOO SANG WON (KR)
HWANG JOO KYOUNG (KR)
JUNG JIN HEE (KR)
GU YE HYEON (KR)
Application Number:
PCT/KR2023/009069
Publication Date:
January 04, 2024
Filing Date:
June 28, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/525; H01M4/02; H01M4/131; H01M4/36; H01M4/505; H01M10/0525
Foreign References:
| KR20190059241A | 2019-05-30 | |||
| CN111682170B | 2022-05-17 | |||
| KR20220089183A | 2022-06-28 | |||
| KR20210031324A | 2021-03-19 |
Other References:
ZHOU GUISHU, WEI YANWEI, LI HANWEN, WANG CHANGYAO, HUANG XIANWU, YANG DONG: "Al 2 O 3 ‐Coated, Single Crystal Zr/Y co‐Doped High‐Ni NCM Cathode Materials for High‐Performance Lithium‐Ion Batteries", PARTICLE AND PARTICLE SYSTEMS CHARACTERIZATION, VCH, WEINHEIM., DE, vol. 39, no. 7, 1 July 2022 (2022-07-01), DE , XP093124602, ISSN: 0934-0866, DOI: 10.1002/ppsc.202200061
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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