Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/063785
Kind Code:
A1
Abstract:
The present invention relates to a lithium secondary battery comprising: an electrode assembly in which a cathode plate, an anode plate, and a separator interposed between the cathode plate and the anode plate are wound in one direction; a battery can in which the electrode assembly is accommodated; and a sealing body for sealing an open end of the battery can, wherein the cathode plate comprises a cathode active material layer, wherein the cathode active material layer comprises a single-particle and/or quasi-single-particle cathode active material having an average particle diameter D50 of 5 μm or less.
Inventors:
LEE BYOUNG GU (KR)
RYU DUK HYUN (KR)
LEE KWAN HEE (KR)
LEE MYUNG AN (KR)
KIM SUE JIN (KR)
RYU DUK HYUN (KR)
LEE KWAN HEE (KR)
LEE MYUNG AN (KR)
KIM SUE JIN (KR)
Application Number:
PCT/KR2022/015624
Publication Date:
April 20, 2023
Filing Date:
October 14, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/0587; H01M4/131; H01M4/36; H01M4/38; H01M4/48; H01M4/505; H01M4/525; H01M4/587; H01M10/052; H01M50/533
Foreign References:
| KR20200041625A | 2020-04-22 | |||
| KR20210047755A | 2021-04-30 | |||
| JP6734491B1 | 2020-08-05 | |||
| KR20190139033A | 2019-12-17 | |||
| KR20200059164A | 2020-05-28 | |||
| KR20210136709A | 2021-11-17 | |||
| KR20220049184A | 2022-04-21 | |||
| KR20220121173A | 2022-08-31 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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