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Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/085583
Kind Code:
A1
Abstract:
The present specification provides a secondary battery comprising a cathode, an anode, a separator and an electrolyte, wherein the anode comprises an anode active material layer, the anode active material layer comprises SiOβ (0 <β < 2) oxide and a carbon-based active material, the cathode comprises a cathode active material layer, the cathode active material layer comprises an elementary particle active material of which the average particle diameter (D50) is 3 ㎛ to 10 ㎛ and a large particle active material of which the average particle diameter (D50) is 8 ㎛ to 20 ㎛, and the porosity of the cathode active material layer is 19 % to 23 %.

Inventors:
KIM SANGHO (KR)
OH SANG SEUNG (KR)
Application Number:
PCT/KR2023/015995
Publication Date:
April 25, 2024
Filing Date:
October 17, 2023
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/36; H01M4/02; H01M4/48; H01M4/505; H01M4/525; H01M4/587; H01M10/052
Foreign References:
KR20200071624A2020-06-19
KR20060060609A2006-06-05
KR20220128137A2022-09-20
KR20110066592A2011-06-17
KR20190052681A2019-05-16
Attorney, Agent or Firm:
CHOI, Hee-Kyeong (KR)
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