首页|Recent advances in solving Li2CO3 problems in garnet-based solid-state battery:A systematic review(2020-2023)

Recent advances in solving Li2CO3 problems in garnet-based solid-state battery:A systematic review(2020-2023)

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Garnet solid electrolytes are one of the most promising electrolytes for solid-state batteries.However,Li2CO3 is a critical issue that hinders the practical application of garnet-based solid-state lithium-ion bat-teries.There are two sources of Li2CO3 contamination.The main one is the aging of garnet electrolytes in the atmosphere.Garnet electrolytes can react with H2O and CO2 in the air to form Li2CO3,which reduces ion conductivity,increases electrode/garnet electrolyte interface resistance,and deteriorates the electro-chemical performance of the battery.Various strategies,such as elemental doping,grain boundary manipulation,and interface engineering,have been suggested to address these issues.The other is the passivation layer(Li2CO3,Li3N,LiOH,Li2O)formed on the surface of the lithium foil after long-term stor-age,which is ignored by most researchers.To better understand the current strategies and future trends to address the Li2CO3 problem,this perspective provides a systematic review of journals published in this field from 2020-2023.

Solid-state batteriesGarnet electrolytesAir stabilityInterface engineeringLithium foil contamination

Shaoxiong Han、Ziqi Wang、Yue Ma、Yanlan Zhang、Yongzhen Wang、Xiaomin Wang

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College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China

Shanxi Joint Laboratory of Coal based Solid Waste Resource Utilization and Green Ecological Development,Taiyuan 030024,Shanxi,China

Central Government Guides Local Science and Technology Development Special Fund ProjectsShanxi Province Science and Technology Major Projects

YDZJSX2022B003202101120401008

2024

10.1016/j.jechem.2023.10.040

能源化学
中国科学院大连化学物理研究所 中国科学院成都有机化学研究所

能源化学

CSTPCDEI
影响因子：0.654
ISSN：2095-4956
年,卷(期)：2024.90(3)
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