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Lithium Metal Anode Modified by Lithium Acetate In Situ and Its Cycling Stability
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Yuqi CHEN1, Qiang ZHAO1, Yuchuan FENG2, Hongcai HE1, 2
Journal of the Chinese Ceramic Society | 2020, 48(7) : 1055 - 1061
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Journal of the Chinese Ceramic Society | 2020, 48(7): 1055-1061
• Research Articles •
Lithium Metal Anode Modified by Lithium Acetate In Situ and Its Cycling Stability
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Yuqi CHEN1, Qiang ZHAO1, Yuchuan FENG2, Hongcai HE1, 2
Affiliations
  • 1. School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
  • 2.Qingtao (Kunshan) Energy Development Co. Ltd., Qingtao Institute of New Energy Materials, Kunshan 215300, Jiangsu, China

    • CHEN Yuqi (1995-), male, Master candidate. E-mail:

About Author:

CHEN Yuqi (1995-), male, Master candidate. E-mail:

Published: 2020-07-20 doi: 10.14062/j.issn.0454-5648.20200065
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Surface modification and protection of lithium metal are widely regarded as effective methods to improve lithium deposition behaviors as well as suppress lithium dendrites. In this paper, acetic acid gas was used to react with lithium metal to obtain CH3COOLi-Li anode. A lithium acetate passivation film formed on the lithium surface could prevent lithium metal from further reacting with the electrolyte, thus inhibiting lithium dendrite growth during cycling. The lithium battery, lithium copper battery, and lithium cobaltate full battery were assembled for electrochemical characterization of a proposed modified metal anode. The results show that CH3COOLi-Li anode has a better cycle stability performance than pure Li anode. The Coulomb efficiency of lithium copper battery with CH3COOLi-Li anode after 100 cycles remains at 97%, and CH3COOLi-Li/LiCoO2 full battery has a capacity retention rate of 73.5% after 1 000 cycles.

lithium battery  /  lithium metal anode  /  passivation film  /  acetic acid gas  /  lithium acetate
陈昱锜, 赵强, 冯玉川, 何泓材. 原位生成醋酸锂改性金属锂负极及其稳定性. 硅酸盐学报, 2020 , 48 (7) : 1055 -1061 . DOI: 10.14062/j.issn.0454-5648.20200065
Yuqi CHEN, Qiang ZHAO, Yuchuan FENG, Hongcai HE. Lithium Metal Anode Modified by Lithium Acetate In Situ and Its Cycling Stability[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (7) : 1055 -1061 . DOI: 10.14062/j.issn.0454-5648.20200065
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Year 2020 volume 48 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20200065
  • Receive Date：2020-02-10
  • Online Date：2026-10-29
  • Published：2020-07-20
Article Data
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History
  • Received：2020-02-10
  • Revised：2020-02-27
Funding
Affiliations
    1. School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
    2.Qingtao (Kunshan) Energy Development Co. Ltd., Qingtao Institute of New Energy Materials, Kunshan 215300, Jiangsu, China

Corresponding:

HE Hongcai (1980-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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