中国物理B ›› 2017, Vol. 26 ›› Issue (8): 88202-088202.doi: 10.1088/1674-1056/26/8/088202

• SPECIAL TOPIC—Non-equilibrium phenomena in soft matters • 上一篇    下一篇

Gas treatment protection of metallic lithium anode

Wen-jun Li(李文俊), Quan Li(李泉), Jie Huang(黄杰), Jia-yue Peng(彭佳悦), Geng Chu(褚赓), Ya-xiang Lu(陆雅翔), Jie-yun Zheng(郑杰允), Hong Li(李泓)   

  1. 1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
    2 University of Chinese Academy of Sciences, Beijing 100049, China
  • 收稿日期:2017-05-20 修回日期:2017-05-31 出版日期:2017-08-05 发布日期:2017-08-05
  • 通讯作者: Hong Li E-mail:hli@iphy.ac.cn
  • 基金资助:

    Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB0100100), the National Natural Science Foundation of China (Grants Nos. 52315206 and 51502334), and the Fund from Beijing Municipal Science & Technology Commission, China (Grants No. D171100005517001).

Gas treatment protection of metallic lithium anode

Wen-jun Li(李文俊)1,2, Quan Li(李泉)1,2, Jie Huang(黄杰)1,2, Jia-yue Peng(彭佳悦)1,2, Geng Chu(褚赓)1,2, Ya-xiang Lu(陆雅翔)1, Jie-yun Zheng(郑杰允)1, Hong Li(李泓)1   

  1. 1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
    2 University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-05-20 Revised:2017-05-31 Online:2017-08-05 Published:2017-08-05
  • Contact: Hong Li E-mail:hli@iphy.ac.cn
  • About author:0.1088/1674-1056/26/8/
  • Supported by:

    Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB0100100), the National Natural Science Foundation of China (Grants Nos. 52315206 and 51502334), and the Fund from Beijing Municipal Science & Technology Commission, China (Grants No. D171100005517001).

摘要:

The effects of different coating layers on lithium metal anode formed by reacting with different controlled atmospheres (argon, CO2-O2 (2:1), N2, and CO2-O2-N2 (2:1:3)) have been investigated. The obtained XRD, second ion mass spectroscopy (SIMS), and scanning probe microscope (SPM) results demonstrate the formation of coating layers composed of Li2CO3, Li3N, and the mixture of them on lithium tablets, respectively. The Li/Li symmetrical cell and Li/S cell are assembled to prove the advantages of the protected lithium tablet on electrochemical performance. The comparison of SEM and SIMS characterizations before/after cycles clarifies that an SEI-like composition formed on the lithium tablets could modulate the interfacial stabilization between the lithium foil and the ether electrolyte.

关键词: gas treatment, lithium metal anode, lithium ion battery, lithium protection

Abstract:

The effects of different coating layers on lithium metal anode formed by reacting with different controlled atmospheres (argon, CO2-O2 (2:1), N2, and CO2-O2-N2 (2:1:3)) have been investigated. The obtained XRD, second ion mass spectroscopy (SIMS), and scanning probe microscope (SPM) results demonstrate the formation of coating layers composed of Li2CO3, Li3N, and the mixture of them on lithium tablets, respectively. The Li/Li symmetrical cell and Li/S cell are assembled to prove the advantages of the protected lithium tablet on electrochemical performance. The comparison of SEM and SIMS characterizations before/after cycles clarifies that an SEI-like composition formed on the lithium tablets could modulate the interfacial stabilization between the lithium foil and the ether electrolyte.

Key words: gas treatment, lithium metal anode, lithium ion battery, lithium protection

中图分类号:  (Lithium-ion batteries)

  • 82.47.Aa
65.40.gk (Electrochemical properties) 82.45.Fk (Electrodes)