Science China Materials

, Volume 61, Issue 9, pp 1177–1184 | Cite as

Cu2GeS3 derived ultrafine nanoparticles as high-performance anode for sodium ion battery

  • Lin Fu (付林)
  • Chaoqun Shang (商超群)
  • Jun Ma (马君)
  • Chuanjian Zhang (张传健)
  • Xiao Zang (臧晓)
  • Jingchao Chai (柴敬超)
  • Jiedong Li (李杰东)
  • Guanglei Cui (崔光磊)Email author


Germanium based sulfides are potentially attractive as anode material for sodium ion batteries but rarely investigated. Herein, we firstly investigated Na+ storage properties of pristine Cu2GeS3 (PCGS) and found an effective strategy to improve its performance by a single lithiation/delithiation cycle obtaining ultrafine nanoparticle copper germanium sulfide (NCGS). The lithiation/delithiation process leads to the formation of a stable Li-containing solid electrolyte interphase film and a significant improvement of sodiation kinetics. Therefore, the NCGS anode delivers favorable capacity retention and better rate capability compared with that of a PCGS whether in the half cell or in the full cell, showing great promise for energy storage application.


sodium ion battery nanoparticle copper germanium sulfide anode material full cell 



锗基硫化物作为钠离子电池负极具有潜在的吸引力, 但相关报道甚少. 为此, 我们研究了Cu2GeS3 (PCGS)的储钠性能, 发现通过单次 嵌锂/脱锂循环获得超细纳米微粒铜锗硫(NCGS)是一种改善其储钠性能的有效策略. 嵌锂/脱锂过程能够在材料表面形成一层稳定的含锂 固态电解质相界面膜, 并提高材料的嵌钠动力学. 因此, 与PCGS相比, NCGS在半电池和全电池中都显示出良好的循环性能和倍率性能, 在 能源存储领域具有广阔的应用前景.



Fu L, Shang C and Cui G conceived the experiment and carried out data analysis. Ma J, Zhang C, Zang X, Chai J and Li J assisted in experimental work. All authors contributed to the general discussion.

Supplementary material

40843_2018_9236_MOESM0_ESM.pdf (3.6 mb)
Cu2GeS3 derived ultrafine nanoparticles as high-performance anode for sodium ion battery


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Lin Fu (付林)
    • 1
  • Chaoqun Shang (商超群)
    • 1
  • Jun Ma (马君)
    • 1
  • Chuanjian Zhang (张传健)
    • 1
  • Xiao Zang (臧晓)
    • 1
  • Jingchao Chai (柴敬超)
    • 1
  • Jiedong Li (李杰东)
    • 1
  • Guanglei Cui (崔光磊)
    • 1
    Email author
  1. 1.Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of SciencesQingdaoChina

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