Frontiers of Materials Science

, Volume 12, Issue 2, pp 147–155 | Cite as

High performance sandwich structured Si thin film anodes with LiPON coating

  • Xinyi Luo
  • Jialiang Lang
  • Shasha Lv
  • Zhengcao Li
Research Article


The sandwich structured silicon thin film anodes with lithium phosphorus oxynitride (LiPON) coating are synthesized via the radio frequency magnetron sputtering method, whereas the thicknesses of both layers are in the nanometer range, i.e. between 50 and 200 nm. In this sandwich structure, the separator simultaneously functions as a flexible substrate, while the LiPON layer is regarded as a protective layer. This sandwich structure combines the advantages of flexible substrate, which can help silicon release the compressive stress, and the LiPON coating, which can provide a stable artificial solid-electrolyte interphase (SEI) film on the electrode. As a result, the silicon anodes are protected well, and the cells exhibit high reversible capacity, excellent cycling stability and good rate capability. All the results demonstrate that this sandwich structure can be a promising option for high performance Si thin film lithium ion batteries.


sandwich anode LiPON coating flexible substrate silicon anode 


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The authors are grateful to the financial support of the National Natural Science Foundation of China (under Grant No. 61176003).


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Xinyi Luo
    • 1
  • Jialiang Lang
    • 1
  • Shasha Lv
    • 1
  • Zhengcao Li
    • 2
  1. 1.State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and EngineeringTsinghua UniversityBeijingChina
  2. 2.Key Laboratory of Advanced Materials (MOE), School of Materials Science and EngineeringTsinghua UniversityBeijingChina

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