Journal of Sol-Gel Science and Technology

, Volume 86, Issue 2, pp 343–350 | Cite as

Sol-assisted spray-drying synthesis of porous Li3V2(PO4)3/C microspheres as high-activity cathode materials for lithium-ion batteries

  • Xiaoyu Liu
  • Xuejiao Feng
  • Xiaoning Xu
  • Fei Wang
  • Yanming Wang
Original Paper: Fundamentals of sol-gel and hybrid materials processing


Herein, porous Li3V2(PO4)3/C microspheres made of nanoparticles are obtained by a combination of sol spray-drying and subsequent-sintering process. Beta-cyclodextrin serves as a special chelating agent and carbon source to obtain carbon-coated Li3V2(PO4)3 grains with the size of ca. 30–50 nm. The unique porous structure and continuous carbon skeleton facilitate the fast transport of lithium ion and electron. The Li3V2(PO4)3/C microspheres offer an outstanding electrochemical performance, which present a discharge capacity of 122 mAh g−1 at 2 C with capacity retention of 96% at the end of 1000 cycles and a high-rate capacity of 113 mAh g−1 at 20 C in the voltage window of 3.0–4.3 V. Moreover, the Li3V2(PO4)3/C microspheres also give considerable cycling stability and high-rate reversible capacity at a higher end-of-charge voltage of 4.8 V.


Sol spray-drying Beta-cyclodextrin Lithium-ion battery Lithium vanadium phosphate 



The authors thank the National Natural Science Foundation of China (No. 21401061), the Anhui Provincial Natural Science Foundation (No. 1308085QB41), the Key project of Anhui Universities support program for Outstanding Youth (No. gxyqZD2016111), and Anhui Provincial Innovation Team of Design and Application of Advanced Energetic Materials (KJ2015TD003).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Anhui Key Laboratory of Energetic Materials, School of Chemistry and Materials ScienceHuaibei Normal UniversityHuaibeiChina
  2. 2.Institute of Science and Technology StrategyJiangxi Academy of SciencesNanchangChina

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