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Communication

Superior Electrochemical Performance and Storage Mechanism of Na3V2(PO4)3 Cathode for Room-Temperature Sodium-Ion Batteries

  1. Zelang Jian1,2,†,
  2. Wenze Han1,3,†,
  3. Xia Lu1,†,
  4. Huaixin Yang1,
  5. Yong-Sheng Hu1,*,
  6. Jing Zhou2,
  7. Zhibin Zhou4,
  8. Jianqi Li1,
  9. Wen Chen2,*,
  10. Dongfeng Chen3,*,
  11. Liquan Chen1

Article first published online: 23 OCT 2012

DOI: 10.1002/aenm.201200558

Issue

Advanced Energy Materials

Advanced Energy Materials

Volume 3, Issue 2, pages 156–160, February, 2013

Additional Information

How to Cite

Jian, Z., Han, W., Lu, X., Yang, H., Hu, Y.-S., Zhou, J., Zhou, Z., Li, J., Chen, W., Chen, D. and Chen, L. (2013), Superior Electrochemical Performance and Storage Mechanism of Na3V2(PO4)3 Cathode for Room-Temperature Sodium-Ion Batteries. Adv. Energy Mater., 3: 156–160. doi: 10.1002/aenm.201200558

Author Information

  1. 1

    Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

  2. 2

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China

  3. 3

    China Institute of Atomic Energy, Beijing 102413, China

  4. 4

    School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

  1. †

    These authors contributed equally to this work.

*Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Publication History

  1. Issue published online: 7 FEB 2013
  2. Article first published online: 23 OCT 2012
  3. Manuscript Revised: 21 AUG 2012
  4. Manuscript Received: 24 JUL 2012

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Keywords:

  • Na3V2(PO4)3;
  • sodium-ion batteries;
  • storage mechanism;
  • in situ XRD
Thumbnail image of graphical abstract

A Na3V2(PO4)3/C composite with 3.8 wt.% carbon, which was synthesized by a one-step solid state reaction, exhibits Na storage capacity of 107 mAh g−1 and high coulombic efficiency of 99.8% in a new NaFSI/PC electrolyte. In situ XRD results reveal its sodium storage mechanism as a typical two-phase reaction from the Na3V2(PO4)3 to NaV2(PO4)3 phases with 8.26% volume variation. These desired properties make it very promising for application in room-temperature sodium- ion batteries.

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