Chinese Journal of Applied Chemistry

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MoO3/Activated Carbon Sodium-ion Electrochemical Capacitors

ZHAO Liping, QI Li, WANG Hongyu*   

  1. (State Key Laboratory of Electroanalytical Chemistry,Changchun Institute of
    Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China)
  • Received:2012-12-03 Revised:2013-01-18 Published:2013-10-10 Online:2013-10-10
  • Contact: Wang

Abstract: Hybrid electrochemical capacitors composed with molybdenum trioxide as negative materials and activated carbon as positive materials were studied in 1 mol/L NaPF6-propylene carbonate(PC). The voltage window of the electrochemical capacitors is in the range of 0~3 V, the energy density and power density is 33.0 W·h/kg and 595.6 W/kg respectively, the capacity is reduced to 93.8% after 1000 cycles compared with the 20th cycle, and the coulombic efficiency reaches 95.1% of the value of the 20th cycle.

Key words: molybdenum trioxide, activated carbon, sodium-ion, electrochemical capacitors

CLC Number: