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Citation: SU Xiu-Li, LIU Hong-Tao, ZHANG Xiao-Gang. Electrochemical Behavior of CoTiO₃ Modified K₂FeO₄ Electrodes[J]. Chinese Journal of Applied Chemistry, ;2004, 21(12): 1249-1252. shu

Electrochemical Behavior of CoTiO₃ Modified K₂FeO₄ Electrodes

1.
College of Chemistry & Chemical Engineering, Xinjiang University, Urumqi 830046

Corresponding author: ZHANG Xiao-Gang,
Received Date: 10 October 2003
Available Online: 8 March 2004
Fund Project:

CoTiO₃ nanoparticles were prepared by a sol-gel method and used for modification of K₂FeO₄ electrodes. The electrochemical tests showed that the modified electrode provided both the longest high discharge plateau and satisfactory discharge capacity with addition of 20%(mass fraction) CoTiO₃. Co(Ⅱ) salt could be oxidized to Co(Ⅲ) by K₂FeO₄, which resulted in the loss of active material K₂FeO₄. However, the presence of Co(Ⅲ) could efficiently improve the discharge plateau of K₂FeO₄ electrodes.
- K₂FeO₄,
- CoTiO₃,
- modified electrode,
- discharge potential
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Electrochemical Behavior of CoTiO₃ Modified K₂FeO₄ Electrodes