Acta Phys. -Chim. Sin. ›› 1997, Vol. 13 ›› Issue (10): 890-897.doi: 10.3866/PKU.WHXB19971006

• ARTICLE • Previous Articles     Next Articles

Electrochemical Impedance Spectroscopy(EIS) of Metal Hydride Electrode and its Mathematical Model

Leng Yong-Jun,Cheng Saho-An,Zhang Jian-Qing,Cao Chu-Nan,Wang Chun-Sheng   

  1. Department of Chemistry,Department of Physics,Zhejiang University,Hangzhou 310027
  • Received:1997-03-10 Revised:1997-04-21 Published:1997-10-15
  • Contact: Zhang Jian-Qing

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Abstract:

A mathematical model for electrochemical impedance spectroscopy (EIS) of metal hydride electrode bas been proposed. This model predicts how some parameters such as the capacitance of electrical double layer Cd1, the diffusion coefficient D, the equilibrium constant Keq and the rate constant of adsorption reaction, the depth of discharge (DOD) affect the electrochemical impedance spectroscopy (EIS) of metal hydride electrode. Moreover, this model is consistent with experimental results.

Key words: Electrochemical impedance spectroscopy(EIS), Metal hydride electrode