Abstract:
Impedance of ionisters (solid-state energy-storage capacitors) is studied. The study is performed in the voltage region where there is no contribution of the Faraday capacitance at low alternating voltages. It is found that the dependence of the impedance hodograph on the magnitude of the alternating voltage is much stronger than that on the applied direct voltage. Interpretation of this effect is proposed that allows for the conduction mechanism of the superionic conductor in a porous carbon matrix. A diagnostic technique is proposed for estimating the prospects of application of particular porous materials in ionisters.
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