| 摘 要： | The composite of α-ZrP and fumed silica was prepared by dispersing predetermined molar ratios of polycrystalline α-ZrP in water. Admittance measurement of the samples was made in the frequence range from 5Hz to 1MHz and the temperature range from -20℃ to 20℃. The activation energy in conduction of the composites, with different molar fraction of α-ZrP, is about 5. 9KJ/moL at 60% and 40 % relative humidities. The results show that the charge transport mechanism was not changed after mixing fumed silica into α-ZrP and the charge transport medium is water in α-ZrP and the composites.
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