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Citation: Hao Jin-Ku, Zhao Wei-Jun, Fang Yan-Quan, Zhang Shu-Ji. Alternating Current Conductivity of α-Zirconium Phosphate Mixed with Fumed Silica in Hydrogen Form[J]. Acta Physico-Chimica Sinica, ;1992, 8(04): 567-570. doi: 10.3866/PKU.WHXB19920429 shu

Alternating Current Conductivity of α-Zirconium Phosphate Mixed with Fumed Silica in Hydrogen Form

1.
Chemistry Department, Tianjin Normal University, Tianjin China; Chemistry Department, Nankai University, Tianjin 300071

Received Date: 20 March 1991
Available Online: 15 August 1992

α-layered zirconium phosphate was obtained by direct precipitation method. Composites formed by α-zirconium phosphate and fumed silica were prepared by dispersing predetermined molar ratios of polycrystalline α-zirconium phosphate and fumed silica in water. Admittance measurement of the samples was made in a sealed cell connected to a Hewlett Packard 4192A impedance analyzer in the frequency range from 5 Hz to 1 MHz. All of the samples with varing molar ratios of α-zirconium phosphate to silica at 60%, 40% relative humiditites have the same approximate Arrhenius activation energies, around 48 kJ·mol~(-1), that means the charge transport mechanism was maintained after mixing fumed silica into α-layered zirconium phosphate.
- Zirconium phosphate; Silica; Conductivity
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