Abstract
A novel heteropoly acid salt, Na6[Ni(Mo11ZrO39)]·20H2O, has been synthesized by the means of acidification and adding the reactants into the solution step by step. The heteropoly compound was characterized by elemental analysis, TGA/DSC, infrared spectrum, ultraviolet spectrum, X-ray diffraction, and SEM. Its protonic conduction was measured by the means of the electrochemical impedance spectrum. The results showed that it belongs to the Keggin type, and its conductivity value was 1.23 × 10–2 S/cm at 23°C when the relative humidity was 60%, and the conductivity enhanced with the elevated temperature. Its proton conduction mechanism was in accordance with vehicle mechanism, and the activation energy was 27.82 kJ/mol.
Highlights
A novel heteropoly acid salt, Na6[Ni(Mo11ZrO39)]·20H2O, has been synthesized by the means of acidi cation and adding the reactants into the solution step by step. e heteropoly compound was characterized by elemental analysis, thermogravimetric analysis (TGA)/di erential scanning calorimetry (DSC), infrared spectrum, ultraviolet spectrum, X-ray di raction, and scanning electron microscope (SEM)
Its protonic conduction was measured by the means of the electrochemical impedance spectrum. e results showed that it belongs to the Keggin type, and its conductivity value was 1.23 × 10–2 S/cm at 23°C when the relative humidity was 60%, and the conductivity enhanced with the elevated temperature
We report the synthesis, characterization, conductive property, and conduction mechanism of nickelzircomolybdnum heteropoly acid salt with Keggin-type Na6[Ni (Mo11ZrO39)]·20H2O
Summary
Study on the Synthesize, Characterization, and Conductive Performance of Nickelzircomolybdnum Heteropoly Acid Salt with Keggin Structure. A novel heteropoly acid salt, Na6[Ni(Mo11ZrO39)]·20H2O, has been synthesized by the means of acidi cation and adding the reactants into the solution step by step. We report the synthesis, characterization, conductive property, and conduction mechanism of nickelzircomolybdnum heteropoly acid salt with Keggin-type Na6[Ni (Mo11ZrO39)]·20H2O (abbreviated as NiZrMo). 2. Experiment e heteropoly acid salt, Na6[Ni(Mo11ZrO39)]·20H2O has been synthesized by the means of acidi cation and adding the reactants into the solution step by step according to the procedure described in our previous report [9]. 200 mL aqueous solution of sodium molybdate (10.65 g, 0.044 mol, Na2MoO4·2H2O) was adjusted to pH~6.0 with acetic acid Experiment e heteropoly acid salt, Na6[Ni(Mo11ZrO39)]·20H2O has been synthesized by the means of acidi cation and adding the reactants into the solution step by step according to the procedure described in our previous report [9]. 200 mL aqueous solution of sodium molybdate (10.65 g, 0.044 mol, Na2MoO4·2H2O) was adjusted to pH~6.0 with acetic acid
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