Thermoelectric power of superionic conductor Ag7I4VO4 |
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| Affiliation: | 1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China;2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China;3. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China;4. Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China;5. China Spallation Neutron Source, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China;1. School of Material ＆ Chemical Engineering, Ningbo University of Technology, Ningbo 315016, China;2. School of Chemical Engineering ＆ Technology, China University of Mining and Technology, Xuzhou 221116, China;3. Commercial School, Zhejiang Fashion Institute of Technology, Ningbo 315211, China;4. Multidisciplinary Computational Laboratory, Department of Electrical and Biomedical Engineering, Hanyang University, Seoul 04763, South Korea;5. Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow 413026, Russia;1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Thermoelectric power studies on Ag7I4VO4. superionic conductor have been carried out in the temperature range 25 to 60°C. Thermo-electric power is found to vary linearly with the inverse of the absolute temperature, and can be expressed by the equation −θ = [(0.182 × 103/T) + 0.276] mV/K. The heat of transport is nearly equal to the activation energy of Ag+ ion migration calculated from the conductivity plots indicating that the material has an average structure. |
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