Journal
MATERIALS LETTERS
Volume 302, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130372
Keywords
Heteropoly acid; Protonic conductivity; Conduction mechanism; Energy storage and conversion
Funding
- National Key Research and Development Program of China [2016YFB0901600]
- Zhejiang Provincial Natural Science Foundation of China [LY18B010001]
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H5PW10V2O40.15H2O is a high-protonic conductor with excellent protonic conductivity, following the Vehicle mechanism, and shows increased conductivity at higher temperatures.
A typical high-protonic conductor, a kind of vanadium-substituted heteropoly acid, H5PW10V2O40.15H2O, is synthesized with characterization and its proton conductive behavior also has been investigated. At 18 degrees C with 80% relative humidity, the protonic conductivity of H5PW10V2O40.15H2O is 1.27 x 10-2 S.cm- 1, an excellent protonic conductor. The proton conduction's activation energy is 25.41 kJ.mol- 1, implying it following Vehicle mechanism. Higher temperature can accelerate the conductivity of H5PW10V2O40.15H2O during the measured range.
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