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Superprotonics: New Materials for Energy-Efficient Technologies

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Abstract

One of the most rapidly developing directions in the field of alternative energy sources is hydrogen energetics. Fuel cells, the main component of which is a proton-exchange membrane, facilitate the direct conversion of chemical energy into electrical energy. Superprotonic crystals are promising materials for the creation of proton-exchange membranes of fuel cells and other electrochemical. Multicomponent water–salt growth systems are studied in order to obtain new superprotonic crystals MmHn(AO4)(m + n)/2 ⋅ yH2O (M = K, Rb, Cs, NH4, AO4 = SO4, SeO4, HPO4) and modify the properties of known compounds. The conditions for the growth of a number of new superprotonics are found, and the relationships between their structure and properties are studied.

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Funding

The study was supported by the Ministry of Science and Higher Education of the Russian Federation within the state task of the Crystallography and Photonics Federal Research Center, Russian Academy of Sciences, using equipment of the Central Research Center of the Federal Scientific Research Center (Ministry of Education and Science, project RFMEFI62119X0035). The studies of water–salt growth systems were carried out with the support of the Russian Foundation for Basic Research (project no. 18-32-20 050).

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Crystallography and Photonics Federal Scientific Research Center, Russian Academy of Sciences, 119333, Moscow, Russia

    V. V. Grebenev, I. P. Makarova, E. V. Selezneva, V. A. Komornikov & I. S. Timakov

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  1. V. V. Grebenev
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  2. I. P. Makarova
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  3. E. V. Selezneva
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  4. V. A. Komornikov
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  5. I. S. Timakov
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Correspondence to V. V. Grebenev or V. A. Komornikov.

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Grebenev, V.V., Makarova, I.P., Selezneva, E.V. et al. Superprotonics: New Materials for Energy-Efficient Technologies. J. Surf. Investig. 14, 660–662 (2020). https://doi.org/10.1134/S1027451020040096

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  • DOI: https://doi.org/10.1134/S1027451020040096

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