Abstract
Proton conducting membranes based on a perfluorinated copolymer with short side chains (of the Aquivion® type) are promising for the use in hydrogen fuel cells and overcome in characteristics traditionally used long-chain membranes of the Nation® type. To improve the characteristics of Aquivion® membranes, we used modifying additives in the form of functionalized nanodiamonds. The mechanism of proton conductivity of composite membranes with nanodiamonds is modified by introducing additional ionogenic groups into the structure on the surface of nanodiamonds. The dependences of the conductivity and mechanical properties of the prepared composite membranes on the sign of the surface charge of the introduced nanodiamonds are examined.
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Based on the materials of the VIII All-Russian Kargin Conference “Polymers-2020” (November 9–13, 2020, Moscow, Russia).
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1713–1717, September, 2021.
This work was financially supported by the Ministry of Education and Science of the Russian Federation (Project No. 121040200129-2). The authors (Yu. V. Kulvelis, A. V. Shvidchenko, E. B. Yudina, V. T. Lebedev, and A. Ya. Vul) are grateful to the Russian Foundation for Basic Research for partial support of the present studies (Project No. 19-03-00249 A).
This paper does not contain descriptions of studies on animals or humans.
The authors declare no competing interests.
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Kulvelis, Y.V., Primachenko, O.N., Gofman, I.V. et al. Modification of the mechanism of proton conductivity of the perfluorinated membrane copolymer by nanodiamonds. Russ Chem Bull 70, 1713–1717 (2021). https://doi.org/10.1007/s11172-021-3274-4
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DOI: https://doi.org/10.1007/s11172-021-3274-4