Modeling of Electrochemical Impedance of Fuel Cell Based on the Novel Nanocomposite Membrane

Mariia Zhyhailo; Iryna Yevchuk; Fedir Ivashchyshyn; Оksana Demchyna; Piotr Chabecki; Natalia Babkina; Tetiana Shantaliy

doi:10.20944/preprints202404.1871.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 28 April 2024 / Approved: 29 April 2024 / Online: 29 April 2024 (10:34:09 CEST)

The new hybrid composite materials for PEM fuel cell were synthesized by UV-polymerization of acrylic monomers (acrylonitrile (AN), acrylic acid (AA), ethylene glycol dimethacrylate (EGDMA)) and sulfo aromatic monomer – sodium styrene sulfonate (SSS), and tetraethoxysilane/3-methacryloxypropyltrimethoxysilane (TEOS/MAPTMS)-based sol-gel system. By means of X-ray spectroscopy fractal structure of the obtained materials was characterized. Proton conductivity and viscoelastic properties of the materials were investigated depending on the content of inorganic component in nanocomposites. On the basis of impedance studies, an equivalent scheme is proposed that successfully describes the proton conductivity in the synthesized composite electrolyte membranes.

fuel cell; impedance spectroscopy; Nyquist diagram; SAXS; proton conductivity; composite membrane

Chemistry and Materials Science, Electrochemistry

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Modeling of Electrochemical Impedance of Fuel Cell Based on the Novel Nanocomposite Membrane

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