Abstract
This article deals with the synthesis of sulfonated poly arylene ether ketones (SPEK-1 and SPEK-2) random copolymers via the direct copolymerization method as a polymer electrolyte membrane for fuel cell application. These copolymers were prepared via nucleophilic condensation reaction of 4,4′-bis(4-hydroxyphenyl) valeric acid (DPA), dichlorobenzophenone (DCDPK), and sulfonated naphthalene/sulfonated BPA monomers and characterized by FT-IR and 1H-NMR spectroscopic techniques. The crosslinking of the carboxylic acid group bearing valeric acid was done by polyvinylalcohol (PVA) in order to obtain a dimensionally stable membrane. The morphological and structural examination of the crosslinked membranes was carried out by FT-IR, SEM, and XRD techniques. The fuel cell-related parameters such as water uptake, ion exchange capacity, proton conductivity, and oxidative stability were determined and have been discussed in this article.
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Dhiman, R., Kiran, V., Gaur, B. et al. Impact of PVA modified sulfonated poly (arylene ether ketone) copolymers as proton exchange membranes on fuel cell parameters. J Chem Sci 133, 36 (2021). https://doi.org/10.1007/s12039-021-01905-6
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DOI: https://doi.org/10.1007/s12039-021-01905-6