Non-humidified fuel cells using a deep eutectic solvent (DES) as the electrolyte within a polymer electrolyte membrane (PEM): the effect of water and counterions.

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2020
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Abstract
In this research, deep eutectic solvents (DESs) were prepared and employed as the electrolyte in Nafion membranes. Different factors, such as the water content and Nafion counterions (H+, Li+, Na+ and K+), which could influence the PEM performance, were evaluated. The obtained results showed that the presence of water may have a constructive or destructive effect on the DES and Nafion/DES properties, which should be considered for their final applications. Also, the electronegativity of the counterion can significantly influence the Nafion/DES proton conductivity. The prepared Nafion/DES composite membranes showed superconducting properties as a result of a Grotthuss-like mechanism for proton conduction. The conductivities of the prepared membranes were compared to those of other membranes based on an upper bound concept, which showed the potential use of DESs as a promising alternative to conventional ionic liquids. Finally, the fuel cell performances of the prepared membranes at different temperatures were evaluated.
Reference Key
karimi2020nonhumidifiedphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Karimi, Mohammad Bagher;Mohammadi, Fereidoon;Hooshyari, Khadijeh;
Journal Physical chemistry chemical physics : PCCP
Year 2020
DOI
10.1039/c9cp06207f
URL
Keywords
gpcr long chain fatty acid receptor metabolite receptors metabolite signaling structure-based drug discovery succinate receptor

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