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The influence of a disorder in cation substructure on proton conductivity of imidazolium malonate (Im‐MAL) is studied. Imidazolium in salts with dicarboxylic acids have been found to have a well ordered hydrogen‐bond network and only in Im‐MAL [Pogorzelec‐Glaser et al. (2006). Mater. Sci.‐Pol. (2006), 24, 245–252] were two types of cation observed: ordered Im‐I and disordered Im‐II. Im‐I is involved...
Imidazolium malonate ɱstands out from other proton conducting compounds of nitrogen containing heterocyclic bases with dicarboxylic acids due to a presence of both ordered and disordered imidazolium in the crystal lattice. Our impedance spectroscopy studies of electric conductivity revealed that in the range 273K≤T≤318K the dc conductivity is characterized by an activation energy of Ea1=0.50eV and...
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