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An Anhydrous Proton Conductor Based on Lactam–Lactim Tautomerism of Uracil
Author(s) -
Yamada Masanori,
Honma Itaru
Publication year - 2004
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200301015
Subject(s) - anhydrous , chemistry , proton , electrolyte , proton conductor , doping , tautomer , salt (chemistry) , conductivity , lactam , phosphate , inorganic chemistry , organic chemistry , materials science , optoelectronics , electrode , physics , quantum mechanics
Proton‐conducting composite salts were obtained by doping uracil (U) with monodecyl phosphate (MDP). The proton‐transfer reaction of the composite salt involves the lactam form of U at low MDP doping ratios, and the lactim form at high ratios (see picture). A proton conductivity of 6×10 −4 S cm −1 was achieved at 160 °C under anhydrous conditions, and the material is thus of interest for applications in polymer electrolyte membrane fuel cells.