%0 Journal Article %A Moon Jeong Park %A Kenneth H Downing %A Andrew Jackson %A Enrique D Gomez %A Andrew M Minor %A David Cookson %A Adam Z Weber %A Nitash P Balsara %B Nano Letters %D 2007 %G eng %N 11 %P 3547-3552 %R 10.1021/nl072617l %T Increased water retention in polymer electrolyte membranes at elevated temperatures assisted by capillary condensation %V 7 %8 11/2007