%0 Journal Article
%T PreparationandApplicationofNano-compositePoly(vinylalcohol)GelElectrolyteinElectrochemicalCapacitor
%A 陈？
%A 谭强强
%A 徐宇兴
%J 过程工程学报
%D 2012
%X Anano-compositepolymergelelectrolytewaspreparedusingtitaniumoxidenanowire,poly(vinylalcohol)(PVA),lithiumsaltandorganicsolventN-methyl-2-pyrrolidone(NMP).Theobtainedelectrolytehasthepotentialforapplicationinelectrochemicalcapacitor,thePVAinitisinanamorphousstate.Theionicconductivitiesofelectrolytesincreasedafteradditionofthenanowire,andtheelectrolytewith3%(w)ofnanowireexhibitedthehighestionicconductivityof3.2mS/cmat20℃,asmeasuredbyelectrochemicalimpedancespectroscopy.ThetemperaturedependenceoftheconductivitywasfoundtobeinagreementwiththeArrheniusequation.Functioningasseparatorandelectrolyte,thisnano-compositePVAgelelectrolytewasusedtoassembletheelectrochemicalcapacitorwithactivecarbonfilmaselectrodes.Thecompositingofnanowiremayextendthelifeofelectrochemicalcapacitorsastheykeepmorethan90%oftheircapacitanceafter5000cyclesofcharginganddischarging.
%K nano-composite
%K polymerelectrolyte
%K electrochemicalcapacitor
%K titaniumoxidenanowire
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=16514