文档介绍：物理化学学报(WuliHuaxueXuebao)
October ActaPhys. ., 2010,26(10)：2653-2658 ,homogeneousandcompact
PVA/PVP/KOHcompositemembraneswereobtainedwhen m(PVA)颐m(PVP)=
-3 S·cm-1 wasobtainedwhenamassratioof
m(PVA)颐m(PVP)=,themethanoluptakeofthePVA/PVP/KOHmembranesshowedalmost
nochangeafterconditioningatelevatedtemperaturesanditwas4timeslowerthanthatoftheNafion115membrane
afterconditioningat100 ,therefore,promisingsolidalkalineelectrolytemembranesforusein
alkalinedirectmethanolfuelcellsatelevatedoperatingtemperature.
KeyWords： Solidalkalineelectrolytemembrane;Poly(vinylalcohol);Poly(vinylpyrrolidone); Ionic
conductivity; Methanoluptake;Thermalstability
Received:March16,2010;Revised:May9,2010;PublishedonWeb:July15,2010.
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TheprojectwassupportedbythePujiangFoundation(08PJ14096),NaturalScienceFoundationofShanghaiScie