期刊
HIGH PERFORMANCE POLYMERS
卷 26, 期 6, 页码 672-676出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954008314537540
关键词
Gel polymer electrolyte; proton conductor; proton battery; energy density
A proton-conducting film of gel polymer electrolyte, poly(vinylidene fluoride hexafluoropropylene)/poly(methyl methacrylate) + ammonium thiocyanate + ethylene carbonate + propylene carbonate, has been prepared by solution casting technique. The ionic conductivity of the film is in the order of approximately 10(-3) S cm(-1) at room temperature. A proton battery with the configuration zinc + zinc sulfate heptahydrate vertical bar gel electrolyte vertical bar lead oxide + vanadium pentoxide has been fabricated using this film as electrolyte and separator between the electrodes. The battery shows an open circuit voltage of 1.45 V and energy density of approximately 10 Wh kg(-1) at low current drain. The rechargeability of the battery has been observed up to three cycles after which its discharge capacity starts fading.
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