Studies on a proton battery using gel polymer electrolyte

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 appro...

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Bibliographic Details
Published in:High performance polymers 2014-09, Vol.26 (6), p.672-676
Main Authors: Mishra, Kuldeep, Hashmi, Safir A., Rai, Devendra K.
Format: Article
Language:English
Subjects:
Battery
Carbonates
Electrolytes
Energy density
Fading
Open circuit voltage
Polymethyl methacrylates
Zinc
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Summary: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 | gel electrolyte | 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−1at low current drain. The rechargeability of the battery has been observed up to three cycles after which its discharge capacity starts fading.
ISSN:0954-0083
1361-6412
DOI:10.1177/0954008314537540