Citation:
DAI Li-Jun. Synthesis and Proton Conductivity of Comb-like EVOH Based Single Ion Polymer Electrolyte[J]. Chinese Journal of Applied Chemistry,
;2006, 23(9): 1014-1018.
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A comb-like EVOH based single ion polymer electrolyte(EVOH-g-nSPEG) was synthesized by a two-step reaction.The main chain of the comb-like polymer consists of polyethylene segments;the side chains consists of poly(ethylene glycol)(PEG) segments.The structure of EVOH-g-nSPEG was studied by FTIR.The proton conductivity of the hydrated membrane was also measured by a.c.impedance.The comb-like EVOH-g-nSPEG polymer electrolyte grafted with 2 PEG side chains provides the highest proton conductivity (1.65×10-3 S/cm).
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Keywords:
- EVOH,
- comb-like polymer,
- polymer electrolyte,
- impedance spectroscopy
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