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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. shu

Synthesis and Proton Conductivity of Comb-like EVOH Based Single Ion Polymer Electrolyte

DAI Li-Jun ^,

1.
Purchase Testing College, Harbin University Comm., Harbin 150076

Corresponding author: DAI Li-Jun,
Received Date: 22 September 2005
Available Online: 10 March 2006
Fund Project: 黑龙江省青年基金(QC04C08) (QC04C08)黑龙江省教育厅科学技术研究(10551078)资助项目 (10551078)

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).
- EVOH,
- comb-like polymer,
- polymer electrolyte,
- impedance spectroscopy
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