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Gel polymer electrolytes based on a copolymer poly(vinylidene fluoride (VdF)/hexafluoropropylene (HFP)) and a solution of ethylene carbonate (EC), diethyl carbonate (DEC) and as a salt LiN(CF 3 SO 2 ) 2 were prepared by changing the content of the polymer in the range 20-80 wt%. The effects of changing the salt concentration in the solution were also explored. The conductivity...
Diffusion coefficients of gel electrolytes composed of lithium salts, LiN(CF 3 SO 2 ) 2 (Imide) and LiN(C 2 F 5 SO 2 ) 2 (BETI), mixed solvent EC/DEC and copolymer PVDF-HFP have been measured using the pulsed-field gradient NMR in order to investigate the conduction mechanisms of the gel electrolytes. The diffusion values depended on the polymer...
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