Abstract

Magnesium-ion conducting gel polymer electrolytes (GPE) were prepared and their electrochemical properties were characterized. The composition of GPE containing P(VdF- co-HFP), Mg(ClO 4) 2–EC/PC and SiO 2 was optimized in consideration of ionic conductivity and mechanical stability. Solid state magnesium cell employing magnesium anode, GPE, and vanadium oxide cathode was assembled and its cycling characteristics were investigated. The Mg/GPE/V 2O 5 cell showed low initial discharge capacity of 58 mAh/g based on active V 2O 5 material and poor cycling characteristics. At present, the results show that the Mg/GPE/V 2O 5 cell has an inferior cycling performance in comparison with that of well-developed, lithium metal polymer cells.

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