IONIC LIQUID SOFTENED POLYMER ELECTROLYTE FOR ZINC ION BATTERIES

A polymer electrolyte includes a polyethylene oxide matrix, a plasticizer additive, a solute, and a filler. The plasticizer additive includes an ionic liquid and the filler includes zinc oxide. An energy storage device includes an anode, a cathode and the polymer electrolyte. An energy storage device includes a zinc anode, a cathode and a polymer electrolyte, in which the polymer electrolyte includes a polyethylene oxide matrix and a plasticizer additive that includes an ionic liquid.