Abstract
A VO–flyash composite electrode for a lithium/polymer battery (LPB) was developed. We investigated XRD diffraction and electrochemical properties of vanadium oxide (VO)–flyash composite with polyvinylidene (PVDF)/polyacrylonitrile (PAN)-based polymer electrolyte as a function of mixing ratio. The discharge capacity of VO–flyash with 50 wt.% V 2O 5 in PVDF–PAN–PC 5EC 5iClO 4 electrolyte was 150 and 128 mAh/g at 1 and 10 cycles, respectively. The discharge capacity of VO–flyash with 85 wt.% V 2O 5 was 195 mAh/g at 10 cycles. The capacity retention of VO–flyash anode with 3 wt.% V 2O 5 was higher than that of VO–flyash cathode with 85 wt.% V 2O 5. The VO–flyash with 3 wt.% V 2O 5 composite anode in PVDF/PAN-based electrolyte shows good capacity with cycling.
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