Polyvinyl alcohol(PVA)-sodium polyacrylate(PAAS)-KOH-H2O alkaline polymer electrolyte film with high ionic conductivity was prepared by a solution-casting method.Polymer Ni(OH)2/activated carbon(AC) hybrid supercapacitors with different electrode active material mass ratios(positive to negative) were fabricated using this alkaline polymer electrolyte,nickel hydroxide positive electrodes,and AC negative electrodes.Galvanostatic charge/discharge and electrochemical impedance spectroscopy(EIS) methods were use...
【英文摘要】
Polyvinyl alcohol(PVA)-sodium polyacrylate(PAAS)-KOH-H2O alkaline polymer electrolyte film with high ionic conductivity was prepared by a solution-casting method.Polymer Ni(OH)2/activated carbon(AC) hybrid supercapacitors with different electrode active material mass ratios(positive to negative) were fabricated using this alkaline polymer electrolyte,nickel hydroxide positive electrodes,and AC negative electrodes.Galvanostatic charge/discharge and electrochemical impedance spectroscopy(EIS) methods were use...
【基金】
Supported by Leading Academic Discipline Project of Shanghai Municipal Education Commission (J50102)
【更新日期】
2009-03-20
【分类号】
TM53
【正文快照】
1 INTRODUCTION As a charge storage device, electrochemical su-percapacitor has the advantages of higher energy den-sity than conventional electrostatic capacitor and higher power density than commonly used rechargeable bat-tery, as well as long cycle life
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