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1 个结果
  • 简介:Nickelhydroxidedopedwithmulti-wallcarbonnanotubes(MCNTs)wassynthesizedbychemicalcoprecipitationmethod.TheMCNTsdopednickelhydroxidewasusedastheelectrochemicalactivematerialinthepositiveelectrodesofrechargeablealkalinebatteries.ThepowderX-raydiffraction(XRD)analysisshowsthattheadditionofMCNTsinducesmorestructuraldefectwithinthecrystallatticeofthenickelhydroxide.Thecyclicvoltammetry(CV)andelectrochemicalimpedancespectroscopy(EIS)testsdemonstratethebetterreactionreversibilityandlowerelectrochemicalimpedanceofMCNTsdopednickelhydroxideascomparedwiththepurenickelhydroxide.Thecharge/dischargetestsshowthatMCNTsadditioncanimprovethespecificdischargecapacityandincreasethedischargevoltageofthenickelhydroxideelectrode.

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