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催化学报  2012 

ElectrocatalyticOxidationofMethanolandEthanolbyCarbonCeramicElectrodeModifiedwithNi/AlLDHNanoparticles

DOI: 10.1016/S1872-2067(11)60452-X, PP. 1809-1816

Keywords: nickel,aluminium,layereddoublehydroxide,modifiedcarbonceramicelectrode,electrocatalyticoxidation,methanol,ethanol

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Abstract:

？ANi/Allayereddoublehydroxide(LDH)nanoparticlemodifiedcarbonceramicelectrode(Ni/AlLDH/NMCC)wasfabricatedandusedfortheelectrocatalyticoxidationofmethanolandethanolinalkalinemedia.Cyclicvoltammetric(CV)studiesshowedthatitgaveasignificantlyhigheractivityformethanolandethanoloxidationandcanbeusedasanelectrocatalyticanodeforfuelcells.Thekineticparametersoftheelectrontransfercoefficient(α)andnumberofelectronsinvolvedintheratedeterminingstep(nα)fortheoxidationofmethanolandethanolweredeterminedusingCV.Theanodiccurrentsshowedalineardependenceontheconcentrationofmethanolandethanol.

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