Cyclic Voltammetry
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2020-03-19 11:46:03
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1.3.1CyclicVoltammetry(循环伏安法)(循环伏安法)(R.S.NicholsonandI.Shain,Anal.Chem.,1964,36,706)Figure1.8Figure1.9Figure1.10Reversiblesystem:Thepeakcurrentforareversiblecouple(at250C)isgivenbyRandles-Sevcikequation:Wherenisthenumberofelectrons,Aistheelectrodearea(incm2),Cistheconcentration(inmol/cm3),Disthediffusioncoefficient(incm2/s),andisthescanrate(inV/s).(1.6)(1.7)(1.8)Figure1.11Q.L.Echegoyenetal,J.Am.Chem.Soc.1992,114,3978IrreversibleandQuasi-reversibleSystems:(1.9)(1.10)Figure1.12不可逆过程电流和电势随扫描速度的变化不可逆过程电流和电势随扫描速度的变化StudyofAdsorptionProcesses(1.11)Figure1.13
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