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Title of Journal: J Solid State Electrochem

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Abbravation: Journal of Solid State Electrochemistry

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Springer-Verlag

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DOI

10.1007/bf02578015

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1433-0768

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Voltammetry at spatially heterogeneous electrodes

Authors: Trevor J Davies Craig E Banks Richard G Compton
Publish Date: 2005/06/01
Volume: 9, Issue: 12, Pages: 797-808
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Abstract

Recent advances are overviewed which enable simulation of the voltammetric behaviour of surfaces which respond in an electrochemically spatially heterogeneous fashion By use of the concept of a “diffusion domain” computationally expensive threedimensional simulations may be reduced to tractable twodimensional equivalents In this way the electrochemical response of partially blocked electrodes and microelectrode arrays may be predicted and are found to be consistent with experimental data It is furthermore possible to adapt the “blocked” electrode analysis to enable the voltammetric sizing of inert particles present on an electrode surface Finally theory of this type predicts the voltammetric behaviour of electrochemically heterogeneous electrodes—for example composites whose different spatial zones display contrasting electrochemical behaviour toward the same redox couple

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  15. Development of nano IrO 2 composite-reinforced nickel–phosphorous electrodes for hydrogen evolution reaction
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