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首页> 外文期刊>Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry >Numerical simulation of the primary, secondary and tertiary current distributions on the cathode of a rotating cylinder electrode cell. Influence of using plates and a concentric cylinder as counter electrodes
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Numerical simulation of the primary, secondary and tertiary current distributions on the cathode of a rotating cylinder electrode cell. Influence of using plates and a concentric cylinder as counter electrodes

机译：旋转圆柱电极电池阴极上一次，二次和三次电流分布的数值模拟。使用极板和同心圆柱体作为反电极的影响

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Numerical simulations of primary, secondary and tertiary current distributions on the cathode of a rotating cylinder electrode (RCE) cell, using four-plate, six-plate, and a concentric cylinder as counter electrodes, were calculated using the finite element method. Copper electrodeposition from an acidic sulfate electrolyte is used as a test system. Charge transfer kinetics is described by a Tafel approximation while mass transport is considered using a Nernstian diffusion layer expression. The importance of using plates and concentric counter electrodes on RCE cathode is demonstrated. The effects of applied current density and electrode rotation speed on the distribution of current on RCE cathode are analyzed. Electrodeposition experiments with copper enable comparisons with the simulations.
机译：使用有限元方法，以四极板，六极板和同心圆柱体为对电极，对旋转圆柱电极（RCE）电池阴极上的一次，二次和三次电流分布进行了数值模拟。来自酸性硫酸盐电解质的铜电沉积用作测试系统。电荷转移动力学通过Tafel逼近来描述，而传质则使用Nernstian扩散层表达式来考虑。证明了在RCE阴极上使用极板和同心反电极的重要性。分析了施加的电流密度和电极转速对RCE阴极上电流分布的影响。用铜进行的电沉积实验可以与仿真进行比较。

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