The liquid–liquid interface between two immiscible electrolyte solutions is an important subject in electrochemistry because ion-transfer reactions can be controlled externally. The electrochemical potentials of ions determine their behavior in a liquid–liquid two-phase system. The electrochemical potential is a continuous function of the system assuming a linear transition region at the interface. A simulation model that considers the electrochemical potential of all ions in the system was constructed for the liquid–liquid interface under electrochemical-measurement conditions. This model facilitates evaluating ion-transfer voltammograms affected by drops and separating charging currents from Faraday currents. Moreover, the model enables electrocapillary curves to be determined.

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基于系统中所有离子的电化学势模拟跨液-液界面的离子转移和电毛细管现象

两种不混溶电解质溶液之间的液-液界面是电化学中的一个重要课题，因为离子转移反应可以从外部控制。离子的电化学势决定了它们在液-液两相系统中的行为。电化学势是系统的连续函数，假设界面处有线性过渡区域。针对电化学测量条件下的液-液界面，构建了考虑系统中所有离子的电化学势的模拟模型。该模型有助于评估受液滴影响的离子转移伏安图，并将充电电流与法拉第电流分开。此外，该模型还可以确定电毛细管曲线。