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Multi-scan cyclic voltammetry of a solution containing mixed valence states
Journal of Solid State Electrochemistry ( IF 2.5 ) Pub Date : 2019-11-16 , DOI: 10.1007/s10008-019-04431-1
Keith B Oldham , Jan C Myland

When both members of a redox pair are present in a voltammetric cell, the applied signal must start at the null potential if pure cyclic voltammetry is to be conducted. Here the current from a limitless number of repetitive cyclic scans is predicted mathematically for any initial reductant to oxidant ratio. The predictions were prompted by, and are compared with, published experiments. Some simplifying conditions are imposed: the reaction is reversible; the redox pair share the same diffusivity; the reversal potentials are symmetrically disposed with respect to the halfwave potential.



中文翻译:

含混合价态溶液的多扫描循环伏安法

当伏安电池中同时存在氧化还原对的两个成员时,如果要进行纯循环伏安法,则施加的信号必须从零电位开始。在这里,从数学上预测了无限量的重复循环扫描产生的电流,以计算任何初始的还原剂与氧化剂之比。这些预测是由已发布的实验提示的,并与已发布的实验进行了比较。施加了一些简化条件:反应是可逆的;反应是可逆的。氧化还原对具有相同的扩散率;反转电位相对于半波电位对称地配置。

更新日期:2019-11-16
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