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[交流] 为什么CV峰电流与扫速的平方根成线性关系,说明反应是扩散控制?

求助大佬,CV曲线中随着电势的升高,为什么电流会出现峰值,而不是持续增大? 是因为反应物耗尽了吗? 还是因为此时是扩散控制所以存在最大极限电流? 那后续的电流衰减与时间的关系是否满足菲克第二扩散定律?  能否提供下相关的文献?

为什么峰电流与扫速的平方根成线性关系就说明此时反应是扩散控制?  Randles-Savcik方程是如何推导的? 能否推荐一下相关证明的文献? 谢谢各位大佬~~
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