The Cottrell Experiment and Diffusion Limitation 3/3

In this chapter the electrochemical double layer and its features are discussed. The electrochemical double layer acts as a capacitor and every change in the potential of the electrode will induce a capacitive charging current that is caused by physics not by a chemical reaction. This current decays exponentially. 

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Conventional representation of the Cottrell diffusion ͑ current, I ( t

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The Cottrell Experiment and Diffusion Limitation 3/3

Figure 1.1: Cottrell experiment in KCl solution with

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Alternative representation of the Cottrell diffusion according to

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The Cottrell Experiment and Diffusion Limitation 2/3 - The Cottrell Experiment - PalmSens

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5 Mass transport (*diffusion, Fick's laws, Cottrell equation, Nernst diffusion layer)

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