Diffusion on a Macro-Electrode

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Consider a large macro-electrode, about 1 cm in diameter. The diffusion at its edge is negligible and the flux over its surface can be considered homogeneous. Therefore you can use the 1D diffusion equation to simulate its behavior. This Demonstration shows the concentration profile over the surface of a macro-electrode as a function of the diffusion coefficient and time.

Contributed by: Quang-Dao Trinh (March 2011)
Open content licensed under CC BY-NC-SA




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