Hi there,

I am trying to simulate the performance of a gas sensor based on electrolytes.

I need to apply both Cyclic voltammetry and time-dependent current density to analyze it. I am new to this software and can only learn this through some example project.

I tried to follow "https://www.comsol.com/model/cyclic-voltammetry-at-a-macroelectrode-in-1d-12849#:~:text=The%20purpose%20of%20the%20app,voltage%20window%20and%20scan%20rate." to do the cv analysis and it worked.

The problem is, I cannot figure out how to do the time-dependent current density changing simulation. It seems I cannot define a parameter or variable using functions including time.

It will help a lot if someone used to do this can tell me which physics I need. An example project will be excellent!

Thank you!