# How do you calculate a charging current during a square wave potential pulse?

Details I have are the pulse length, pulse amplitude, electrode surface area, distance between electrodes.

Details I have are the pulse length, pulse amplitude, electrode surface area, distance between electrodes.

## All Answers (4)

Porntip Khownarumit· King Mongkut's University of Technology ThonburiRebecca Leese· Brunel UniversityIshan Patel· Linde GroupThis can be done by using EIS techniques. I am sure you would be knowing such techniques.

Once you have modeled an equivalent electrical circuit, you can solve and do Feed-Response analysis as you require. Square wave will give the response similar to the fig. 1 in the attachment: "Figures.PNG".

As an example, the equation for the equivalent electrical circuit for the electrode-electrolyte interface can be of similar to the fig. 2 in the attachment: "Figures.PNG"

I hope this was useful!

Just to end, please compare the experimental and theoretical responses as they may not match sometimes because of errors in the modeling.

Ishan Patel· Linde GroupIn such cases, mathematical equations as like Tafel's and similar others for Kinetics of electrode-electrolyte interface should be used to find current voltage relationships.

Can you help by adding an answer?