Out of the box, there is not a quick way to do this. However, there are tools such as the controls system toolbox, system identification toolbox, and RF toolboxes which give you the ability to go between frequency and time domain. We don't have existing exaples to do that. In most cases we usually extract a few time constants for a battery instead of a distribution which we do have better examples of: https://www.mathworks.com/matlabcentral/fileexchange/36019-battery-modeling?s_tid=srchtitle
Regards,
Joel
