Finding internal parameters

[harish2297]

How can I find out the internal parameters like internal resistance, electrolytic / diffusion resistance and capacitance of a cell ?

[valentinsulzer]

That is the million-dollar question. In general it's very hard and probably the biggest weakness of the kind of models we use in pybamm. I suggest you start by reading https://iopscience.iop.org/article/10.1149/1945-7111/ab9050/meta