keywords: sensors, electrochemical impedance spectroscopy, electrodiffusion, ion transport, Nernst-Planck-Poisson, Neumann and Dirichlet boundary conditions, method of lines, consistency, liquid junction, binary electrolyte, bi-ionic case, ion selective electrodes

keywords: inverse method, numerical methods, method of lines, diffusion coefficients, Nernst-Planck and Poisson model, cement based materials