In this paper. the Dual Kalman Filter (DKF) is used for the parametric identification of an RC model of a Polymer Electrolyte Membrane Fuel Cell (FC) stack. The identification is performed for diagnostic purposes. starting from time-domain voltage and current signals in the framework of Electrochemical Impedance Spectroscopy (EIS) tests. https://www.spidertattooz.com/Color-Club-Nail-Lacquer-Pure-Energy-0-5-oz-p9629/