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From an electrochemical impedance spectroscopy (EIS) experiment, you determine that act = 0 . 2V at j = 0 . 5A cm 2 for the

From an electrochemical impedance spectroscopy (EIS) experiment, you determine that act =0.2V at j=0.5Acm2 for the cathode of a PEMFC and that j0 =1 103 Acm2. All else being equal, and assuming simple Tafel-type reaction kinetics, what would act for the cathode of this fuel cell be at j = 1 Acm2?

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