Abstract
In this paper a method for the on-line implementation of the Electrochemical Impedance Spectroscopy (EIS) of fuel cell (FC) systems is described. Differently from the laboratory applications, where the FC stack is analyzed with dedicated instrumentation and in well controlled conditions, the on-board EIS method requires to be properly adapted to the real operating condition of the FC system. In particular, the quality of the analog-front-end hardware used to acquire the FC voltage and current is a critical issue and the switching noise due to the power electronics connected to the FC stack, must be properly faced for obtaining reliable EIS results. The method has been verified by implementing the FC system and the EIS board in a circuital simulator: the numerical results in time domain, that are the FC voltage and current waveforms, have been post processed to calculate the impedance frequency spectrum. The latter has been compared with a FC dynamic model to verify the goodness of the proposed approach. The EIS elaboration chain has been also tested on the BeagleBone Black platform.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
