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HYSYDAYS<br>1st World Congress of Young Scientists on Hydrogen Energy Systems

ISBN:
1-56700-230-7 (Print)

PRELIMINARY STUDY OF THE INTEGRATION OF A COMMERCIAL METAL HYDRIDE UNIT FOR HYDROGEN STORAGE AND A COMMERCIAL PEM STACK

Luisa Borello
HySyLab – Environment Park Via Livorno, 60 Torino, Italy

Luca Baldini
HySyLab – Environment Park Via Livorno, 60 Torino, Italy

Ilaria Rosso
HySyLab - Environment Park Via Livorno 60 Turin, Italy

Giuseppe Gianolio
HySyLab – Environment Park Via Livorno, 60 Torino, Italy

Massimo Santarelli
Politecnico di Torino, Dipartimento di Energetica Corso Duca degli Abruzzi 24 Torino, Italy

Marco Torchio
Politecnico di Torino Corso Duca degli Abruzzi 24 10129 Torino, Italy

Abstract

In this paper the integration of a commercial metal hydride storage unit with a commercial PEM (Proton Exchange Membrane) stack has been analyzed. A reversible metal hydride requires heat power to release the stored H2 and a PEM stack using a H2 flow produces also heat power. The performances of the storage unit at three different temperatures were tested and the energy request to release the H2 was calculated. At the same time, a commercial PEM stack of 800 W has been tested to analyze the produced electric and thermal power at different current density and operating conditions. Finally, the possibility to feed the PEM stack with the H2 released by the metal hydride unit, using the heat produced by the same stack, was analyzed and discussed.