This paper compares hydrogen production by photovoltaic powered electrolysis of water at sea level and at low stratospheric altitudes up to 21 km. All the hydrogen production process has been considered from catchable solar radiation to storage technologies. The evaluation has been performed for 1 m2 of flat horizontal plane. It has been considered the electric energy amount produced by considering the equilibrium temperature of PV modules and its evolution due to external temperature and solar radiation. Hydrogen production through electrolysis has been evaluated too. Two different methods of hydrogen storage have been evaluated: high pressure compression up to 20 MPa and liquefaction process. The energetic cost of both production processes has been evaluated. The comparison is presented in terms of effective energy deliverable to final users considered in terms of HHV. This evaluation considers also, in the case of liquefaction process the energy which can be recovered by the regasification process.

PHOTOVOLTAIC PRODUCTION OF HYDROGEN AT STRATOSPHERIC ALTITUDES / Dumas, Antonio; Trancossi, Michele; Anzillotti, Stefano; Madonia, Mauro. - In: JOURNAL OF SOLAR ENERGY ENGINEERING. - ISSN 0199-6231. - STAMPA. - SOL-11-1174:(2012), pp. 135-145. [10.1115/1.4007357]

PHOTOVOLTAIC PRODUCTION OF HYDROGEN AT STRATOSPHERIC ALTITUDES

DUMAS, Antonio;TRANCOSSI, MICHELE;ANZILLOTTI, STEFANO;MADONIA, MAURO
2012

Abstract

This paper compares hydrogen production by photovoltaic powered electrolysis of water at sea level and at low stratospheric altitudes up to 21 km. All the hydrogen production process has been considered from catchable solar radiation to storage technologies. The evaluation has been performed for 1 m2 of flat horizontal plane. It has been considered the electric energy amount produced by considering the equilibrium temperature of PV modules and its evolution due to external temperature and solar radiation. Hydrogen production through electrolysis has been evaluated too. Two different methods of hydrogen storage have been evaluated: high pressure compression up to 20 MPa and liquefaction process. The energetic cost of both production processes has been evaluated. The comparison is presented in terms of effective energy deliverable to final users considered in terms of HHV. This evaluation considers also, in the case of liquefaction process the energy which can be recovered by the regasification process.
SOL-11-1174
135
145
PHOTOVOLTAIC PRODUCTION OF HYDROGEN AT STRATOSPHERIC ALTITUDES / Dumas, Antonio; Trancossi, Michele; Anzillotti, Stefano; Madonia, Mauro. - In: JOURNAL OF SOLAR ENERGY ENGINEERING. - ISSN 0199-6231. - STAMPA. - SOL-11-1174:(2012), pp. 135-145. [10.1115/1.4007357]
Dumas, Antonio; Trancossi, Michele; Anzillotti, Stefano; Madonia, Mauro
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/761079
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