Parliamo dell'idrogeno generato per scissione dell'acqua utilizzando la sola radiazione solare il combustibile dell'imminente futuro.
Lo sostengono i ricercatori italiani del gruppo di ricerca di Mario Pagliaro al Cnr e quelli greci guidati da Athanasios Konstandopoulos in uno studio pubblicato oggi dalla rivista Energy and Environmental Science. Konstandopoulos, ingegnere chimico direttore del Laboratorio APT di Tessalonica, coordina il progetto di ricerca comunitario Hydrosol per cui ha recentemente ottenuto il premio "Cartesio" della Commissione europea.
Pagliaro, chemical, Palermo coordinating the activities' of the PV Polo Sicily. Two approaches suggested by the authors: the concentration of the radiation quantities to generate 'massive profits hydrogen to fuel industries and population centers. And the use of photovoltaic panels coupled with an electrolyzer to generate hydrogen for use as fuel for on-demand use by boats or cars.
"The technologies are two - Pagliaro says - 'cause there are two uses of hydrogen fuel required by the market. And in both cases and' nanochemistry was the application of technologies for converting solar radiation to make possible the goals now make convenient from an economic standpoint. " "Using the heat, that 'all the solar energy - adds Konstandopoulos - efficiency and' much more 'high PV. Using only water and storing energy in the form of hydrogen, we solve the problem of intermittency of light Sun. And since the main cost item Hydrosol and 'set up by the heliostats whose price is falling rapidly, within 3 years the price of electricity' solar-generated hydrogen will be 'less than 6 cents per kilowatt hour. "
The study examines both the technologies and shows how solar hydrogen-based economy is now a real opportunity 'for economic development and environmental remediation. The authors cite one other case dell'idrogenodotto Arezzo, the boat sold by Frauscher Riviera P 600, and the hydrogen power plant operated by Enel in Porto Marghera. In the European technology
Hydrosol solar energy is concentrated by means of mirrors called heliostats on a catalytic material that already 'at 800 ° C and' able to split water into hydrogen and oxygen in a closed thermochemical process with high efficiency. The main discovery 'was that of catalytic nanomaterials. In the photovoltaic generation of hydrogen, the main cost for water splitting and 'now due to the platinum used nell'elettrolizzatore,' cause the market introduction of new photovoltaic technologies has caused the collapse in the price of solar panels decreased from 6 to less than 1 Euro per Watt over the past 18 months. Hydrogen Solar and 'one of the three main themes of the international conference scheduled in Sicily in 2010 SuNEC October 13 to 15 next.
source: alternativasostenibile.it
0 comments:
Post a Comment