Hydrogen: the future energy carrier by Andreas Züttel, Arndt Remhof, Andreas Borgschulte, and Oliver Friedrichs Philosophical Transactions A Volume 368(1923): July 28, 2010 ©2010 by The Royal Society
Energy demand according to the energy carriers over the last 200 years (J.-M. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
Development of the oil price without correction for inflation ( Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
The hydrogen cycle: the energy from sunlight is converted into electricity by means of photovoltaic cells. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
Comparison of (a) metal and (b) complex hydrides. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
Volumetric and gravimetric hydrogen density of some selected hydrides. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
The synthetic fuel cycle: hydrogen is produced from solar energy and water. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society
Volumetric versus gravimetric energy density of the most important energy carriers. Andreas Züttel et al. Phil. Trans. R. Soc. A 2010;368: ©2010 by The Royal Society