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Renewable hydrogen production by solar-powered methanol reforming

Publication ,  Journal Article
Real, D; Dumanyan, I; Hotz, N
Published in: International Journal of Hydrogen Energy
July 27, 2016

The present study demonstrates the possibility of generating hydrogen by methanol steam reforming at temperatures of 235–260 °C inside a non-concentrating solar collector, ideally for stationary fuel cell systems. In contrast to the current state-of-the-art, the solar collector provides all heat required for heating and evaporation of the reactants, endothermic reaction, and compensation of heat losses, without any external heat supply (such as from combustion of fuel or electric heating) and without the need for concentration of sunlight (as in conventional parabolic trough systems). Without the need for solar concentration, the system is simpler and more compact than conventional systems, and it can utilize all direct and indirect incident sunlight. The solar collector-reactor achieves hydrogen generation up to 6.62 LSTPmin−1per m2collector area (equivalent to 1088 W m−2LHV) under 1 sun, with solar-to-hydrogen efficiencies up to 78% and total energetic efficiencies (considering solar and fuel input) up to 43%.

Duke Scholars

Published In

International Journal of Hydrogen Energy

DOI

ISSN

0360-3199

Publication Date

July 27, 2016

Volume

41

Issue

28

Start / End Page

11914 / 11924

Related Subject Headings

  • Energy
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
 

Citation

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Real, D., Dumanyan, I., & Hotz, N. (2016). Renewable hydrogen production by solar-powered methanol reforming. International Journal of Hydrogen Energy, 41(28), 11914–11924. https://doi.org/10.1016/j.ijhydene.2016.02.086
Real, D., I. Dumanyan, and N. Hotz. “Renewable hydrogen production by solar-powered methanol reforming.” International Journal of Hydrogen Energy 41, no. 28 (July 27, 2016): 11914–24. https://doi.org/10.1016/j.ijhydene.2016.02.086.
Real D, Dumanyan I, Hotz N. Renewable hydrogen production by solar-powered methanol reforming. International Journal of Hydrogen Energy. 2016 Jul 27;41(28):11914–24.
Real, D., et al. “Renewable hydrogen production by solar-powered methanol reforming.” International Journal of Hydrogen Energy, vol. 41, no. 28, July 2016, pp. 11914–24. Scopus, doi:10.1016/j.ijhydene.2016.02.086.
Real D, Dumanyan I, Hotz N. Renewable hydrogen production by solar-powered methanol reforming. International Journal of Hydrogen Energy. 2016 Jul 27;41(28):11914–11924.
Journal cover image

Published In

International Journal of Hydrogen Energy

DOI

ISSN

0360-3199

Publication Date

July 27, 2016

Volume

41

Issue

28

Start / End Page

11914 / 11924

Related Subject Headings

  • Energy
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences