Aluminum Steam Oxidation in the Framework of Long‐Term Energy Storage: Experimental Analysis of the Reaction Parameters Effect on Metal Conversion Rate

Aluminum is a promising material as an alternative green energy carrier thanks to its very high volumetric energy density and full recyclability. Aluminum oxidation with steam in the temperature range of 600–900 °C is investigated as an innovative and promising methodology for aluminum conversion resulting in hydrogen and heat production. Reaction times, hydrogen production rate and yield are assessed varying operational parameters such as temperature, steam to aluminum ratio, and gas hourly space velocity within the reactor. The conversion yield of aluminum is assessed at 73.13% at 900 °C and ambient pressure, with reaction times comparable with the one reported in the literature for water oxidation in batch‐pressurized reactors. Moreover, over 750 °C, alumina is produced in microparticles, allowing reactor operating times up to 1 h without incurring in the clogging effect. The obtained results are promising for the continuous operating condition of a future full‐scale reactor.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Aluminum Steam Oxidation in the Framework of Long‐Term Energy Storage: Experimental Analysis of the Reaction Parameters Effect on Metal Conversion Rate ; day:22 ; month:07 ; year:2022 ; extent:12
Energy technology ; (22.07.2022) (gesamt 12)

Creator
Barelli, Linda
Trombetti, Lorenzo
Di Michele, Alessandro
Gammaitoni, Luca
Asenbauer, Jakob
Passerini, Stefano

DOI
10.1002/ente.202200441
URN
urn:nbn:de:101:1-2022072315035437064249
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:27 AM CEST

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Associated

  • Barelli, Linda
  • Trombetti, Lorenzo
  • Di Michele, Alessandro
  • Gammaitoni, Luca
  • Asenbauer, Jakob
  • Passerini, Stefano

Other Objects (12)