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Chemical looping hydrogen storage and production: use of binary ferrite-spinel as oxygen carrier materials

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Abstract

Chemical looping hydrogen storage and the recovery of iron oxides by the redox cycles were recommended as an emerging approach for large-scale hydrogen storage with a high volumetric hydrogen storage density. However, iron oxides should be operated at a high temperature (>800 °C) for its sufficient redox activity, which would lead to a rapid deterioration of hydrogen storage performance over cycles. In this work, a series of ferrite-spinel materials A0.25Fe2.75O4 (A = Co, Cu, Ni, Zn or Mn) were prepared. Among all the additives to iron oxides, Co0.25Fe2.75O4 exhibits the highest volumetric hydrogen storage density (∼62.47 g L−1) and an average hydrogen production rate (∼132 μmol g−1 min−1) under 550 °C. Besides, the storage capacity was maintained over 10 cycles. The volumetric hydrogen storage density of this material was proportionate to the most advanced Rh–FeOx containing rare-earth metal; thus, it may have the potential for industrial application.

Graphical abstract: Chemical looping hydrogen storage and production: use of binary ferrite-spinel as oxygen carrier materials

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Article information


Submitted
15 Nov 2019
Accepted
09 Jan 2020
First published
13 Jan 2020

Sustainable Energy Fuels, 2020, Advance Article
Article type
Paper

Chemical looping hydrogen storage and production: use of binary ferrite-spinel as oxygen carrier materials

M. Li, Y. Qiu, L. Ma, D. Cui, S. Zhang, D. Zeng and R. Xiao, Sustainable Energy Fuels, 2020, Advance Article , DOI: 10.1039/C9SE01104H

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