Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 37, Issue 1, Pages 977-983Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.03.084
Keywords
Modified Fe2O3; Hydrogen storage; Hydrogen production; Mo cations
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Funding
- National Hi-Tech Research and Development Program (863) of China [2007AA05Z116]
- National Natural Science Foundation of China [20873099, 20673082]
- scientific research foundation for ROCS, SEM [2006331]
- key project of science and technology of Shaanxi Province [2005k07-G2]
- natural science foundation of Shaanxi education Committee [06JK167]
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The iron oxide and Mo-modified iron oxide samples, which can store and produce pure hydrogen by the redox reaction (Fe3O4 (initial Fe2O3) + 4H(2) <-> 3Fe + 4H(2)O), were prepared via hydrothermal method. The redox performances of all samples were investigated, of which Fe2O3-7.5%Mo-a displayed the best one on enhancing hydrogen production. E.g., the average temperature of H-2 formation was only 277 degrees C; H-2 formation rate at 300 degrees C was 581-915 mu mol min(-1) Fe-g(-1) from the first to fourth redox cycles; the average storage capacity was up to 4.7 wt% in four redox cycles. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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