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Thermal Behaviors of (Cu0.5Mn0.5)Fe2O4 for H2 production by thermochemical cycles  

Kim, J.W. (Dept. of Materials Science and Engineering, Ajou University)
Choi, S.C. (Dept. of Materials Science and Engineering, Ajou University)
Joo, O.S. (Eco-Nano Center, Korea Institute of Science and Technology)
Jung, K.D. (Eco-Nano Center, Korea Institute of Science and Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.15, no.1, 2004 , pp. 32-38 More about this Journal
Abstract
Thermal behaviors of $(Cu_{0.5}Mn_{0.5})Fe_2O_4$, prepared by a solid method, were investigated for $H_2$ production by a thermochemical cycle. The thermal reduction of $(Cu_{0.5}Mn_{0.5})Fe_2O_4$ started from $300^\circ{C}$ and the weight loss was 1.3 wt% up to 1200. XRD shows the prepared ferrite has the spinel structure with a lattice constant of $8.414{\AA}$ and changed to the oxygen deficient structure by thermal reduction. Oxygen and hydrogen can be separately produced by the cycles of thermal reduction and water oxidation of the oxygen deficient ferrite.
Keywords
Thermochemical cycle; Hydrogen production; $(Cu_{0.5}Mn_{0.5})Fe_2O_4$; Thermal behavior; Water splitting;
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