MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
 
A Thermodynamic Study of Nonstoichiometric Ce0.97Zr0.03O2−δ for Dissociation of H2O
Jingchao TaoJ. WangAnping Dong
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2013 Volume 54 Issue 3 Pages 412-414

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Abstract

The thermodynamic properties of 3%mol zirconia doped ceria nano-size powders prepared by sol–gel were studied by thermogravity analysis. The entropy and enthalpy extracted from the data of thermogravity experiment of 3%mol zirconia doped ceria compared with undoped ceria were analyzed. The data of Gibbs free energy calculated by the data of entropy and enthalpy of 3%mol zirconia doped ceria compared with undoped ceria and water were investigated. The temperature range and the heat energy required of dissociating water obtained from the data of Gibbs free energy of 3%mol zirconia doped ceria compared with undoped ceria were shown as the result of this study.

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© 2013 The Japan Institute of Metals and Materials
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