期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 27, 期 13-15, 页码 3619-3623出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2007.02.007
关键词
powders-chemical preparation; combustion synthesise; fuel cells
Ceria-doped electrolytes have been extensively studied because they are promising candidates for intermediate temperature solid oxide fuel cells (ITSOFCs). In this work. the powder synthesis by the urea-combustion technique is used. The combustion synthesis is a really suitable synthesis route to achieve, at low temperatures, finely, homogeneous, and reactive powders for ceria-based electrolytes. This work describes the combustion synthesis of binary and ternary compositions of the (CeO2)(0.92)(Ln(2)O(3))(0.04)(CaO)(0.04) systems, being Ln = Y, Gd and Sm. The characterisation of the as-prepared combustion products showed that the combustion synthesis provides a straightforward method for the achievement of solid solutions of these materials as nanometric powder. (c) 2007 Elsevier Ltd. All rights reserved.
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