Paper Title:
Synthesis of Ceria-Coated Copper Oxide Particles for Direct Hydrocarbon SOFCs Anode
  Abstract

Ceria-coated copper oxide powders were prepared by the precipitation method using cerium nitrate hexahydrate and ammonia as a precipitant. Heterogeneous nucleation and growth of ceria took place on the copper oxide surface by dispersing the copper oxide particles in cerium nitrate aqueous solution and subsequently adding ammonia into it. Process conditions such as the pH of the precursor solution and precipitation temperatures were carefully controlled for the homogeneous precipitation of ceria particles. It was found that copper oxide was homogeneously coated with nano-sized (~20 nm) ceria particles at room temperature. The morphology of ceria and ceria-coated copper oxide powder were examined by field-emission scanning electron microscopy (FE-SEM) as a function of precipitation temperature.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
1118-1121
DOI
10.4028/www.scientific.net/MSF.510-511.1118
Citation
J. Lee, S. H. Lee, E. A. Lee, H. J. Hwang, "Synthesis of Ceria-Coated Copper Oxide Particles for Direct Hydrocarbon SOFCs Anode", Materials Science Forum, Vols. 510-511, pp. 1118-1121, 2006
Online since
March 2006
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