Paper Title:
High Temperature - FTIR Characterization of Gadolinia Doped Ceria
  Abstract

Doped ceria-based (DC) materials have recently been considered as the most promising solid electrolytes for intermediate temperature solid oxide fuel cell (IT-SOFC) applications. Doped ceria is usually prepared via thermal decomposition of its water soluble salts, especially, acetates and nitrates. The properties of the obtained final product directly influenced by the starting material and the decomposition products. Therefore, it is crucial to understand the decomposition steps and intermediate products. Number of experimental work have been reported using various in-situ and ex-situ techniques such as thermogravimetry with mass spectrometry (TG/DTA-MS), X-ray diffraction with differential scanning calorimeter (XRD-DSC). However, the available literature data is limited and not reasonably in agreement with each other. High Temperature FT-IR spectroscopy, TG/DTA-MS, XRD, techniques were used and results are compared with literature. A good agreement between the thermal analyses and HT-FTIR results were obtained. Possible decomposition mechanism is discussed.

  Info
Periodical
Edited by
Pietro VINCENZINI, Cynthia POWELL, Marco VITTORI ANTISARI, Vincenzo ANTONUCCI and Fausto CROCE
Pages
249-254
DOI
10.4028/www.scientific.net/AST.72.249
Citation
A. Arabaci, N. Solak, "High Temperature - FTIR Characterization of Gadolinia Doped Ceria", Advances in Science and Technology, Vol. 72, pp. 249-254, 2010
Online since
October 2010
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