Hydrothermal processing and characterisation of doped lanthanum chromite for use in SOFCs

The perovskite powders Ca0.3La0.7CrO3 and Sr0.16La0.84CrO3 have been prepared using hydrothermal processing. The solid solutions were not formed directly in the autoclave, but the hydrothermally produced powders required calcination at a greatly reduced temperature to form the perovskite phase, redu...

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Bibliographic Details
Published in:Journal of materials science 2002-08, Vol.37 (15), p.3315-3322
Main Authors: OVENSTONE, J, CHAN, K. C, PONTON, C. B
Format: Article
Language:English
Subjects:
Agglomerates
Applied sciences
Autoclaving
Chromite
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fuel cells
Lanthanum
Materials science
Perovskites
Solid solutions
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Description
Summary:The perovskite powders Ca0.3La0.7CrO3 and Sr0.16La0.84CrO3 have been prepared using hydrothermal processing. The solid solutions were not formed directly in the autoclave, but the hydrothermally produced powders required calcination at a greatly reduced temperature to form the perovskite phase, reducing the tendency to produce hard agglomerates. Pellets with densities in excess of 95% TD were produced.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1016151521180