Preparation and characterisation of iron substituted Mn1.7Cu1.3-xFexO4 spinel oxides (x = 0, 0.1, 0.3, 0.5) - Publication - Bridge of Knowledge

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Preparation and characterisation of iron substituted Mn1.7Cu1.3-xFexO4 spinel oxides (x = 0, 0.1, 0.3, 0.5)

Abstract

Spinel oxides with the general formula Mn1.7Cu1.3-xFexO4 (x= 0, 0.1, 0.3, 0.5) were prepared and evaluated in this work for their properties at high temperatures. The effect of partially substituting Cu by Fe has not been studied so far for this group of materials and is thus evaluated in this work. Mn1.7Cu1.3-xFexO4 powders were synthesised by a soft chemistry process and studied in terms of crystallographic phase analysis, electrical conductivity, thermal expansion, and sinterability behaviour. The results show that the Fe content has a significant influence on the phase composition and the resulting properties. Characterisation of the dilatometry and conductivity coupled with XRD phase analysis across a wide temperature range allowed the relations between the materials properties and compositions to be observed. The results indicate that Mn1.7Cu0.8Fe0.5O4 is a promising material for use as a protective coating for interconnects in intermediate temperature Solid Oxide Fuel Cells.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY no. 40, pages 5920 - 5929,
ISSN: 0955-2219
Language:
English
Publication year:
2020
Bibliographic description:
Ignaczak J., Naumovich Y., Górnicka K., Jamroz J., Wróbel W., Karczewski J., Chen M., Jasiński P., Molin S.: Preparation and characterisation of iron substituted Mn1.7Cu1.3-xFexO4 spinel oxides (x = 0, 0.1, 0.3, 0.5)// JOURNAL OF THE EUROPEAN CERAMIC SOCIETY -Vol. 40,iss. 15 (2020), s.5920-5929
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.jeurceramsoc.2020.07.001
Sources of funding:
Verified by:
Gdańsk University of Technology

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