Flame Spray Pyrolysis of Electrode Materials for Energy Applications
2015
Flame spray pyrolysis (FSP) was applied to produce nanopowders of Ti 1-x M x O 2 and Sn 1-x M x O 2 , where x = 0.05 and M = Nb/Sb, for use as catalyst support materials in PEM fuel cells/ electrolysers. FSP powders in the SnO 2 -IrO 2 system were produced for the same applications. Homogenous particle size distribution (5-20 nm) was demonstrated by TEM, supported by BET and XRD analysis. Whereas two polymorphs were indicated for the Ti-based oxides, the Sb/Nb-doped SnO 2 powders were single phase. FSP powders of Mn 3 O 4 intended for supercapacitors were produced and the influence of the precursor/solvent mixtures on the physical and electrochemical properties evaluated.
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