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Tellurium-doped lanthanum manganite as catalysts for the oxygen reduction reaction

Celorrio, V., Morris, Louis J., Cattelan, M., Fox, N.A. and Fermin, D.J. 2017. Tellurium-doped lanthanum manganite as catalysts for the oxygen reduction reaction. MRS Communications 7 (2) , pp. 193-198. 10.1557/mrc.2017.22

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Abstract

The effect of tellurium (Te) doping on the electrocatalytic activity of La1−xTexMnO3 toward the oxygen reduction reaction is investigated for the first time. La1−xTexMnO3 with x-values up 23% were synthesized from a single ionic liquid-based precursor, yielding nanoparticles with mean diameter in the range of 40–68 nm and rhombohedral unit cell. Electrochemical studies were performed on carbon-supported particles in alkaline environment. The composition dependence activity is discussed in terms of surface density of Mn sites and changes in the effective Mn oxidation state.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Chemistry
Publisher: Cambridge University Press
ISSN: 2159-6859
Funders: EPSRC
Date of First Compliant Deposit: 11 May 2017
Date of Acceptance: 23 March 2017
Last Modified: 11 Oct 2017 08:38
URI: http://orca.cf.ac.uk/id/eprint/100521

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