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Journal article

Electrochemical reduction of nitrous oxide on La1-xSrxFeO3 perovskites

By Kammer Hansen, Kent1,2,3

From

Electrochemistry, Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark1

Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2

Risø National Laboratory for Sustainable Energy, Technical University of Denmark3

The electrochemical reduction of nitrous oxide and oxygen has been studied on cone-shaped electrodes of La1-xSrxFeO3-delta perovskites in an all solid state cell, using cyclic voltammetry. It was shown that the activity of the La1-xSrxFeO3-delta perovskites for the electrochemical reduction of nitrous oxide mainly depends on the amount of Fe(III) and oxide ion vacancies.

The activity of the La1-xSrxFeO3-delta perovskites towards the electrochemical reduction of nitrous oxide is much lower than the activity of the La1-xSrxFeO3-delta perovskites towards the electrochemical reduction of oxygen, making the possibility of electrochemically reducing nitrous oxide selectively in an exhaust gas containing excess oxygen on this type of materials very doubtful.

Language: English
Year: 2010
Pages: 1334-1337
ISSN: 18734227 and 00255408
Types: Journal article
DOI: 10.1016/j.materresbull.2010.05.009
ORCIDs: Kammer Hansen, Kent
Keywords

Brændselsceller og brint Flue gas purification Fuel Cells and hydrogen Røggasrens

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