Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La1−xSrxFeO3−δ Cathodes

Research output: Contribution to journalJournal article – Annual report year: 2014Researchpeer-review

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Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La1−xSrxFeO3−δ Cathodes. / Kammer Hansen, Kent.

In: Electrocatalysis, Vol. 5, No. 3, 2014, p. 256-261.

Research output: Contribution to journalJournal article – Annual report year: 2014Researchpeer-review

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@article{adac5850086848cfb6813b588f0e5683,
title = "Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La1−xSrxFeO3−δ Cathodes",
abstract = "A series of six strontium-substituted lanthanum ferrites (La1-xSrxFeO3-delta, x = 0.00, 0.05, 0.15, 0.25, 0.35, and 0.50) were synthesized using the glycine-nitrate process and evaluated as cathodes for the electrochemical reduction of oxygen and nitric oxide in the temperature range 200 to 400 degrees C, using cone-shaped electrodes and cyclic voltammetry. It was shown that the ferrites had a higher activity towards the electrochemical reduction of nitric oxide than towards the electrochemical reduction of oxygen, in the investigated temperature range. The highest activity towards the electrochemical reduction of nitric oxide was found for La0.95Sr0.05FeO3-delta at 400 degrees C. This compound also showed the highest activity towards the electrochemical reduction of oxygen at 400 degrees C. The highest apparent selectivity was found for the compound LaFeO3 at 200 degrees C. The materials showed ability to oxidize nitric oxide to nitrogen dioxide.",
keywords = "CHEMISTRY,, ELECTROCHEMISTRY, YTTRIA-STABILIZED ZIRCONIA, ALTERNATING-CURRENT ELECTROLYSIS, PEROVSKITE-TYPE OXIDES, SOLID-ELECTROLYTE, DEFECT STRUCTURE, SEEBECK COEFFICIENT, FUEL-CELLS, PART I, NO, DECOMPOSITION, O-2, LSF, HASH(0x44b8658), O2",
author = "{Kammer Hansen}, Kent",
year = "2014",
doi = "10.1007/s12678-014-0192-3",
language = "English",
volume = "5",
pages = "256--261",
journal = "Electrocatalysis",
issn = "1868-2529",
publisher = "Springer New York",
number = "3",

}

RIS

TY - JOUR

T1 - Electrochemical Reduction of Oxygen and Nitric Oxide at Low Temperature on La1−xSrxFeO3−δ Cathodes

AU - Kammer Hansen, Kent

PY - 2014

Y1 - 2014

N2 - A series of six strontium-substituted lanthanum ferrites (La1-xSrxFeO3-delta, x = 0.00, 0.05, 0.15, 0.25, 0.35, and 0.50) were synthesized using the glycine-nitrate process and evaluated as cathodes for the electrochemical reduction of oxygen and nitric oxide in the temperature range 200 to 400 degrees C, using cone-shaped electrodes and cyclic voltammetry. It was shown that the ferrites had a higher activity towards the electrochemical reduction of nitric oxide than towards the electrochemical reduction of oxygen, in the investigated temperature range. The highest activity towards the electrochemical reduction of nitric oxide was found for La0.95Sr0.05FeO3-delta at 400 degrees C. This compound also showed the highest activity towards the electrochemical reduction of oxygen at 400 degrees C. The highest apparent selectivity was found for the compound LaFeO3 at 200 degrees C. The materials showed ability to oxidize nitric oxide to nitrogen dioxide.

AB - A series of six strontium-substituted lanthanum ferrites (La1-xSrxFeO3-delta, x = 0.00, 0.05, 0.15, 0.25, 0.35, and 0.50) were synthesized using the glycine-nitrate process and evaluated as cathodes for the electrochemical reduction of oxygen and nitric oxide in the temperature range 200 to 400 degrees C, using cone-shaped electrodes and cyclic voltammetry. It was shown that the ferrites had a higher activity towards the electrochemical reduction of nitric oxide than towards the electrochemical reduction of oxygen, in the investigated temperature range. The highest activity towards the electrochemical reduction of nitric oxide was found for La0.95Sr0.05FeO3-delta at 400 degrees C. This compound also showed the highest activity towards the electrochemical reduction of oxygen at 400 degrees C. The highest apparent selectivity was found for the compound LaFeO3 at 200 degrees C. The materials showed ability to oxidize nitric oxide to nitrogen dioxide.

KW - CHEMISTRY,

KW - ELECTROCHEMISTRY

KW - YTTRIA-STABILIZED ZIRCONIA

KW - ALTERNATING-CURRENT ELECTROLYSIS

KW - PEROVSKITE-TYPE OXIDES

KW - SOLID-ELECTROLYTE

KW - DEFECT STRUCTURE

KW - SEEBECK COEFFICIENT

KW - FUEL-CELLS

KW - PART I

KW - NO

KW - DECOMPOSITION

KW - O-2

KW - LSF

KW - HASH(0x44b8658)

KW - O2

U2 - 10.1007/s12678-014-0192-3

DO - 10.1007/s12678-014-0192-3

M3 - Journal article

VL - 5

SP - 256

EP - 261

JO - Electrocatalysis

JF - Electrocatalysis

SN - 1868-2529

IS - 3

ER -