Electrochemical reduction of oxygen and nitric oxide at low temperature on La1−xSrxMnO3+δ cathodes

Kent Kammer Hansen

doi:10.1016/j.materresbull.2013.05.029

Electrochemical reduction of oxygen and nitric oxide at low temperature on La_1−xSr_xMnO_3+δ cathodes

Kent Kammer Hansen

Department of Energy Conversion and Storage

Research output: Contribution to journal › Journal article › Research › peer-review

492 Downloads (Pure)

Abstract

Six La1−xSrxMnO3+δ (x=0, 0.05, 0.15, 0.25, 0.35, 0.50) perovskites were synthesised and characterised by powder XRD and cyclic voltammetry on cone-shaped electrodes in 10% oxygen in argon or 1% nitric oxide in argon at 200, 300 and 400°C. The activity of the manganite based perovskites were highest in the nitric oxide containing atmosphere compared to the activity in the oxygen containing atmosphere at 200°C. At 300 and 400°C the activity in the nitric oxide and oxygen containing atmospheres were similar. The highest ratio between the cathodic current densities in the nitric oxide and oxygen containing atmospheres was found for the La0.95Sr0.05MnO3+δ perovskite at 200°C.

Original language	English
Journal	Materials Research Bulletin
Volume	48
Issue number	9
Pages (from-to)	3274-3277
ISSN	0025-5408
DOIs	https://doi.org/10.1016/j.materresbull.2013.05.029
Publication status	Published - 2013

Keywords

Oxides
Chemical synthesis
Electrochemical measurements

Access to Document

10.1016/j.materresbull.2013.05.029

Electrochemical Reduction of Oxygen and Nitric oxide postprint

OpenUrl availability

Full text

Cite this

@article{29d7b365441a480089897273d1ea8014,

title = "Electrochemical reduction of oxygen and nitric oxide at low temperature on La1−xSrxMnO3+δ cathodes",

abstract = "Six La1−xSrxMnO3+δ (x=0, 0.05, 0.15, 0.25, 0.35, 0.50) perovskites were synthesised and characterised by powder XRD and cyclic voltammetry on cone-shaped electrodes in 10% oxygen in argon or 1% nitric oxide in argon at 200, 300 and 400°C. The activity of the manganite based perovskites were highest in the nitric oxide containing atmosphere compared to the activity in the oxygen containing atmosphere at 200°C. At 300 and 400°C the activity in the nitric oxide and oxygen containing atmospheres were similar. The highest ratio between the cathodic current densities in the nitric oxide and oxygen containing atmospheres was found for the La0.95Sr0.05MnO3+δ perovskite at 200°C.",

keywords = "Oxides, Chemical synthesis, Electrochemical measurements",

author = "{Kammer Hansen}, Kent",

year = "2013",

doi = "10.1016/j.materresbull.2013.05.029",

language = "English",

volume = "48",

pages = "3274--3277",

journal = "Materials Research Bulletin",

issn = "0025-5408",

publisher = "Pergamon Press",

number = "9",

}

TY - JOUR

T1 - Electrochemical reduction of oxygen and nitric oxide at low temperature on La1−xSrxMnO3+δ cathodes

AU - Kammer Hansen, Kent

PY - 2013

Y1 - 2013

N2 - Six La1−xSrxMnO3+δ (x=0, 0.05, 0.15, 0.25, 0.35, 0.50) perovskites were synthesised and characterised by powder XRD and cyclic voltammetry on cone-shaped electrodes in 10% oxygen in argon or 1% nitric oxide in argon at 200, 300 and 400°C. The activity of the manganite based perovskites were highest in the nitric oxide containing atmosphere compared to the activity in the oxygen containing atmosphere at 200°C. At 300 and 400°C the activity in the nitric oxide and oxygen containing atmospheres were similar. The highest ratio between the cathodic current densities in the nitric oxide and oxygen containing atmospheres was found for the La0.95Sr0.05MnO3+δ perovskite at 200°C.

AB - Six La1−xSrxMnO3+δ (x=0, 0.05, 0.15, 0.25, 0.35, 0.50) perovskites were synthesised and characterised by powder XRD and cyclic voltammetry on cone-shaped electrodes in 10% oxygen in argon or 1% nitric oxide in argon at 200, 300 and 400°C. The activity of the manganite based perovskites were highest in the nitric oxide containing atmosphere compared to the activity in the oxygen containing atmosphere at 200°C. At 300 and 400°C the activity in the nitric oxide and oxygen containing atmospheres were similar. The highest ratio between the cathodic current densities in the nitric oxide and oxygen containing atmospheres was found for the La0.95Sr0.05MnO3+δ perovskite at 200°C.

KW - Oxides

KW - Chemical synthesis

KW - Electrochemical measurements

U2 - 10.1016/j.materresbull.2013.05.029

DO - 10.1016/j.materresbull.2013.05.029

M3 - Journal article

SN - 0025-5408

VL - 48

SP - 3274

EP - 3277

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 9

ER -