AMnO3 (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts

V. Celorrio; L. Calvillo; G. Granozzi; A. E. Russell; D. J. Fermin

doi:10.1007/s11244-018-0886-5

AMnO₃ (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts

V. Celorrio^*, L. Calvillo, G. Granozzi, A. E. Russell, D. J. Fermin

^*Corresponding author for this work

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Abstract

A series of perovskite-type manganites AMnO₃ (A = Sr, La, Ca and Y) particles were investigated as electrocatalysts for the oxygen reduction reaction. AMnO₃ materials were synthesized by means of an ionic-liquid method, yielding phase pure particles at different temperatures. Depending on the calcination temperature, particles with mean diameter between 20 and 150 nm were obtained. Bulk versus surface composition and structure are probed by X-ray photoelectron spectroscopy and extended X-ray absorption fine structure. Electrochemical studies were performed on composite carbon-oxide electrodes in alkaline environment. The electrocatalytic activity is discussed in terms of the effective Mn oxidation state, A:Mn particle surface ratio and the Mn–O distances.

Original language	English
Number of pages	8
Journal	Topics in Catalysis
Early online date	16 Jan 2018
DOIs	https://doi.org/10.1007/s11244-018-0886-5
Publication status	E-pub ahead of print - 16 Jan 2018

Keywords

perovskite
manganite oxide
A-site
oxygen reduction reaction
catalytic activity

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10.1007/s11244-018-0886-5

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@article{a86bfec493064cc6b82d912bb2f63912,

title = "AMnO3 (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts",

abstract = "A series of perovskite-type manganites AMnO3 (A = Sr, La, Ca and Y) particles were investigated as electrocatalysts for the oxygen reduction reaction. AMnO3 materials were synthesized by means of an ionic-liquid method, yielding phase pure particles at different temperatures. Depending on the calcination temperature, particles with mean diameter between 20 and 150 nm were obtained. Bulk versus surface composition and structure are probed by X-ray photoelectron spectroscopy and extended X-ray absorption fine structure. Electrochemical studies were performed on composite carbon-oxide electrodes in alkaline environment. The electrocatalytic activity is discussed in terms of the effective Mn oxidation state, A:Mn particle surface ratio and the Mn–O distances.",

keywords = "perovskite, manganite oxide, A-site, oxygen reduction reaction, catalytic activity ",

author = "V. Celorrio and L. Calvillo and G. Granozzi and Russell, {A. E.} and Fermin, {D. J.}",

year = "2018",

month = jan,

day = "16",

doi = "10.1007/s11244-018-0886-5",

language = "English",

journal = "Topics in Catalysis",

issn = "1022-5528",

publisher = "Springer Netherlands",

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TY - JOUR

T1 - AMnO3 (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts

AU - Celorrio, V.

AU - Calvillo, L.

AU - Granozzi, G.

AU - Russell, A. E.

AU - Fermin, D. J.

PY - 2018/1/16

Y1 - 2018/1/16

N2 - A series of perovskite-type manganites AMnO3 (A = Sr, La, Ca and Y) particles were investigated as electrocatalysts for the oxygen reduction reaction. AMnO3 materials were synthesized by means of an ionic-liquid method, yielding phase pure particles at different temperatures. Depending on the calcination temperature, particles with mean diameter between 20 and 150 nm were obtained. Bulk versus surface composition and structure are probed by X-ray photoelectron spectroscopy and extended X-ray absorption fine structure. Electrochemical studies were performed on composite carbon-oxide electrodes in alkaline environment. The electrocatalytic activity is discussed in terms of the effective Mn oxidation state, A:Mn particle surface ratio and the Mn–O distances.

AB - A series of perovskite-type manganites AMnO3 (A = Sr, La, Ca and Y) particles were investigated as electrocatalysts for the oxygen reduction reaction. AMnO3 materials were synthesized by means of an ionic-liquid method, yielding phase pure particles at different temperatures. Depending on the calcination temperature, particles with mean diameter between 20 and 150 nm were obtained. Bulk versus surface composition and structure are probed by X-ray photoelectron spectroscopy and extended X-ray absorption fine structure. Electrochemical studies were performed on composite carbon-oxide electrodes in alkaline environment. The electrocatalytic activity is discussed in terms of the effective Mn oxidation state, A:Mn particle surface ratio and the Mn–O distances.

KW - perovskite

KW - manganite oxide

KW - A-site

KW - oxygen reduction reaction

KW - catalytic activity

UR - http://www.scopus.com/inward/record.url?scp=85040594041&partnerID=8YFLogxK

U2 - 10.1007/s11244-018-0886-5

DO - 10.1007/s11244-018-0886-5

M3 - Article (Academic Journal)

C2 - 30956502

AN - SCOPUS:85040594041

SN - 1022-5528

JO - Topics in Catalysis

JF - Topics in Catalysis

ER -

AMnO₃ (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts

Abstract

Keywords

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AMnO3 (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts

Abstract

Keywords

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Data from Methane Oxidation (05-2017)

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AMnO₃ (A = Sr, La, Ca, Y) Perovskite Oxides as Oxygen Reduction Electrocatalysts