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Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion

Alberto Bucci, Miguel García-Tecedor, Sacha Corby, Reshma R. Rao, Vlad Martin-Diaconescu, Freddy E. Oropeza, Víctor A. de la Peña O'Shea, James Durrant Orcid Logo, Sixto Giménez, Julio Lloret-Fillol

Journal of Materials Chemistry A, Volume: 9, Issue: 21, Pages: 12700 - 12710

Swansea University Author: James Durrant Orcid Logo

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DOI (Published version): 10.1039/d1ta00072a

Abstract

The oxygen evolution reaction (OER) is a fundamental process to develop a technology that can drive energy transition towards renewable and sustainable fuels. Nevertheless, efficient and straightforward methodologies to obtain superior and stable electrodes need to be implemented to approach this te...

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Published in: Journal of Materials Chemistry A
ISSN: 2050-7488 2050-7496
Published: Royal Society of Chemistry (RSC) 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57176
first_indexed 2021-06-21T11:54:55Z
last_indexed 2021-09-18T03:20:28Z
id cronfa57176
recordtype SURis
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spelling 2021-09-17T11:54:53.0835527 v2 57176 2021-06-21 Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 2021-06-21 EAAS The oxygen evolution reaction (OER) is a fundamental process to develop a technology that can drive energy transition towards renewable and sustainable fuels. Nevertheless, efficient and straightforward methodologies to obtain superior and stable electrodes need to be implemented to approach this technology to real applications. Recently, self-supported catalysis emerged as a promising solution. However, catalyst design is still limited by the low chemical tunability and elevated preparation times and costs. Herein, a solution combustion (SC) methodology is described to produce designed self-supported electrocatalysts that excel in the OER and mitigate previous limitations. M-doped NiO-based electrocatalysts (with M = Fe, Co, Mn, and Zn) were self-supported by the SC method on nickel foam, and overperformed analogous benchmarked catalysts prepared by other methods. Notably, in Fe-doped NiO, the overpotential required to drive the OER at 10 mA cm−2 was found to be 190 mV, the lowest reported so far for metal oxide electrocatalysts at pH 13. By the combination of spectroelectrochemical (SEC) and electrochemical impedance spectroscopy (EIS), we studied the role of the metal dopant cation, showing that dopant metals assist the formation of the active species responsible for the high (electro)catalytic activity. We envision that the presented simple, cost-time efficient methodology would stimulate the preparation and study of effective self-supported metal-oxide catalysts for a broad range of applications. Journal Article Journal of Materials Chemistry A 9 21 12700 12710 Royal Society of Chemistry (RSC) 2050-7488 2050-7496 20 4 2021 2021-04-20 10.1039/d1ta00072a COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2021-09-17T11:54:53.0835527 2021-06-21T12:52:20.8134623 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Alberto Bucci 1 Miguel García-Tecedor 2 Sacha Corby 3 Reshma R. Rao 4 Vlad Martin-Diaconescu 5 Freddy E. Oropeza 6 Víctor A. de la Peña O'Shea 7 James Durrant 0000-0001-8353-7345 8 Sixto Giménez 9 Julio Lloret-Fillol 10
title Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
spellingShingle Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
James Durrant
title_short Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
title_full Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
title_fullStr Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
title_full_unstemmed Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
title_sort Self-supported ultra-active NiO-based electrocatalysts for the oxygen evolution reaction by solution combustion
author_id_str_mv f3dd64bc260e5c07adfa916c27dbd58a
author_id_fullname_str_mv f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
author James Durrant
author2 Alberto Bucci
Miguel García-Tecedor
Sacha Corby
Reshma R. Rao
Vlad Martin-Diaconescu
Freddy E. Oropeza
Víctor A. de la Peña O'Shea
James Durrant
Sixto Giménez
Julio Lloret-Fillol
format Journal article
container_title Journal of Materials Chemistry A
container_volume 9
container_issue 21
container_start_page 12700
publishDate 2021
institution Swansea University
issn 2050-7488
2050-7496
doi_str_mv 10.1039/d1ta00072a
publisher Royal Society of Chemistry (RSC)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
active_str 0
description The oxygen evolution reaction (OER) is a fundamental process to develop a technology that can drive energy transition towards renewable and sustainable fuels. Nevertheless, efficient and straightforward methodologies to obtain superior and stable electrodes need to be implemented to approach this technology to real applications. Recently, self-supported catalysis emerged as a promising solution. However, catalyst design is still limited by the low chemical tunability and elevated preparation times and costs. Herein, a solution combustion (SC) methodology is described to produce designed self-supported electrocatalysts that excel in the OER and mitigate previous limitations. M-doped NiO-based electrocatalysts (with M = Fe, Co, Mn, and Zn) were self-supported by the SC method on nickel foam, and overperformed analogous benchmarked catalysts prepared by other methods. Notably, in Fe-doped NiO, the overpotential required to drive the OER at 10 mA cm−2 was found to be 190 mV, the lowest reported so far for metal oxide electrocatalysts at pH 13. By the combination of spectroelectrochemical (SEC) and electrochemical impedance spectroscopy (EIS), we studied the role of the metal dopant cation, showing that dopant metals assist the formation of the active species responsible for the high (electro)catalytic activity. We envision that the presented simple, cost-time efficient methodology would stimulate the preparation and study of effective self-supported metal-oxide catalysts for a broad range of applications.
published_date 2021-04-20T08:02:39Z
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score 11.048171

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