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Development of new mixed-metal ruthenium and iridium oxides as electrocatalysts for oxygen evolution : part I : survey of crystal structures and synthesis methods
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Clayton, Jasmine A. and Walton, Richard I. (2022) Development of new mixed-metal ruthenium and iridium oxides as electrocatalysts for oxygen evolution : part I : survey of crystal structures and synthesis methods. Johnson Matthey Technology Review, 66 (4). pp. 393-405. doi:10.1595/205651322x16529612227119 ISSN 2056-5135.
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Official URL: https://doi.org/10.1595/205651322X16529612227119
Abstract
We review recent research into oxides of platinum group metals (pgms), in particular those of ruthenium and iridium, for use as electrocatalysts for the oxygen evolution reaction (OER). These are used in membrane electrode assemblies (MEAs) in devices such as electrolysers, for water splitting to generate hydrogen as fuel, and in fuel cells where they provide a buffer against carbon corrosion. In these situations, proton exchange membrane (PEM) layers are used, and highly acid-resilient electrocatalyst materials are required. The range of structure types investigated includes perovskites, pyrochlores and hexagonal perovskite-like phases, where the pgm is partnered by base metals in complex chemical compositions. The role of chemical synthesis in the discovery of new oxide compositions is emphasised, particularly to yield powders for processing into MEAs. Part I introduces the electrocatalytic splitting of water to oxygen and hydrogen and provides a survey of ruthenium and iridium oxide structures for oxygen evolution reaction catalysis.
Item Type: | Journal Article | |||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | |||||||||
SWORD Depositor: | Library Publications Router | |||||||||
Library of Congress Subject Headings (LCSH): | Platinum group catalysts, Platinum group -- Metallurgy, Electrocatalysis, Ruthenium oxides, Iridium oxide | |||||||||
Journal or Publication Title: | Johnson Matthey Technology Review | |||||||||
Publisher: | Johnson Matthey | |||||||||
ISSN: | 2056-5135 | |||||||||
Official Date: | 3 October 2022 | |||||||||
Dates: |
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Volume: | 66 | |||||||||
Number: | 4 | |||||||||
Page Range: | pp. 393-405 | |||||||||
DOI: | 10.1595/205651322x16529612227119 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 7 November 2022 | |||||||||
Date of first compliant Open Access: | 7 November 2022 | |||||||||
RIOXX Funder/Project Grant: |
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