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Development of new mixed-metal ruthenium and iridium oxides as electrocatalysts for oxygen evolution : part II : mechanistic understanding and practical considerations
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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 II : mechanistic understanding and practical considerations. Johnson Matthey Technology Review, 66 (4). pp. 406-417. doi:10.1595/205651322x16605694237357 ISSN 2056-5135.
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Official URL: https://doi.org/10.1595/205651322x16605694237357
Abstract
We continue our review of 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). In Part I (1), the electrocatalytic splitting of water to oxygen and hydrogen was introduced as a key process in developing future devices for various energy-related applications. A survey of ruthenium and iridium oxide structures for oxygen evolution reaction catalysis was presented. Part II discusses mechanistic details and acid stability of pgm oxides and presents the conclusions and outlook. We highlight emerging work that shows how leaching of the base metals from the multinary compositions occurs during operation to yield active pgm-oxide phases, and how attempts to correlate stability with crystal structure have been made. Implications of these discoveries for the balance of activity and stability needed for effective electrocatalysis in real devices are discussed.
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, Iridium | |||||||||
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. 406-417 | |||||||||
DOI: | 10.1595/205651322x16605694237357 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Re-use Statement: | ** From Crossref journal articles via Jisc Publications Router | |||||||||
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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