Oxygen Evolution Reaction in Alkaline Environment: Material Challenges and Solutions
Abstract: The oxygen evolution reaction (OER) generally exists in electrochemistry‐enabled applications that are coupled with cathodic reactions like hydrogen evolution, carbon dioxide reduction, ammonia synthesis, and electrocatalytic hydrogenation. The OER heavily impacts the overall energy efficiency of these devices because the sluggish OER kinetics result in a huge overpotential, thus, a large amount of efficient catalysts are needed. The benchmark iridium and ruthenium (Ir/Ru)‐based materials (mostly used in acid media) are, however, significantly limited by their scarcity. Non‐precious metal‐based catalysts (NPMCs) have emerged as the most promising alternatives; however, they tend to degrade quickly under the harsh operating conditions of typical OER devices. Another challenge is the unsatisfying performance of OER catalysts when integrated in real‐world devices. Herein, the OER active sites for three mainstream types of NPMCs including non‐precious transition metal oxides/(oxy) hydroxides, metal‐free carbon materials, and hybrid non‐precious metal and carbon composites are reviewed. In addition, possible degradation mechanisms for active sites and mitigation strategies are discussed in detail. This review also provides insights into the gaps between R&D of NPMCs for the OER and their applications in practical devices.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Oxygen Evolution Reaction in Alkaline Environment: Material Challenges and Solutions ; day:13 ; month:03 ; year:2022 ; extent:19
Advanced functional materials ; (13.03.2022) (gesamt 19)
- Urheber
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Xie, Xiaohong
Du, Lei
Yan, Litao
Park, Sehkyu
Qiu, Yang
Sokolowski, Joshua
Wang, Wei
Shao, Yuyan
- DOI
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10.1002/adfm.202110036
- URN
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urn:nbn:de:101:1-2022032606340067710187
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:33 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Xie, Xiaohong
- Du, Lei
- Yan, Litao
- Park, Sehkyu
- Qiu, Yang
- Sokolowski, Joshua
- Wang, Wei
- Shao, Yuyan
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