Principles of Water Electrolysis and Recent Progress in Cobalt‐, Nickel‐, and Iron‐Based Oxides for the Oxygen Evolution Reaction

Water electrolysis that results in green hydrogen is the key process towards a circular economy. The supply of sustainable electricity and availability of oxygen evolution reaction (OER) electrocatalysts are the main bottlenecks of the process for large‐scale production of green hydrogen. A broad ra...

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Vydané v:Angewandte Chemie International Edition Ročník 61; číslo 1; s. e202103824 - n/a
Hlavní autori: Yu, Mingquan, Budiyanto, Eko, Tüysüz, Harun
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Germany Wiley Subscription Services, Inc 03.01.2022
John Wiley and Sons Inc
Vydanie:International ed. in English
Predmet:
Catalysts
Circular economy
Cobalt
Crystal structure
Electrocatalysts
Electrolysis
Electron spin
Green hydrogen
Heavy metals
Hydrogen
Hydrogen production
Iron
Nickel
Noble metals
Oxygen
oxygen evolution reaction
Oxygen evolution reactions
Principles
Review
Reviews
water splitting
nickel
oxygen evolution reaction
iron
cobalt
water splitting
ISSN:1433-7851, 1521-3773, 1521-3773
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Shrnutí:Water electrolysis that results in green hydrogen is the key process towards a circular economy. The supply of sustainable electricity and availability of oxygen evolution reaction (OER) electrocatalysts are the main bottlenecks of the process for large‐scale production of green hydrogen. A broad range of OER electrocatalysts have been explored to decrease the overpotential and boost the kinetics of this sluggish half‐reaction. Co‐, Ni‐, and Fe‐based catalysts have been considered to be potential candidates to replace noble metals due to their tunable 3d electron configuration and spin state, versatility in terms of crystal and electronic structures, as well as abundance in nature. This Review provides some basic principles of water electrolysis, key aspects of OER, and significant criteria for the development of the catalysts. It provides also some insights on recent advances of Co‐, Ni‐, and Fe‐based oxides and a brief perspective on green hydrogen production and the challenges of water electrolysis. This Review describes the basic principles of water electrolysis, key aspects of the oxygen evolution reaction (OER), and significant criteria for the development of new catalysts. Recent advances in catalysts based on Co, Ni, and Fe oxides are described, and a brief perspective is given on green hydrogen production and the challenges of water electrolysis.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.202103824