Cover Picture: Durable Nickel‐Iron (Oxy)hydroxide Oxygen Evolution Electrocatalysts through Surface Functionalization with Tetraphenylporphyrin (Angew. Chem. Int. Ed. 51/2022)

State‐of‐the‐art nickel–iron oxyhydroxide catalysts suffer from loss of iron under oxygen evolution reaction (OER) potential. In their Research Article (e202214541), Jaeyoung Lee and co‐workers develop a stable OER electrocatalyst by adding tetraphenylporphyrin protective layers. They accelerate the...

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Bibliographic Details
Published inAngewandte Chemie International Edition Vol. 61; no. 51
Main Authors Kang, Sinwoo, Im, Changbin, Spanos, Ioannis, Ham, Kahyun, Lim, Ahyoun, Jacob, Timo, Schlögl, Robert, Lee, Jaeyoung
Format Journal Article
LanguageEnglish
Published 19.12.2022
Subjects
Anion Exchange Membrane Water Electrolyzer
Nickel-Iron (Oxy)Hydroxide
Oxygen Evolution Reaction
Stability
Tetraphenylporphyrin
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ISSN1433-7851
1521-3773
DOI10.1002/anie.202216924

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Summary:State‐of‐the‐art nickel–iron oxyhydroxide catalysts suffer from loss of iron under oxygen evolution reaction (OER) potential. In their Research Article (e202214541), Jaeyoung Lee and co‐workers develop a stable OER electrocatalyst by adding tetraphenylporphyrin protective layers. They accelerate the redeposition of eluted iron onto the electrocatalyst by forming a nonpolar–polar interface. This not only prolongs the iron population but also the lifetime of the electrocatalyst.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202216924