The origin of the high electrochemical activity of pseudo-amorphous iridium oxides.


Journal

Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555

Informations de publication

Date de publication:
24 Jun 2021
Historique:
received: 08 09 2020
accepted: 02 06 2021
entrez: 25 6 2021
pubmed: 26 6 2021
medline: 26 6 2021
Statut: epublish

Résumé

Combining high activity and stability, iridium oxide remains the gold standard material for the oxygen evolution reaction in acidic medium for green hydrogen production. The reasons for the higher electroactivity of amorphous iridium oxides compared to their crystalline counterpart is still the matter of an intense debate in the literature and, a comprehensive understanding is needed to optimize its use and allow for the development of water electrolysis. By producing iridium-based mixed oxides using aerosol, we are able to decouple the electronic processes from the structural transformation, i.e. Ir oxidation from IrO

Identifiants

pubmed: 34168129
doi: 10.1038/s41467-021-24181-x
pii: 10.1038/s41467-021-24181-x
pmc: PMC8225786
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

3935

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Auteurs

Marine Elmaalouf (M)

ITODYS, CNRS, UMR 7086, Université de Paris, Paris, France.

Mateusz Odziomek (M)

Sorbonne Université, CNRS, Collège de France, Laboratoire Chimie de la Matière Condensée de Paris, LCMCP, UMR 7574, Paris, France.

Silvia Duran (S)

Laboratoire de Chimie Moléculaire (LCM), CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.

Maxime Gayrard (M)

Sorbonne Université, CNRS, Collège de France, Laboratoire Chimie de la Matière Condensée de Paris, LCMCP, UMR 7574, Paris, France.

Mounib Bahri (M)

IPCMS, CNRS, Université de Strasbourg, Strasbourg, France.

Cédric Tard (C)

Laboratoire de Chimie Moléculaire (LCM), CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.

Andrea Zitolo (A)

Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, Gif-sur-Yvette, France.

Benedikt Lassalle-Kaiser (B)

Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, Gif-sur-Yvette, France.

Jean-Yves Piquemal (JY)

ITODYS, CNRS, UMR 7086, Université de Paris, Paris, France.

Ovidiu Ersen (O)

IPCMS, CNRS, Université de Strasbourg, Strasbourg, France.

Cédric Boissière (C)

Sorbonne Université, CNRS, Collège de France, Laboratoire Chimie de la Matière Condensée de Paris, LCMCP, UMR 7574, Paris, France.

Clément Sanchez (C)

Sorbonne Université, CNRS, Collège de France, Laboratoire Chimie de la Matière Condensée de Paris, LCMCP, UMR 7574, Paris, France.

Marion Giraud (M)

ITODYS, CNRS, UMR 7086, Université de Paris, Paris, France. marion.giraud@u-paris.fr.

Marco Faustini (M)

Sorbonne Université, CNRS, Collège de France, Laboratoire Chimie de la Matière Condensée de Paris, LCMCP, UMR 7574, Paris, France. marco.faustini@sorbonne-universite.fr.

Jennifer Peron (J)

ITODYS, CNRS, UMR 7086, Université de Paris, Paris, France. jennifer.peron@u-paris.fr.

Classifications MeSH