How to Assess and Predict Electrical Double Layer Properties. Implications for Electrocatalysis

Chemical Reviews, Год журнала: 2024, Номер 124(22), С. 12391 - 12462

Опубликована: Ноя. 11, 2024

The electrical double layer (EDL) plays a central role in electrochemical energy systems, impacting charge transfer mechanisms and reaction rates. fundamental importance of the EDL interfacial electrochemistry has motivated researchers to develop theoretical experimental approaches assess properties. In this contribution, we review recent progress evaluating characteristics such as double-layer capacitance, highlighting some discrepancies between theory experiment discussing strategies for their reconciliation. We further discuss merits challenges various techniques having important implications aqueous electrocatalysis. A strong emphasis is placed on substantial impact electrode composition structure electrolyte chemistry addition, effects temperature pressure compare solid-liquid interfaces solid-solid interfaces.

Язык: Английский

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Formation of Disordered High‐Entropy‐Alloy Nanoparticles for Highly Efficient Hydrogen Electrocatalysis

Small, Год журнала: 2024, Номер 20(29)

Опубликована: Март 21, 2024

Nanoparticles composed of high-entropy alloys (HEA NPs) exhibit remarkable performance in electrocatalytic processes such as hydrogen evolution and oxidations. In this study, two types quinary HEA NPs PtRhPdIrRu, are synthesized, featuring disordered crystallized nanostructures, both with without a boiling mixture. The (d-HEA size 3.5 nm is synthesized under intense conditions, attributed to improved heat mass transfer during reduction precursors particle growth. displayed an exceptionally high turnover frequency 33.1 s

Язык: Английский

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Enhancing oxygen evolution reactions in nanoporous high-entropy catalysts using boron and phosphorus additives

Nanoscale, Год журнала: 2024, Номер 16(9), С. 4803 - 4810

Опубликована: Янв. 1, 2024

Nanoporous high-entropy catalysts with boron (B) and phosphorus (P) additives were made for the oxygen evolution reaction (OER) in water splitting.

Язык: Английский

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Crystal‐Phase‐Engineered High‐Entropy Alloy Aerogels for Enhanced Ethylamine Electrosynthesis from Acetonitrile

Advanced Materials, Год журнала: 2024, Номер 36(26)

Опубликована: Апрель 16, 2024

Crystal-phase engineering that promotes the rearrangement of active atoms to form new structural frameworks achieves excellent result in field electrocatalysis and optimizes performance various electrochemical reactions. Herein, for first time, it is found different components metallic aerogels will affect crystal-phase transformation, especially high-entropy alloy (HEAAs), whose transformation during annealing more difficult than medium-entropy (MEAAs), but they still show better performance. Specifically, PdPtCuCoNi HEAAs with parent phase face-centered cubic (FCC) PdCu possess 89.24% selectivity, 746.82 mmol h

Язык: Английский

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PtPdCoNiCu/TiO2 High-Entropy alloy catalyst for synthesis of γ-Butyrolactone by selective hydrogenation of maleic anhydride

Chemical Engineering Journal, Год журнала: 2024, Номер 490, С. 151672 - 151672

Опубликована: Апрель 25, 2024

Язык: Английский

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