Review—Recent Advancements in Molybdenum Carbides for Efficient Hydrogen Evolution Reaction

Journal of The Electrochemical Society, Год журнала: 2024, Номер 171(5), С. 056509 - 056509

Опубликована: Май 1, 2024

The quest for economical and sustainable electrocatalysts to facilitate the hydrogen evolution reaction (HER) is paramount in addressing pressing challenges associated with carbon dioxide emissions. Molybdenum carbide-based nanomaterials have emerged as highly promising HER due their Pt-like catalytic proficiency, exceptional stability, versatility of crystal phases. Within this comprehensive review, we explore diverse methodologies synthesizing molybdenum carbides, including solid-gas, solid-solid, solid-liquid phase reactions. In addition, a thorough elucidation generation process through water electrolysis provided. Furthermore, spectrum innovative strategies aimed at augmenting performance carbides milieu introduced, encompassing cutting-edge techniques such phase-transition engineering, construction heterostructures, hetero-atom doping, integration hybrid structures materials, defect meticulous surface modification. review culminates by underscoring current prospects advancement production, dedicated focus on catalysts.

Язык: Английский

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Optimization of 3D Metal‐Based Assemblies for Efficient Electrocatalysis: Structural and Mechanistic Studies

Small, Год журнала: 2025, Номер unknown

Опубликована: Март 17, 2025

Abstract The commercial utilization of low‐dimensional catalysts has been hindered by their propensity for agglomeration and stacking, greatly minimizing active sites. To circumvent this problem, materials can be assembled into systematic 3D architectures to synergistically retain the benefits constituent nanomaterials, with value‐added bulk properties such as increased surface area, improved charge transport pathways, enhanced mass transfer, leading higher catalytic activity durability compared constituents. hierarchical organization building blocks within structures also enables precise control over catalyst's morphology, composition, chemistry, facilitating tailored design specific electrochemical applications. Despite surge in metal‐based assemblies, there are no reviews encompassing different types assemblies from nanomaterials electrocatalysis. Herein, review addresses gap investigating various self‐supported exploring how electrocatalytic performance elevated through structural modifications mechanistic studies tailor them reactions.

Язык: Английский

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Electrocatalytic, Photoelectrocatalytic, and Photocatalytic Performance Parameters and Their Measurement Techniques

Royal Society of Chemistry eBooks, Год журнала: 2025, Номер unknown, С. 68 - 101

Опубликована: Апрель 4, 2025

In this chapter, key parameters, such as specific surface area, porosity, energy density (E), power (P), cyclic stability, coulombic efficiency, conversion efficiency (PCE, η), short circuit current (ISC), open voltage (VOC), fill factor (FF), external quantum (EQE), internal (IQE), apparent (AQE), band gap, solar to H2 (STH), and ammonia (STA) are explained. The characterization techniques used for measuring these parameters discussed in detail.

Язык: Английский

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Self-supported Ru-doped NiMoO₄ for efficient hydrogen evolution with 1000 mA cm⁻² at a low overpotential

Chemical Communications, Год журнала: 2024, Номер 60(50), С. 6423 - 6426

Опубликована: Янв. 1, 2024

This work reports the growth of self-supported Ru-doped NiMoO 4 on commercial NiMo foam, which acts as a highly active and robust electrocatalyst for ampere-level current density hydrogen evolution.

Язык: Английский

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Single-Atom Electrocatalysts for Water Splitting in Acidic Media

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(42), С. 15307 - 15343

Опубликована: Окт. 11, 2024

The proton exchange membrane water electrolyzer (PEMWE) is regarded as the most promising technique to convert intermittent renewable energy sources into clean and storable hydrogen through electrocatalytic splitting. However, commercial electrocatalysts for evolution reaction (HER) oxygen (OER) are based on expensive platinum group metals (PGMs), which predominantly hinder large-scale application of PEMWE. Single-atom (SAECs) with atomic level dispersion metal active sites can greatly minimize usage amount precious while keeping efficient activities. These advantages make SAECs attractive their in In this review, mechanism HER OER, together general synthesis strategies SAECs, was introduced discussed. Subsequently, recent development (non)precious acidic HER, overall splitting summarized, highlighted understanding between electronic structure performance. Finally, challenges perspectives proposed.

Язык: Английский

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Application of ZrO2 and Ni modified carbon nanotube composites as bifunctional water electrolysis catalysts

Diamond and Related Materials, Год журнала: 2024, Номер unknown, С. 111731 - 111731

Опубликована: Окт. 1, 2024

Язык: Английский

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Insight into the influence mechanism of chloride ions towards in-situ electric-induced uranium incorporation into magnetite

Journal of Cleaner Production, Год журнала: 2024, Номер 471, С. 143397 - 143397

Опубликована: Авг. 13, 2024

Язык: Английский

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Experimental and Theoretical Investigations on Hydrogen Evolution Reaction (HER) Abilities of Some Salphen and Salen Complexes

Chemistry Africa, Год журнала: 2024, Номер unknown

Опубликована: Сен. 30, 2024

Язык: Английский

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