Themed collection Hydrogen production

17 items
Open Access Communication

Sulfur-regulated metal–support interaction boosting the hydrogen evolution performance of Ru clusters in seawater at industrial current densities

Ru nanocluster-anchored sulfur and nitrogen co-doped carbon hollow spheres exhibit high hydrogen evolution reaction performance in alkaline real seawater.

Graphical abstract: Sulfur-regulated metal–support interaction boosting the hydrogen evolution performance of Ru clusters in seawater at industrial current densities
From the themed collection: Hydrogen production
Open Access Communication

One-dimensional nanotube of a metal–organic framework boosts charge separation and photocatalytic hydrogen evolution from water: synthesis and underlying understanding

1D Mn-TBAPy-NT MOF nanotubes were synthesized and demonstrated to favor charge separation as well as photocatalytic hydrogen evolution at a level better than that of the corresponding bulk sample, and specifically achieving an AQE of 11.7% at 420 nm, a benchmark among MOF-type photocatalysts.

Graphical abstract: One-dimensional nanotube of a metal–organic framework boosts charge separation and photocatalytic hydrogen evolution from water: synthesis and underlying understanding
From the themed collection: Hydrogen production
Open Access Paper

Microporous transport layers facilitating low iridium loadings in polymer electrolyte water electrolysis

The 3D structure of the anodic catalyst layer in polymer electrolyte water electrolysis is characterized and its shown that Pt-coated microporous transport layers help to reduce iridium loadings by maximizing catalyst utilization.

Graphical abstract: Microporous transport layers facilitating low iridium loadings in polymer electrolyte water electrolysis
From the themed collection: Hydrogen production
Open Access Paper

Predicting the rates of photocatalytic hydrogen evolution over cocatalyst-deposited TiO2 using machine learning with active photon flux as a unifying feature

An accurate model for predicting TiO2 photocatalytic hydrogen evolution reaction (HER) rates is hereby presented.

Graphical abstract: Predicting the rates of photocatalytic hydrogen evolution over cocatalyst-deposited TiO2 using machine learning with active photon flux as a unifying feature
From the themed collection: Hydrogen production
Open Access Paper

Enhanced H2 production at the atomic Ni–Ce interface following methanol steam reforming

As the active component for MSR, the atomically dispersed Ni–CeOx interfacial sites connect the MD and WGS, in which the Ni sites and Ov in CeOx contribute to the activation of methanol and water, respectively, resulting in excellent MSR activity.

Graphical abstract: Enhanced H2 production at the atomic Ni–Ce interface following methanol steam reforming
From the themed collection: Hydrogen production
Open Access Paper

Reducing the pH dependence of hydrogen evolution kinetics via surface reactivity diversity in medium-entropy alloys

A surface reactivity diversity strategy is proposed for reducing the pH dependence of HER kinetics in medium-entropy alloys, in which favorable adsorption of intermediates at different pH levels can be achieved by diverse surface sites.

Graphical abstract: Reducing the pH dependence of hydrogen evolution kinetics via surface reactivity diversity in medium-entropy alloys
From the themed collection: Hydrogen production
Open Access Paper

Operando monitoring of gas bubble evolution in water electrolysis by single high-frequency impedance

A single frequency impedance method is introduced, based on an optimum high frequency of minimum phase and faradaic processes, to monitor gas bubble evolution during water electrolysis in operando.

Graphical abstract: Operando monitoring of gas bubble evolution in water electrolysis by single high-frequency impedance
From the themed collection: Hydrogen production
Open Access Paper

A survey of Earth-abundant metal oxides as oxygen evolution electrocatalysts in acidic media (pH < 1)

A promising strategy to estabilize earth-abundant transition metal oxides during water electrolysis in acidic media to compete with noble metal water oxidation catalysts.

Graphical abstract: A survey of Earth-abundant metal oxides as oxygen evolution electrocatalysts in acidic media (pH < 1)
From the themed collection: Hydrogen production
Open Access Paper

CeO2 supported high-valence Fe oxide for highly active and stable water oxidation

The high-valence Fe ions are stabilized on a CeO2 support and achieved a record low overpotential of 219 mV to reach the current density of 50 mA cm−2.

Graphical abstract: CeO2 supported high-valence Fe oxide for highly active and stable water oxidation
From the themed collection: Hydrogen production
Open Access Paper

High performance acidic water electrooxidation catalysed by manganese–antimony oxides promoted by secondary metals

Modification of the manganese–antimony oxide nanocomposites with lead produces an active and highly robust electrocatalyst for anodes of hydrogen-generating water electrolysers with proton conducting electrolytes.

Graphical abstract: High performance acidic water electrooxidation catalysed by manganese–antimony oxides promoted by secondary metals
From the themed collection: Hydrogen production
Open Access Paper

Hydrogen spillover in Pt5Ru1 nanoalloy decorated Ni3S2 enabling pH-universal electrocatalytic hydrogen evolution

Based on the hydrogen spillover effect, the binary ‘metal–support’ Ni3S2/Pt5Ru1 is in situ constructed on Ni foam for electrocatalytic hydrogen evolution.

Graphical abstract: Hydrogen spillover in Pt5Ru1 nanoalloy decorated Ni3S2 enabling pH-universal electrocatalytic hydrogen evolution
From the themed collection: Hydrogen production
Open Access Paper

Electron-rich pyrimidine rings enabling crystalline carbon nitride for high-efficiency photocatalytic hydrogen evolution coupled with benzyl alcohol selective oxidation

With electron-rich pyrimidine rings introduced, the obtained crystalline PCN is favored with rationally modulated band and electronic structures, resulting in efficient photocatalytic hydrogen evolution and benzyl alcohol selective oxidation.

Graphical abstract: Electron-rich pyrimidine rings enabling crystalline carbon nitride for high-efficiency photocatalytic hydrogen evolution coupled with benzyl alcohol selective oxidation
From the themed collection: Hydrogen production
Open Access Paper

Single-atomic rhenium-assisted 2H-to-1T phase transformation of MoS2 nanosheets boosting electrocatalytic hydrogen evolution

Single-atomic Re on 1T-2H MoS2 heterostructure demonstrates HER performance on par with Pt/C electrocatalyst. This good performance is attributed to the introduction of Re single atoms that promote phase transition and serve as active sites for water dissociation.

Graphical abstract: Single-atomic rhenium-assisted 2H-to-1T phase transformation of MoS2 nanosheets boosting electrocatalytic hydrogen evolution
From the themed collection: Hydrogen production
Open Access Paper

An unexplored role of the CrOx shell in an elaborated Rh/CrOx core–shell cocatalyst for photocatalytic water splitting: a selective electron transport pathway from semiconductors to core metals, boosting charge separation and H2 evolution

In a Rh/CrOx core–shell cocatalyst for water-splitting photocatalysts, CrOx serves as an electron pathway, transfers the photoexcited electrons from photocatalysts to Rh (reduction site), and improves the H2 evolution activity.

Graphical abstract: An unexplored role of the CrOx shell in an elaborated Rh/CrOx core–shell cocatalyst for photocatalytic water splitting: a selective electron transport pathway from semiconductors to core metals, boosting charge separation and H2 evolution
From the themed collection: Hydrogen production
Open Access Paper

Boosting the activity of PdAg alloy nanoparticles during H2 production from formic acid induced by CrOx as an inorganic interface modifier

The CrOx modification of PdAg nanoparticles promotes the dehydrogenation of formic acid, which is attributed to the interplay of unique ensemble sites, at which electron-deficient Agδ+ and electron-rich Pdδ atoms were adjacent.

Graphical abstract: Boosting the activity of PdAg alloy nanoparticles during H2 production from formic acid induced by CrOx as an inorganic interface modifier
From the themed collection: Hydrogen production
Open Access Paper

Effect of charge selective contacts on the quasi Fermi level splitting of CuGa3Se5 thin film photocathodes for hydrogen evolution and methylviologen reduction

The defect-copper chalcopyrite CuGa3Se5 is a promising photocathode material for solar hydrogen generation. Here we assess its performance with photoelectrochemical measurements and vibrating Kelvin probe surface photovoltage spectroscopy.

Graphical abstract: Effect of charge selective contacts on the quasi Fermi level splitting of CuGa3Se5 thin film photocathodes for hydrogen evolution and methylviologen reduction
From the themed collection: Hydrogen production
Open Access Paper

Zr-doped BaTaO2N photocatalyst modified with Na–Pt cocatalyst for efficient hydrogen evolution and Z-scheme water splitting

Detailed investigation of photocatalysts, cocatalysts and redox mediators provides a Z-scheme overall water splitting system operating under long-wavelength visible light.

Graphical abstract: Zr-doped BaTaO2N photocatalyst modified with Na–Pt cocatalyst for efficient hydrogen evolution and Z-scheme water splitting
From the themed collection: Hydrogen production
17 items

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EES Catalysis is the home of innovative catalytic technologies. Please find here the topic collection for hydrogen production, which is key to sustainable energy storage.

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