Themed collection Hydrogen production
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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.
EES. Catal., 2024,2, 585-602
https://doi.org/10.1039/D3EY00279A
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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.
EES. Catal., 2024,2, 612-623
https://doi.org/10.1039/D3EY00246B
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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.
EES. Catal., 2024,2, 365-378
https://doi.org/10.1039/D3EY00225J
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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.
EES. Catal., 2023,1, 1017-1024
https://doi.org/10.1039/D3EY00157A
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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.
EES. Catal., 2023,1, 998-1008
https://doi.org/10.1039/D3EY00182B
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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.
EES. Catal., 2023,1, 765-773
https://doi.org/10.1039/D3EY00101F
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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.
EES. Catal., 2023,1, 720-729
https://doi.org/10.1039/D3EY00113J
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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.
EES. Catal., 2023,1, 730-741
https://doi.org/10.1039/D3EY00046J
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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.
EES. Catal., 2023,1, 695-703
https://doi.org/10.1039/D3EY00020F
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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.
EES. Catal., 2023,1, 552-561
https://doi.org/10.1039/D3EY00055A
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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.
EES. Catal., 2023,1, 571-579
https://doi.org/10.1039/D3EY00037K
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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.
EES. Catal., 2023,1, 255-262
https://doi.org/10.1039/D2EY00109H
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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.
EES. Catal., 2023,1, 84-93
https://doi.org/10.1039/D2EY00049K
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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.
EES. Catal., 2023,1, 74-83
https://doi.org/10.1039/D2EY00062H
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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.
EES. Catal., 2023,1, 26-35
https://doi.org/10.1039/D2EY00031H
About this collection
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.