Themed collection Energy Frontiers: Hydrogen

46 items
Open Access Perspective

Dos and don’ts in screening water splitting electrocatalysts

A perspective with an explicit account of the appropriate screening of water splitting electrocatalysts advocating dos and don’ts!

Graphical abstract: Dos and don’ts in screening water splitting electrocatalysts
From the themed collection: Energy Advances Recent Review Articles
Open Access Perspective

Perspective on the hydrogen economy as a pathway to reach net-zero CO2 emissions in Europe

The envisioned role of hydrogen in the energy transition – or the concept of a hydrogen economy – has varied through the years.

Graphical abstract: Perspective on the hydrogen economy as a pathway to reach net-zero CO2 emissions in Europe
From the themed collection: Recent Open Access Articles
Open Access Perspective

Facilitating green ammonia manufacture under milder conditions: what do heterogeneous catalyst formulations have to offer?

The transition to green ammonia is necessary, but conventional catalysts perform poorly under ‘green’ reaction conditions. We provide a perspective on the recent progress in developing more efficient catalysts for lower temperatures and pressures.

Graphical abstract: Facilitating green ammonia manufacture under milder conditions: what do heterogeneous catalyst formulations have to offer?
From the themed collection: Energy Frontiers: Hydrogen
Open Access Perspective

On the climate impacts of blue hydrogen production

Natural gas based hydrogen production with carbon capture and storage is referred to as blue hydrogen.

Graphical abstract: On the climate impacts of blue hydrogen production
From the themed collection: Recent Open Access Articles
Perspective

Seawater electrolysis for hydrogen production: a solution looking for a problem?

This study assesses research and development needs for direct seawater electrolysis from energy, cost and environmental aspects and presents a forward-looking perspective on future R&D priorities in desalination and electrolysis technologies.

Graphical abstract: Seawater electrolysis for hydrogen production: a solution looking for a problem?
From the themed collection: Energy Frontiers: Hydrogen
Open Access Perspective

Durability of anion exchange membrane water electrolyzers

Understanding the durability-limiting factors of anion exchange membrane water electrolyzers operating under pure water-, KOH- and K2CO3-fed conditions.

Graphical abstract: Durability of anion exchange membrane water electrolyzers
From the themed collection: Recent Open Access Articles
Open Access Perspective

Enabling large-scale hydrogen storage in porous media – the scientific challenges

This article identifies and discusses the scientific challenges of hydrogen storage in porous media for safe and efficient large-scale energy storage to enable a global hydrogen economy.

Graphical abstract: Enabling large-scale hydrogen storage in porous media – the scientific challenges
From the themed collection: Recent Open Access Articles
Minireview

Recent progress with electrocatalysts for urea electrolysis in alkaline media for energy-saving hydrogen production

Urea electrolysis is a promising energy-saving avenue for hydrogen production owing to the low cell voltage, wastewater remediation and abundant electrocatalysts.

Graphical abstract: Recent progress with electrocatalysts for urea electrolysis in alkaline media for energy-saving hydrogen production
From the themed collection: Energy Frontiers: Hydrogen
Open Access Review Article

Two-dimensional materials for photoelectrochemical water splitting

This review summarizes the superiorities and utilizations of 2D materials for photoelectrochemical water splitting including transition metal dichalcogenides, graphene, graphdiyne, black phosphorus, layered double hydroxides, g-C3N4, and MXenes.

Graphical abstract: Two-dimensional materials for photoelectrochemical water splitting
From the themed collection: Energy Advances Recent Review Articles
Open Access Review Article

A critical review of technologies, costs, and projects for production of carbon-neutral liquid e-fuels from hydrogen and captured CO2

Hydrogen (H2) production along with CCUS (carbon capture, utilization, and storage) are two key areas for transition to net-zero emission. Carbon-neutral liquid e-fuels produced from H2 and captured CO2 are practical alternatives to fossil fuels.

Graphical abstract: A critical review of technologies, costs, and projects for production of carbon-neutral liquid e-fuels from hydrogen and captured CO2
Open Access Review Article

Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities

Hydrogen is emerging as one of the most promising energy carriers for a decarbonised global energy system.

Graphical abstract: Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities
From the themed collection: Energy Frontiers: Hydrogen
Open Access Review Article

Water electrolysis: from textbook knowledge to the latest scientific strategies and industrial developments

Replacing fossil fuels with energy sources and carriers that are sustainable, environmentally benign, and affordable is amongst the most pressing challenges for future socio-economic development.

Graphical abstract: Water electrolysis: from textbook knowledge to the latest scientific strategies and industrial developments
From the themed collection: Energy Frontiers: Hydrogen
Review Article

Recent developments of nanocatalyzed liquid-phase hydrogen generation

Nanocomposite catalysts have dramatically improved hydrogen generation from several hydrogen-rich sources in the liquid phase toward the transport of this green fuel.

Graphical abstract: Recent developments of nanocatalyzed liquid-phase hydrogen generation
From the themed collection: Energy Frontiers: Hydrogen
Review Article

Recent advances in transition-metal-sulfide-based bifunctional electrocatalysts for overall water splitting

This review summarizes recent advances relating to transition metal sulfide (TMS)-based bifunctional electrocatalysts, providing guidelines for the design and fabrication of TMS-based catalysts for practical application in water electrolysis.

Graphical abstract: Recent advances in transition-metal-sulfide-based bifunctional electrocatalysts for overall water splitting
Open Access Review Article

Green hydrogen from anion exchange membrane water electrolysis: a review of recent developments in critical materials and operating conditions

Hydrogen production using water electrolysers equipped with an anion exchange membrane, a pure water feed and cheap components (catalysts and bipolar plates) can challenge proton exchange membrane electrolysis systems as the state of the art.

Graphical abstract: Green hydrogen from anion exchange membrane water electrolysis: a review of recent developments in critical materials and operating conditions
From the themed collection: Energy Frontiers: Hydrogen
Review Article

A review on fundamentals for designing oxygen evolution electrocatalysts

The fundamentals related to the oxygen evolution reaction and catalyst design are summarized and discussed.

Graphical abstract: A review on fundamentals for designing oxygen evolution electrocatalysts
From the themed collection: Energy Frontiers: Hydrogen
Review Article

Metal-free photocatalysts for hydrogen evolution

This article provides a comprehensive review of the latest progress, challenges and recommended future research related to metal-free photocatalysts for hydrogen production via water-splitting.

Graphical abstract: Metal-free photocatalysts for hydrogen evolution
From the themed collection: Energy Frontiers: Hydrogen
Tutorial Review

Catalytic self-transfer hydrogenolysis of lignin with endogenous hydrogen: road to the carbon-neutral future

This review describes recently developed self-transfer hydrogenolysis for the lignin depolymerization using itself as a hydrogen donor and proposes a concept of endogenous hydrogen efficiency to assess the utilization rate of endogenous hydrogen.

Graphical abstract: Catalytic self-transfer hydrogenolysis of lignin with endogenous hydrogen: road to the carbon-neutral future
From the themed collection: Energy Frontiers: Hydrogen
Analysis

Life-cycle greenhouse gas emissions and net energy assessment of large-scale hydrogen production via electrolysis and solar PV

Environmental impacts and net-energy of hydrogen production via solar-electrolysis are highly sensitive to operating constraints and context specific variances.

Graphical abstract: Life-cycle greenhouse gas emissions and net energy assessment of large-scale hydrogen production via electrolysis and solar PV
From the themed collection: Energy Frontiers: Hydrogen
Open Access Analysis

Current and future role of Haber–Bosch ammonia in a carbon-free energy landscape

The future of green ammonia as long-term energy storage relies on the replacement of the conventional CO2 intensive methane-fed Haber–Bosch process by distributed and agile ones aligned to the geographically isolated and intermittent renewable energy.

Graphical abstract: Current and future role of Haber–Bosch ammonia in a carbon-free energy landscape
From the themed collection: Energy Frontiers: Hydrogen
Communication

Mn-incorporated nickel selenide: an ultra-active bifunctional electrocatalyst for hydrogen evolution and urea oxidation reactions

One-step electrodeposition strategy is employed to synthesis the Ni–Mn–Se electrocatalyst, exhibiting remarkable hydrogen evolution and urea oxidation reactions catalytic activity and stability at large current densities even superior to platinum.

Graphical abstract: Mn-incorporated nickel selenide: an ultra-active bifunctional electrocatalyst for hydrogen evolution and urea oxidation reactions
From the themed collection: Energy Frontiers: Hydrogen
Open Access Communication

Efficiency gains for thermally coupled solar hydrogen production in extreme cold

We analyse the potential of solar hydrogen production in remote and cold world regions such as Antarctica and quantify the efficiency benefits of thermal coupling.

Graphical abstract: Efficiency gains for thermally coupled solar hydrogen production in extreme cold
From the themed collection: Recent Open Access Articles
Communication

Catalytic hydrogenation enabled by ligand-based storage of hydrogen

Using inspiration from biological cofactors, the reversible storage of hydrogen on a supporting dihydrazonopyrrole ligand enables catalytic hydrogenation reactivity with nickel.

Graphical abstract: Catalytic hydrogenation enabled by ligand-based storage of hydrogen
From the themed collection: Energy Frontiers: Hydrogen
Communication

Exceptional performance of hierarchical Ni–Fe oxyhydroxide@NiFe alloy nanowire array electrocatalysts for large current density water splitting

Exceptionally high OER & HER performances were achieved by rationally designing the electrode structure of non-noble NiFe materials.

Graphical abstract: Exceptional performance of hierarchical Ni–Fe oxyhydroxide@NiFe alloy nanowire array electrocatalysts for large current density water splitting
From the themed collection: Energy Frontiers: Hydrogen
Open Access Edge Article

A covalent cobalt diimine-dioxime – fullerene assembly for photoelectrochemical hydrogen production from near-neutral aqueous media

The covalent assembly between a cobalt diimine-dioxime complex and a fullerenic moiety results in enhanced catalytic properties in terms of overpotential requirement for H2 evolution and allows its integration in an operating photocathode.

Graphical abstract: A covalent cobalt diimine-dioxime – fullerene assembly for photoelectrochemical hydrogen production from near-neutral aqueous media
From the themed collection: Energy Frontiers: Hydrogen
Open Access Edge Article

On the electronic structure and hydrogen evolution reaction activity of platinum group metal-based high-entropy-alloy nanoparticles

RuRhPdIrPt high-entropy-alloy nanoparticles with a broad and featureless valence band spectrum show high hydrogen evolution reaction activity.

Graphical abstract: On the electronic structure and hydrogen evolution reaction activity of platinum group metal-based high-entropy-alloy nanoparticles
From the themed collection: Energy Frontiers: Hydrogen
Paper

Formic acid as H2 storage system: hydrogenation of CO2 and decomposition of formic acid by solid molecular phosphine catalysts

The synthesis and decomposition of formic acid (FA) in aqueous triethylamine (NEt3) with solid molecular phosphine catalysts is demonstrated.

Graphical abstract: Formic acid as H2 storage system: hydrogenation of CO2 and decomposition of formic acid by solid molecular phosphine catalysts
From the themed collection: Energy Frontiers: Hydrogen
Open Access Paper

Impact of fuel cells on hydrogen energy pathways in a sustainable energy economy

Key performance characteristics of Proton Exchange Membrane (PEMFC) and Solid Oxide Fuel Cell (SOFC) are compared with emphasis on the sustainability of energy pathways showing that hydrogen for use in PEMFC is best supplied from renewable hydrogen.

Graphical abstract: Impact of fuel cells on hydrogen energy pathways in a sustainable energy economy
From the themed collection: Recent Open Access Articles
Open Access Paper

Enhancing the photocatalytic hydrogen generation performance and strain regulation of the vertical GeI2/C2N van der Waals heterostructure: insights from first-principles study

The band edges of GeI2/C2N vdW are favourable to generate H2 at pH 0 to 9 with transition from a type-II indirect to type-I direct bandgap semiconductor under tensile biaxial strain.

Graphical abstract: Enhancing the photocatalytic hydrogen generation performance and strain regulation of the vertical GeI2/C2N van der Waals heterostructure: insights from first-principles study
Paper

An organometal halide perovskite supported Pt single-atom photocatalyst for H2 evolution

An organometal halide perovskite supported Pt single-atom photocatalyst is developed for efficient H2 evolution with a superb STH of 4.50%.

Graphical abstract: An organometal halide perovskite supported Pt single-atom photocatalyst for H2 evolution
From the themed collection: Energy Frontiers: Hydrogen
Paper

Unraveling the dual defect sites in graphite carbon nitride for ultra-high photocatalytic H2O2 evolution

The g-C3N4 with dual defect sites exhibits excellent photocatalytic H2O2 generation activity and selectivity, and the key role of each defect site in the surface reaction mechanism is revealed.

Graphical abstract: Unraveling the dual defect sites in graphite carbon nitride for ultra-high photocatalytic H2O2 evolution
From the themed collection: Energy Frontiers: Hydrogen
Paper

Strain engineering in the oxygen reduction reaction and oxygen evolution reaction catalyzed by Pt-doped Ti2CF2

Strain engineering can regulate the electronic structure of the catalyst and then boosts the catalytic activity of Pt-doped Ti2CF2 (Pt-VF-Ti2CF2).

Graphical abstract: Strain engineering in the oxygen reduction reaction and oxygen evolution reaction catalyzed by Pt-doped Ti2CF2
From the themed collection: Energy Frontiers: Hydrogen
Paper

Etching C6CoK3N6-induced ZnCdS for improved hydrogen evolution

The design and construction of advanced functional structures for photocatalysts has been proven to be an extremely effective approach to greatly enhance their properties toward higher solar-driven water splitting efficiency.

Graphical abstract: Etching C6CoK3N6-induced ZnCdS for improved hydrogen evolution
From the themed collection: Energy Frontiers: Hydrogen
Paper

Constructing CuNi dual active sites on ZnIn2S4 for highly photocatalytic hydrogen evolution

Novel CuNi bimetal-modified ZnIn2S4 photocatalysts with enhanced photocatalytic hydrogen evolution performance have been explored. The possible mechanism of the synergistic effect and spillover effect between Cu and Ni were proposed.

Graphical abstract: Constructing CuNi dual active sites on ZnIn2S4 for highly photocatalytic hydrogen evolution
From the themed collection: Energy Frontiers: Hydrogen
Paper

Optimizing accuracy and efficacy in data-driven materials discovery for the solar production of hydrogen

We develop and demonstrate a comprehensive data-driven screening protocol with co-validation between experiment and theory to maximize the success rate of materials discovery for photocatalytic hydrogen generation.

Graphical abstract: Optimizing accuracy and efficacy in data-driven materials discovery for the solar production of hydrogen
From the themed collection: Energy Frontiers: Hydrogen
Paper

Realizing 6.7 wt% reversible storage of hydrogen at ambient temperature with non-confined ultrafine magnesium hydrides

Non-confined MgH2 nanoparticles of 4–5 nm diameter enable reversible storage of hydrogen up to 6.7 wt% at 30 °C.

Graphical abstract: Realizing 6.7 wt% reversible storage of hydrogen at ambient temperature with non-confined ultrafine magnesium hydrides
From the themed collection: Energy Frontiers: Hydrogen
Open Access Paper

Efficient non-metal based conducting polymers for photocatalytic hydrogen production: comparative study between polyaniline, polypyrrole and PEDOT

Incorporation of conducting polymers (CPs) with TiO2 is considered a promising pathway toward the fabrication of highly efficient non-metal based photocatalysts.

Graphical abstract: Efficient non-metal based conducting polymers for photocatalytic hydrogen production: comparative study between polyaniline, polypyrrole and PEDOT
From the themed collection: Energy Frontiers: Hydrogen
Paper

Pyrene-containing conjugated organic microporous polymers for photocatalytic hydrogen evolution from water

Pyrene based conjugated microporous polymers (CMPs) as photocatalysts with promising H2 production efficiencies and very high stability.

Graphical abstract: Pyrene-containing conjugated organic microporous polymers for photocatalytic hydrogen evolution from water
From the themed collection: Energy Frontiers: Hydrogen
Paper

Exfoliated conjugated porous polymer nanosheets for highly efficient photocatalytic hydrogen evolution

A common strategy is developed to exfoliate bulk CPPs into nanosheets for highly efficient PHP performance.

Graphical abstract: Exfoliated conjugated porous polymer nanosheets for highly efficient photocatalytic hydrogen evolution
From the themed collection: Energy Frontiers: Hydrogen
Open Access Paper

Demonstration of green hydrogen production using solar energy at 28% efficiency and evaluation of its economic viability

The solar to hydrogen (STH) efficiency of photovoltaic-electrolysis (PV-E) setups are a key parameter to lower the cost of green hydrogen produced.

Graphical abstract: Demonstration of green hydrogen production using solar energy at 28% efficiency and evaluation of its economic viability
From the themed collection: Recent Open Access Articles
Paper

Improvement of the hydrogen storage characteristics of MgH2 with a flake Ni nano-catalyst composite

The Mg2Ni/Mg2NiH4 formed in the original position in process of hydrogen absorption and dehydrogenation is distributed around Mg/MgH2, which accelerates the rate of hydrogen absorption and dehydrogenation.

Graphical abstract: Improvement of the hydrogen storage characteristics of MgH2 with a flake Ni nano-catalyst composite
From the themed collection: Energy Frontiers: Hydrogen
Open Access Paper

Li–fluorine codoped electrospun carbon nanofibers for enhanced hydrogen storage

We developed a facile, yet general, approach for preparing Li–fluorine codoped porous carbon nanofiber (Li–F–PCNF) composites, which showed excellent hydrogen storage performance.

Graphical abstract: Li–fluorine codoped electrospun carbon nanofibers for enhanced hydrogen storage
From the themed collection: Energy Frontiers: Hydrogen
Open Access Paper

Hydrogen production from natural gas and biomethane with carbon capture and storage – A techno-environmental analysis

We quantify the technical and environmental performance of clean hydrogen production (with CCS) by linking detailed process simulation with LCA.

Graphical abstract: Hydrogen production from natural gas and biomethane with carbon capture and storage – A techno-environmental analysis
From the themed collection: Recent Open Access Articles
Paper

The HER/OER mechanistic study of an FeCoNi-based electrocatalyst for alkaline water splitting

In operando XAS investigation on FeCoNi-based thin film unravels that Fe3+-assisted water dissociation promotes the formation of Co2+–μ-H–Ni3+ species, and the conductive character of Co2+Ni3+-oxide matrix facilitates the coupling of adjacent [Fe4+[double bond, length as m-dash]O/Fe3+–O˙] motifs.

Graphical abstract: The HER/OER mechanistic study of an FeCoNi-based electrocatalyst for alkaline water splitting
From the themed collection: Energy Frontiers: Hydrogen
Paper

Photocatalytic hydrogen evolution on a high-entropy oxide

A two-phase high-entropy oxide with orange color and good light absorbance is introduced as a photocatalyst for hydrogen production.

Graphical abstract: Photocatalytic hydrogen evolution on a high-entropy oxide
From the themed collection: Energy Frontiers: Hydrogen
Research Article

Carbon quantum dots enhanced the activity for the hydrogen evolution reaction in ruthenium-based electrocatalysts

The Ru supported on Porphyra-CQDs exhibited better dispersibility and the highest activity compared with biomass Porphyra and Porphyra activated carbon owing to the strong coordination interactions between Ru and CQDs.

Graphical abstract: Carbon quantum dots enhanced the activity for the hydrogen evolution reaction in ruthenium-based electrocatalysts
From the themed collection: Energy Frontiers: Hydrogen
46 items

About this collection

It is expected that the use of Hydrogen will contribute significantly to the decarbonisation of the energy sector, and many Hydrogen production routes (like water electrolysis) are renewable and low-carbon. There are many challenges associated with widespread implementation of Hydrogen technologies however, meaning that continued research and innovation into this topic is as important as ever.

This collection showcases some of the latest cutting-edge research on hydrogen technologies for a more sustainable future, including hydrogen production, storage, decarbonisation, scale-up and more. What do you envision to be the next frontier in Hydrogen Energy technologies? If you’re working at the forefront of this research area we welcome you to submit your own hydrogen energy research to our journals.

Join us for our LiveStream session on this topic on 15th November 2022!

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