Themed collection Sustainable Energy & Fuels Recent HOT Articles
An insight into perovskite-based photocatalysts for artificial photosynthesis
Schematic illustration of perovskite-based photocatalysts for artificial photosynthesis.
Solar self-powered wireless charging pavement—a review on photovoltaic pavement and wireless charging for electric vehicles
The world today is facing an energy crisis, which has promoted the development and utilization of renewable energy, of which solar energy has the greatest potential.
Recent advances and perspectives of two-dimensional Ti-based electrodes for electrochemical energy storage
Two-dimensional (2D) titanium (Ti)-based nanomaterials have been extensively investigated due to their small strain expansion, abundant ion diffusion paths, high safety, and low cost.
Recent advances in understanding and relieving capacity decay of lithium ion batteries with layered ternary cathodes
This review focuses on the capacity decay mechanism and enhancement strategies for layered ternary lithium ion batteries.
A review on infiltration techniques for energy conversion and storage devices: from fundamentals to applications
Infiltration is a facile, effective, and intuitive fabrication technique that provides nanostructured surfaces for electrodes and catalysts.
External abiotic glucose fuel cells
The excellent performance of glucose-fed liquid catalyst fuel cells compared to glucose-fed solid catalyst fuel cells.
Single-atom catalysts for electrochemical clean energy conversion: recent progress and perspectives
We summarized here the recent progress and perspectives on single-atom catalysts for electrochemical clean energy conversion.
Carbon-based photocatalysts for enhanced photocatalytic reduction of CO2 to solar fuels
The figure illustrates the potential of various carbon-based photocatalysts as conducting supports for enhanced photocatalytic reduction of CO2.
Mo-doping allows high performance for a perovskite cathode applied in proton-conducting solid oxide fuel cells
The Mo-doping strategy allows the traditional Ba0.5Sr0.5Co0.8Fe0.2O3−δ (BSCF) cathode to show improvements in hydration ability, proton migration ability and chemical stability, leading to high performance of the fuel cell with good stability.
Improving the efficiency of electrokinetic conversion in nanofluidics with graphene-engineered surface
We demonstrate decoupling of the flow boundary and surface electrical charging with single-layer graphene, which promotes the energy efficiency of a streaming generator by a factor of 20–100.
An anode-free aqueous dual-ion battery
Herein, a novel anode-free aqueous dual-ion cell is developed with expanded graphite as cathode, inactive current collector as anode replacement and inorganic/organic hybrid zinc salts as electrolyte.
Study on photo-degradation of inverted organic solar cells caused by generation of potential barrier between PEDOT:PSS and PBDB-Ts
We investigated the photo-stability of PBDB-T, which is a widely used donor material for organic solar cells (OSCs), in OSCs. The OSCs based on PBDB-T did not show good stability, which can be originated in the dedoping of PEDOT:PSS by PBDB-T.
Photoelectrochemical concurrent hydrogen generation and heavy metal recovery from polluted acidic mine water
The feasibility of a solar-driven photoelectrochemical process to generate hydrogen fuel from metal mine polluted water while simultaneously recovering heavy metals has been explored.
Synergetic effects of DMA cation doping and Cl anion additives induced re-growth of MA1−xDMAxPbI3 perovskites
We report a dual-ion exchange and alloy method using DMACl to significantly improve the stability and performance of MAPbI3 perovskites.
Tungsten oxide-coated copper gallium selenide sustains long-term solar hydrogen evolution
Employs ultrathin WO3 coatings on CuGa3Se5 photocathodes to achieve a new durability milestone for solar hydrogen evolution on a non-silicon absorber.
Increased hydrogen partial pressure suppresses and reverses hydrogen evolution during Pd catalysed electrolysis of CO2
Control over selectivity towards HCOO− rather than H2 is acquired by using elevated pressure of hydrogen during CO2 electrolysis.
A novel rechargeable bromine-ion battery and the induction of bromine ions on metal electrodes
In recent years, bromine has been widely used in batteries due to its higher theoretical specific capacity, but unfortunately, no battery has been reported based on the absorption/desorption principle of a single bromine ion.
An in situ formed LiF protective layer on a Li metal anode with solvent-less cross-linking
The artificial SEI layer that includes LiF can be fabricated simply through thermal curing of an F rich material on the surface of Li metal. The proposed artificial SEI layer design offers an alternative strategy for stabilizing the surface of Li metal.
Facile fabrication of Ir/CNT/rGO nanocomposites with enhanced electrocatalytic performance for the hydrogen evolution reaction
The facilely prepared Ir/CNT/rGO composite delivers low overpotential and long lifetime for the hydrogen evolution reaction.
Plasma-reduced Co(OH)2 with activated hydrogen evolution and overall water splitting performance
An Ar/H2 plasma reduction strategy is developed to accelerate the HER and overall water splitting performance of Co(OH)2.
A hierarchical CoMoO4 nanoparticle decorated nanoplate array as an electrocatalyst toward improved alkaline oxygen evolution reaction
CoMoO4 NP@PAs/NF needs a low overpotential of only 317 mV to attain 100 mA cm−2 for the OER.
From Douglas fir to renewable H2-enriched syngas via ex situ catalytic pyrolysis over metal nanoparticles–nanocellulose derived carbon catalysts
A carbon catalyst, which was derived from nanocellulose (NC) and doped with uniform sized and well dispersed metal nanoparticles, showed optimal performance for the generation of H2-enriched (67.4 vol%) syngas from the catalytic pyrolysis of biomass.
High-performance tungsten carbide electrocatalysts for the hydrogen evolution reaction
High charge transport efficiency and a large specific surface are two critical factors for the hydrogen evolution reaction.
Facile and green one-step synthesis of Ni3S2@CN carbon nanosheets from sodium lignosulfonate for a supercapacitor electrode
A green and facile strategy was designed to fabricate Ni3S2-doped carbon nanosheets (Ni3S2@CN).
A photocatalyst foam for superior visible-light photocatalytic hydrogen evolution
A photocatalyst foam is developed by growing high-density CdS microspheres on Ni2P nanolayer-modified Ni foam (NF) for efficient visible-light-driven photocatalytic H2 evolution.
A facile freeze–thaw ultrasonic assisted circulation method of graphite flakes prepared by anode graphite from spent lithium-ion batteries for application in nanofluids
A facile freeze–thaw ultrasonic assisted circulation method to prepare two-dimensional low-layers graphite by anode graphite from spent LIBs was proposed.
Direct fabrication of phosphorus-doped nickel sulfide and eco-friendly biomass-derived humic acid as efficient electrodes for energy storage applications
High-performance asymmetric energy storage systems, benefit from both high energy and power densities, as well as long-term stability, have been developed using P-doped NiS–NF and carbonized humic acid as positive and negative electrodes, respectively.
Boosting the electrocatalytic hydrogen evolution and sodium-storage properties of Co9S8 nanoparticles via encapsulation with nitrogen-doped few-layer graphene networks
Co9S8 nanoparticles coated with N-doped few-layer graphene show improved electrocatalytic hydrogen evolution and sodium storage performance.
The role of hydrogen in heavy transport to operate within planetary boundaries
Fueling trucks with green hydrogen shows a favorable environmental life-cycle performance with respect to conventional diesel. Hydrogen as an alternative fuel would help society to safely operate within the absolute ecological limits of our planet.
High thermoelectric efficiency in electrodeposited silver selenide films: from Pourbaix diagram to a flexible thermoelectric module
High thermoelectric efficient is obtained in electrodeposited silver selenide films and a unileg flexible thermoelectric module is fabricated with a maximum power density of 138.6 mW m−2 at 19 K.
Benefits of active site proximity in Cu@UiO-66 catalysts for efficient upgrading of ethanol to n-butanol
The proximity of Cu metal sites and Lewis acid–oxygen vacancy pairs (Zr3–□) dictates the catalytic performance of the upgrading of ethanol to n-butanol.
Design of a ZnS/CdS/rGO composite nanosheet photocatalyst with multi-interface electron transfer for high conversion of CO2
In ZnS/CdS/rGO, the photogenerated e− transfer from ZnS → CdS, CdS → rGO & ZnS → CdS → rGO, establishing multi-interface electronic transmission channels for electrons to increase the transfer & separation efficiency of photogenerated carriers in this hybrid photocatalyst.
High hydrogen release catalytic activity by quasi-MOFs prepared via post-synthetic pore engineering
TMU-10 treated at 300 °C under air efficiently promotes H2 generation at ambient temperature from NaBH4. The enhanced catalytic activity derives from a higher density of Lewis acid sites and the generation of mesoporosity.
Synthesis of tailored oxymethylene ether (OME) fuels via transacetalization reactions
Oxymethylene ethers (OME) as environmentally benign fuels: progress in the design of compounds with tailored properties.
Tuning the defects in MoS2/reduced graphene oxide 2D hybrid materials for optimizing battery performance
This work reports the Li-ion and Zn-ion storage properties of a set of MoS2/reduced graphene oxide (rGO) hybrid materials whose defect density is tuned by controlling the annealing temperature, which is critical in improving Zn-ion storage.
Highly efficient proton-assisted photocatalytic CO2 reduction over 3-mercaptopropionic acid-capped quantums dots
Herein, we demonstrate that 3-mercaptopropionate capping agents on CdS quantum dot surfaces could serve as proton shutters and localize protons near the active sites towards efficient photocatalytic CO2 reduction.
Rational design and solvent-free synthesis of iron-embedded 2D composite materials derived from biomass for efficient oxygen reduction reaction
A facile and sustainable solvent-free shearing/graphitization method for the production of a series of 2DFe/BCs from various low-cost biomass precursors with enhanced ORR electrocatalytic activity in both alkaline and acid environments.
Pencil graphite rods decorated with nickel and nickel–iron as low-cost oxygen evolution reaction electrodes
Ni and NiFe decorated pencil graphite rods have good performance for the oxygen evolution reaction. Capacitance data describe the redox processes of nickel and show OER activation after Ni4+ formation.
Electrical conductivity of beech sawdust using graphite catalytic coating: unlocking the microwave-assisted thermolysis efficiency of lignocellulosic biomass
Graphite catalytic coating of the wood sawdust is a step-improvement toward higher efficiency of the microwave-assisted pyrolysis of lignocellulosic biomass.
Polyoxometalate-induced ‘cage-within-cage’ metal–organic frameworks with high efficiency towards CO2 photoreduction
Two MOFs display a rare cage-within-cage structure through MoO42− anions decomposed by H3PMo12O40. Meanwhile, Zn/Co/Mo-MOF exhibits a remarkable CO production rate (7682 μmol g−1 h−1) towards CO2 photoreduction.
Cs2AgInCl6 double perovskite quantum dots decorated with Ag nanoparticles for photocatalytic CO2 reduction
Schematic diagram of the enhancement of the CO2 photoreduction performance of the CAIC QDs@Ag composite by the loading of Ag nanoparticles and ligand density regulation.
Efficient transfer hydrogenation of levulinic acid (LA) to γ-valerolactone (GVL) over Ni/NiO–MC (MC = mesoporous carbon)
Ni, NiO and MC play a synergistically for efficient GVL production over Ni/NiO–MC obtained via pyrolysis of a Ni/mesostructured polymer framework.
ALD Pt nanoparticles and thin-film coatings enhancing the stability and performance of silicon photocathodes for solar water splitting
ALD is used to deposit Pt nanoparticles capped by ultra-thin SiO2 layers of various thicknesses to enhance the performance and stability of Si photocathodes used for solar water splitting. Enhanced stability is achieved compared to the reference case.
Self-limiting lithiation of vanadium diboride nanosheets as ultra-stable mediators towards high-sulfur loading and long-cycle lithium sulfur batteries
This work on the “interface is the device” strategy provides insight into interfacial engineering to support the advancement of lithium-sulfur batteries.
Electrochemical lithium recovery with lithium iron phosphate: what causes performance degradation and how can we improve the stability?
The reason for the capacity fading of LiFePO4 in lithium recovery is explored. And two approaches, reducing the content of oxygen and carbon coating, are put forward, and the mechanism of them are studied.
Reinforcement of a BiVO4 anode with an Fe2O3 underlayer for photoelectrochemical water splitting
An Fe2O3/BiVO4 heterojunction was found to be successfully formed by placing a haematite underlayer on a BiVO4 anode. This composite anode has a significant improvement in PEC photocurrent in the low bias region.
Carrier engineering of Zr-doped Ta3N5 film as an efficient photoanode for solar water splitting
Ta3N5 is regarded as a promising candidate material with adequate visible light absorption and band structure for photoelectrochemical water splitting.
Construction of a self-supporting Ni2P–WO3 heterostructure for highly efficient hydrogen evolution under both caustic and acidic conditions
An amorphous Ni2P–WO3/CC based HER catalyst is constructed through a facile and scalable method. The catalyst exhibits excellent electrocatalytic HER activity and two-electrode overall water splitting performance in alkaline solutions.
Hierarchical Cu2S hollow nanowire arrays for highly efficient hydrogen evolution reaction
A self-supported three-dimensional unique hierarchical Cu2S hollow nanowire array nanostructure with excellent activity for the hydrogen-evolution reaction was synthesized in a facile and economical way.
Electron-transport-layer-free two-dimensional perovskite solar cells based on a flexible poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) cathode
We fabricated electron-transport-layer-free 2D perovskite solar cells using modified PEDOT:PSS as the cathode.
Hydrogen from wood gasification with CCS – a techno-environmental analysis of production and use as transport fuel
Based on our integrated approach linking detailed process simulation with LCA, we are able to quantify benefits and potential trade-offs of clean hydrogen production in a consistent way.
Hydrogen evolution by polymer photocatalysts; a possible photocatalytic cycle
We propose, supported by ab initio calculations, a possible photocatalytic cycle for hydrogen evolution by a prototypical polymer photocatalyst, poly(p-phenylene), in the presence of a sacrificial electron donor.
In situ synthesis of graphitic C3N4–poly(1,3-dioxolane) composite interlayers for stable lithium metal anodes
A g-C3N4–poly(1,3-dioxolane) (CN–PDOL) composite interlayer was in situ synthesized by polymerization upon a lithium metal anode. The synergistic effect could increase the electrochemical performance of the lithium metal anode.
Benzothiadiazole-based photosensitizers for efficient and stable dye-sensitized solar cells and 8.7% efficiency semi-transparent mini-modules
New benzothiadiazole-based dyes are synthesized, characterized and used for the fabrication of robust and efficient solar cells and mini-modules.
Boosting the oxygen evolution activity in non-stoichiometric praseodymium ferrite-based perovskites by A site substitution for alkaline electrolyser anodes
More abundant and economically friendly Sr-doped praseodymium ferrites show an increase in the electrocatalytic activity as the amount of Sr dopant increases that is linked to the increasing concentration of oxygen vacancy.
Microwave induced one-pot conversion of D-glucose to 5-hydroxymethylfurfural by a novel sulfate-functionalized Sn-red mud catalyst
Sn doped and sulfate functionalized red mud produced excellent catalytic activity and stability owing to the synergistic interaction of Sn with components of red mud and enhanced acidic characteristics.
Heterostructure design of Cu2O/Cu2S core/shell nanowires for solar-driven photothermal water vaporization towards desalination
Solar-driven water evaporation has been considered as a promising strategy to solve the growing water shortage and water pollution problems.
The climatic response of thermally integrated photovoltaic–electrolysis water splitting using Si and CIGS combined with acidic and alkaline electrolysis
Real data modelling of the hydrogen yield using different PV and electrolyzer combinations with hourly climatic data for mid-European climate.
The impact of carbonate salts on char formation and gas evolution during the slow pyrolysis of biomass, cellulose, and lignin
This study deals with the modification of chars derived from different biomass samples (woody biomass, cellulose and lignin).
Underlying mechanisms in microbial solar cells: how modeling can help
Using modeling we uncoupled and quantified the different rate constants implicated in microbial solar cells: mediator fluxes in and out of microbes, oxidation at the electrode, photo-reduction inside the microbe, and degradation over time.
CO2 green technologies in CO2 capture and direct utilization processes: methanation, reverse water-gas shift, and dry reforming of methane
CO2 green technologies, such as methanation, reverse water-gas shift (rWGS), and dry reforming of methane (DRM) in CO2 capture and direct utilization process are developed using Ni/CaO catal-sorbents.
Synthesis of jet fuel range high-density dicycloalkanes with methyl benzaldehyde and acetone
High-density dicycloalkanes were first produced by the acid-catalyzed aldol condensation of acetone and methyl benzaldehyde over protonated titanate nanotubes followed by hydrodeoxygenation in cyclohexane.
A protocol for the definition of supply chains in product social life cycle assessment: application to bioelectricity
Social life cycle assessment of a bioelectricity system encompassing more than 400 processes within seven tiers of the supply chain.
Techno-economic analysis of a solar-powered biomass electrolysis pathway for coproduction of hydrogen and value-added chemicals
Techno-economic analysis of sunlight-driven electrochemical conversion of glucose to fuels and chemicals i.e., hydrogen, gluconic acid and glucaric acid.
High-performance solar vapor generation by sustainable biomimetic snake-scale-like porous carbon
Snake-scale-like porous carbon is synthesized from polycarbonate waste, and exhibits high evaporation rate (1.58 kg m−2 h−1) and energy conversion efficiency (91%).
β-NiS 3D micro-flower-based electrode for aqueous asymmetric supercapacitors
Hierarchical β-NiS 3D micro-flowers exhibited a high specific capacitance and were utilized as a cathode electrode for asymmetric supercapacitors, revealing the practical feasiblity to power up light-emitting diodes.
Dynamics of carbon formation during the catalytic hydrodeoxygenation of raw bio-oil
The formation, growth and transformation of carbon residue (coke) deposited on the catalyst during the raw bio-oil hydrodeoxygenation has been studied.
Correlations of the physicochemical properties of organosolv lignins from Broussonetia papyrifera with their antioxidant activities
To understand the influence of lignin characteristics on their antioxidant activities, lignins were isolated from Broussonetia papyrifera by organosolv pretreatment at different temperatures.
A heterojunction of VO(OH)2 nanorods onto hemp stem derived carbon for high voltage (1.5 V) symmetric supercapacitors
A heterojunction design of positive and negative potential electrode material in a single composite electrode material resulting in a 1.5 V operating potential.
Graphdiyne formed a novel CuI-GD/g-C3N4 S-scheme heterojunction composite for efficient photocatalytic hydrogen evolution
Rational design of novel and efficient hybrid photocatalysts has great significance today, as fossil energy demands urgent need to be replaced by green energy, such as the hydrogen energy.
About this collection
Welcome to our online rolling collection of the hottest work published in Sustainable Energy & Fuels. Here we feature all 2020 Sustainable Energy & Fuels articles highlighted as HOT by the handling editor or our referees. Congratulations to all the authors whose articles are featured.