Themed collection Sustainable Energy & Fuels Recent HOT Articles
Solvent annealing for morphology control to realize high efficiency all-small-molecule organic solar cells
Morphology control of all-small-molecule (ASM) organic solar cells (OSCs) is crucial for improving their efficiencies.
In situ oxidative etching-enabled synthesis of hollow Cu2O nanocrystals for efficient CO2RR into C2+ products
The prepared hollow Cu2O nanocrystals via oxidative etching yield C2+ products with a faradaic efficiency of 75.9% and a C2+ partial current density of 0.54 A cm−2 ascribed to their defect-rich sites and abundant stepped facets.
BaTb0.3Fe0.7O3−δ: a new proton-conductor-derived cathode for proton-conducting solid oxide fuel cells
BaTb0.3Fe0.7O3−δ, a new proton-conductor-derived cathode, has been proposed as a cathode for proton-conducting solid oxide fuel cells with high performance.
Colloidal platinum nanoparticles dispersed by polyvinylpyrrolidone and poly(diallyldimethylammonium chloride) with high catalytic activity for hydrogen production based on formate decomposition
Effective H2 production based on formate decomposition with colloidal platinum nanoparticles dispersed by polyvinylpyrrolidone and a cationic polymer, poly(diallyldimethylammonium chloride), is accomplished.
A high-rate free-standing Na3V2(PO4)3 symmetric full cell for sodium-ion batteries
With the aid of an ether electrolyte, superior electrochemical performance of free-standing Na3V2(PO4)3 electrodes as the anode, cathode, and full cell is analyzed.
Interfacial modification of Zn foil electrode with cationic surfactants enables efficient and selective CO production from CO2 electroreduction
The dynamic CTAB-modified electrode/electrolyte interface on Zn foil is effective to promote CO2 electroreduction to CO with enhanced Faradaic efficiency and current density.
Efficient one-pot tandem catalysis of glucose into 1,1,2-trimethoxyethane over W-Beta catalysts
1,1,2-Trimethoxyethane was synthesized from glucose over W-Beta catalysts with a high yield of 54.2% through epimerization, RAC, acetalization, and etherfication processes.
Electrochemical deposition of electronically rich Pt single atoms and nanocrystals on porous carbon for enhanced electrocatalysis in strong acids
Pt single atoms (SAs) and nanocrystals were deposited on a carbon nanoballoon support using an electrochemical cycling approach. The enhancement of ORR performance in acidic media was originated from electronic effect as well as ultrafine dispersion of Pt.
Artificial foliage with remarkable quantum conversion efficiency in bicarbonate to formate
An efficient heterogeneous immobilized device for the photoreduction of bicarbonate to formate was achieved by a thin-film semiconductor with metallophthalocyanines.
Cubic MnSe2 microcubes enabling high-performance sulfur cathodes for lithium–sulfur batteries
The cycle performance and rate capability of sulfur cathodes are greatly enhanced by introducing cubic MnSe2 microcubes. The Shuttle effect is suppressed effectively by the adsorption between MnSe2 and polysulfide via binding of Se and S.
In situ formation of a molecular cobalt(III)/AgCl photocatalyst for visible-light water oxidation
A unique photocatalyst that consists of a molecular Co(III) species and wide-bandgap AgCl is presented. Even without a physical connection between the two components, the Co(III)/AgCl photocatalyst showed water oxidation activity under visible light.
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.
Construction of core–shell Ni–Co(OH)F@NiCo2S4 nanorods for highly efficient hydrazine-assisted hydrogen evolution
Core–shell Ni–Co(OH)F@NiCo2S4 nanorods with Ni doping and interface engineering have exhibited outstanding performances toward hydrazine-assisted hydrogen production.
Engineering NiMoP nanosheets on hollow Cu3P nanotube arrays as efficient electrocatalyst for hydrogen evolution reaction
By virtue of its unique core–shell open tubular structure, NiMoP@Cu3P/CF shows large specific surface area and short diffusion paths, which facilitates mass transport and easy accessibility of water, resulting in a superior HER activity in 1 M KOH.
Perovskite-inspired Cu2AgBiI6 for mesoscopic indoor photovoltaics under realistic low-light intensity conditions
Low-toxicity perovskite-inspired Cu2AgBiI6 is a potential candidate for indoor photovoltaics. Cu2AgBiI6-based photovoltaics with an optimized mesoporous TiO2 thickness ensure high fill factor and a power conversion efficiency of 4.64% at 200 lux.
Creating electron-rich region on ultrafine Bi2O3 nanoparticles to boost the electrochemical carbon dioxide reduction to formate
Improved performance of perovskite solar cells via combining Pb–Sn alloying with the passivation effect of SnI2
An improved strategy is proposed by introducing SnI2 to improve the performance of Pb-based PSCs, which is due to the defect passivation effect and the formation of Sn–Pb alloying perovskite.
Complementary metal–semiconductor interactions on Ag-TiO2 NT heterojunction for the efficient electrochemical reduction of 5-hydroxymethylfurfural
The electrocatalytic performance of 5-hydroxymethylfurfural (HMF) reduction is improved by the Ag-TiO2 NT heterojunction through complementary metal–semiconductor interactions.
K+ intercalated MnO2 with ultra-long cycling life for high-performance aqueous magnesium-ion hybrid supercapacitors
K+ intercalated MnO2 as the cathode material for aqueous magnesium-ion hybrid supercapacitors exhibits high energy density and ultra-long cycling life.
Hierarchical layered nickel–iron double hydroxide/carbon nanotube fiber electrode for constructing asymmetric fiber supercapacitor
A flexible fiber supercapacitor assembled using well-matched Ni–Fe LDH@CNTF and RuO2@CNTF fiber electrodes exhibited favorable energy and power combinations, providing a promising solution to the demands for power sources for flexible electronics.
Tuning electrocatalytic water oxidation by MnOx through the incorporation of abundant metal cations
Polypropylene separator-reinforced polymer-in-salt solid composite electrolytes for high-performance lithium ion batteries at room temperature
Polypropylene separator-reinforced polymer-in-salt SSCEs combine high ionic conductivity, large tLi+ and superior interface stability toward lithium anodes, enabling excellent cycling stability of solid-state lithium ion batteries at room temperature.
Use of hemicellulose-derived xylose for environmentally sustainable starch production by mixotrophic duckweed
Well-defined hierarchical teddy bear sunflower-like NiCo2O4 electrocatalyst for superior water oxidation
Transition metal oxides were fabricated by a facile solvothermal route. The hierarchical NiCo2O4 electrocatalyst exhibited enhanced water oxidation performance due to the unique teddy bear sunflower-like morphology.
Growing COFs in situ on CdS nanorods as core–shell heterojunctions to improve the charge separation efficiency
A Z-scheme heterojunction CdS@TTI-COF with a core–shell structure was prepared for efficient photocatalytic hydrogen evolution.
Nanochannel-dependent power generation performance of NiAl-LDH/SiO2-based generators driven by natural water evaporation
NiAl-LDH/SiO2 stacks were used to construct different nanochannels and a smaller nanochannel resulted in a higher electric potential.
Anion-exchange membranes with internal microchannels for water control in CO2 electrolysis
We developed and simulated an anion exchange membrane with internal microchannels to hydrate the membrane. This allows water-consuming reactions (such as CO2 electrolysis) without sacrificing membrane conductivity or ion crossover.
Probing elemental speciation in hydrochar produced from hydrothermal liquefaction of anaerobic digestates using quantitative X-ray diffraction
Understanding elemental speciation in the hydrothermal liquefaction-derived hydrochar paves the way for more profitable and sustainable wet biomass waste biorefineries.
Recycling alloy scrap and CO2 by paired molten salt electrolysis
Reclaiming valuable materials from retired alloys and CO2 in an eco-friendly and efficient manner is critically important to meet the urgent need for strategical metals and curb climate change.
Pre-lithiated Li4+xTi5O12 (0 ≤ x ≤ 3) anodes towards building high-performance Li-ion capacitors
A 180° faradaic shift is observed for a completely pre-lithiated Li4Ti5O12 anode when paired with an activated carbon cathode. The optimum range of pre-lithiation certainly enables attaining high energy and high power Li-ion capacitors.
Efficient direct lignin fuel cells enabled by hierarchical nickel–iron phosphide nanosheets as an anode catalyst
Hierarchical nickel–iron phosphide nanosheets were reported as a novel anode catalyst for direct lignin fuel cells at low temperature. When NiFeP with a Ni/Fe ratio of 1 was used, the fuel cell produced a maximum power density of 24 mW cm−2.
Hydrated lithium nido-boranes for solid–liquid hybrid batteries
Hydrated and anhydrous LiB11H14 salts are prepared through a facile approach. Liquid-like Li+ conductivity (10−2 S cm−1) is observed for a-LiB11H14·(H2O)n at 60 °C. LiB11H14·2H2O is classified as a new class of ionic liquid as it melts near 70 °C.
Two-dimensional metallic VTe2 demonstrating fast ion diffusion for aqueous zinc-ion batteries
By controlling the pH value of solution from acidic to alkaline, the corresponding morphology of VTe2 is evolving from nanorods to nanosheets. Serving VTe2 nanosheets as cathode for AZIBs.
Selective CO2-to-CO photoreduction over an orthophosphate semiconductor via the direct Z-scheme heterojunction of Ag3PO4 quantum dots decorated on SnS2 nanosheets
A direct Z-scheme heterojunction via decorating Ag3PO4 quantum dots on SnS2 nanosheets results in highly selective and efficient solar-driven CO2-to-CO photoreduction.
Bell-shaped RuFe/Ni5P4 for efficient urea-assisted electrolytic hydrogen production
The self-growing bell-shaped structure of the nickel foam substrate have excellent binding ability with the NF substrate, which greatly improve the mass and charge transfer efficiency and provide the possibility of stabilizing the catalyst at large currents.
Combination effect of flow channel configuration and anode GDL porosity on mass transfer and performance of PEM water electrolyzers
A three-dimensional numerical model of the PEM water electrolyzer was constructed to account for the combined effect of the non-uniform depth of the flow channel and the non-uniform porosity of the anode gas diffusion layer on the mass transfer characteristics.
S-scheme heterojunction AgCl/g-C3N4 with a unique electron transfer channel via a built-in electric field for enhanced H2 production
The polyunsaturated edge Ag in a surface-modified catalyst plays a prominent role in the accumulation of electrons during photocatalytic H2 production.
Ultrahigh capacity potassium-based dual carbon batteries with a high concentration electrolyte
K-DCBs assembled based on a 3 M KPF6/EC : DEC : PC electrolyte can deliver a superior capacity of 121 mA h g−1 at 1C, which might be ascribed to the high oxidation stability and ion concentration provide by high-concentration electrolyte.
Modified polydopamine derivatives as high-performance organic anodes for potassium-ion batteries
The modified polydopamine derivative (MPDA-350) is first synthesized by template-assisted and low-temperature annealing methods, and is utilized as a promising anode for potassium-ion batteries with high electrochemical performance.
Rational design of 1D NiMoO4/0D CdS heterostructures for efficient photocatalytic hydrogen generation under visible light
The well-established CdS-NiMoO4 nano-heterojunction showed superior photocatalytic hydrogen production under visible light irradiation with efficient photostability.
Improving the electron transfer in the oxygen reduction reaction by N/S co-doping for high-performance of Zn–air batteries
The carbonization product of κ-carrageenan can fix melamine for introducing N doping, which can facilitate the four-electron transfer path, resulting in the fabrication of high-performance Zn–air batteries.
Mn boosted the electrocatalytic hydrogen evolution of N, P co-doped Mo2C via synergistically tuning the electronic structures
Molybdenum carbide (Mo2C) is a promising candidate to replace Pt for highly efficient hydrogen evolution reaction (HER).
Synthesis of quantum dot-based polymer nanocomposites: assessment of their thermoelectric performances
Inhomogeneity and the presence of strong grain boundaries are responsible for the potential energy-filtering effect in the bulk state of PEDOT:PSS nanocomposites, which increases the Seebeck coefficient and electrical conductivity simultaneously.
Effects of the secondary air inlet position and gasifying agents on grape branch gasification in an improved downdraft gasifier
Gasification experiments on grape branches were carried out in a self-improved downdraft gasifier at 800 °C, under atmospheric pressure, using air, steam, and air–steam as gasifying agents.
New insights into the environmental performance of perovskite-on-silicon tandem solar cells – a life cycle assessment of industrially manufactured modules
A life cycle assessment points to environmental advantages of industrially manufactured perovskite-on-silicon tandem cell (PST) modules over silicon hetero-junction cell (SHJ) modules.
High-performance magneto-mechano-electric generator through optimization of magnetic flux concentration
The performance of MME generators was investigated under magnetic flux concentrators (MFC) and confirms the MFC with higher permeability focuses more magnetic flux to the MME generator, which can have incited an added harvested electrical power.
A nanofibrillar conjugated polymer film as an interface layer for high-performance CsPbIBr2 solar cells with efficiency exceeding 11%
A self-assembled nanofibrillar conjugated polymer film is used to optimize the CsPbIBr2/hole-transporting layer interface. The obtained CsPbIBr2 solar cell demonstrates an efficiency of 11.05% with excellent long-term stability.
Continuous production of 1,4-pentanediol from ethyl levulinate and industrialized furfuryl alcohol over Cu-based catalysts
An alcoholysis-hydrogenation integrated continuous process for the production of 1,4-PDO from industrialized FOL.
Mixed cation 2D perovskite: a novel approach for enhanced perovskite solar cell stability
Two different ligand precursors are mixed together and deposited at the 3D PVK/HTL interface, forming a novel 2D perovskite layer at the interface which improves the stability among other properties of perovskite solar cells.
Au supported defect free TS-1 for enhanced performance of gas phase propylene epoxidation with H2 and O2
A facile strategy for the synthesis of a high quality TS-1 zeolite without anatase Ti species via a hydrothermal method using urea as a mineralizer was reported, which exhibits excellent performance in the direct gas phase epoxidation of propylene.
NiO–Ti nanocomposites for contact electrification and energy harvesting: experimental and DFT+U studies
Triboelectric nanogenerators (TENGs) have recently attracted extensive attention from academia and industry as a promising approach for energy harvesting.
New nonflammable tributyl phosphate based localized high concentration electrolytes for lithium metal batteries
A new tributyl phosphate based nonflammable localized high concentration electrolyte exhibits good electrochemical performance.
Leveraging coordination chemistry in the design of bipolar energy storage materials for redox flow batteries
A new cobalt(II) coordination complex, with two widely separated cobalt-centred redox processes, has been prepared and investigated as an energy storage material for bipolar redox flow batteries.
A new simple volatile solid additive triggers morphological optimization and performance stabilization in polymer solar cells
A volatile solid additive, 2,6-dichloroiodobenzene (DCIB), was introduced into PM6:Y6-based devices, and a better phase separation morphology was gained due to the enhanced intermolecular interaction and prospective stability with little decay during 25 days.
Blend for all or pure for few? Well-to-wheel life cycle assessment of blending electricity-based OME3–5 with fossil diesel
Using life cycle assessment, we explore the conditions under which a fleet-wide blending of OME3–5 with fossil diesel can reduce environmental impacts in terms of CO2, NOx, and soot emissions.
Chemical reduction of Prussian blue nanocubes to obtain alkali ion containing cathodes and their battery applications
A facile process for the preparation of alkali ion containing Prussian blue cathodes by chemical reduction and their battery applications are reported.
Designed synthesis of a hierarchical MoSe2@WSe2 hybrid nanostructure as a bifunctional electrocatalyst for total water-splitting
Reaction kinetics-controlled one-step wet-chemical synthesis of MoSe2@WSe2 hybrid nanostructure with enhanced electrocatalytic activity for total water-splitting reaction.
Influences of pulverization and annealing treatment on the photocatalytic activity of BiVO4 for oxygen evolution
Pulverization followed by annealing treatment improved the activity of BiVO4 although the annealing treatment had a negative impact on the non-milled sample.
Design of a reference model for fast optimization of photo-electrochemical cells
Photo-electrochemical cells: Bayesian simulation enchmarking.
Nanosized high entropy spinel oxide (FeCoNiCrMn)3O4 as a highly active and ultra-stable electrocatalyst for the oxygen evolution reaction
High-entropy oxides (HEOs) with a multi-component single-phase structure are considered as promising electrocatalysts for the oxygen evolution reaction due to their good catalytic activity and tailorable electrochemical properties.
Enhancing the long-cycling performance of a LiNi0.8Co0.15Al0.05O2@LaNiO3 cathode material by surface modification
Herein, the introduction of hexagonal LaNiO3 on the surface of LiNi0.8Co0.15Al0.05O2 provides a protective and adaptable ultrathin layer to stabilize the microstructure of Ni-rich layered cathode materials, enhancing the electrochemical and thermal stability.
Co-liquefaction of sewage sludge with wheat straw in supercritical water – potential for integrating hydrothermal liquefaction with wastewater treatment plants
Sewage sludge from wastewater treatment plants (WWTPs) represents a source of feedstock for hydrothermal liquefaction (HTL), which in turn offers a sustainable alternative to valorize this societal waste.
A nonflammable phosphate-based localized high-concentration electrolyte for safe and high-voltage lithium metal batteries
The well-designed electrolyte enables high-voltage Li‖Ni6Mn2Co2O2 batteries with both enhanced safety and superior reversibility.
Microstructured nitrogen-doped graphene-Sn composites as a negative electrode for high performance lithium-ion hybrid supercapacitors
Microstructured nitrogen-doped graphene-Sn synthetized in one step for high performance and long-term cycling stability lithium-ion capacitors.
Thermodynamic analysis of the electrochemical synthesis of ammonia in solid-state proton-conducting electrochemical reactors considering interfacial potential steps
Ammonia (NH3) as a carbon-free hydrogen carrier shows great potential as fuel and its production under mild conditions is desired.
About this collection
Welcome to our online rolling collection of the hottest work published in Sustainable Energy & Fuels. Here we feature all Sustainable Energy & Fuels articles highlighted as HOT by the handling editor or our referees. Congratulations to all the authors whose articles are featured.