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Themed collection 2020 Sustainable Energy and Fuels HOT Articles

47 items
Perspective

An insight into perovskite-based photocatalysts for artificial photosynthesis

Schematic illustration of perovskite-based photocatalysts for artificial photosynthesis.

Graphical abstract: An insight into perovskite-based photocatalysts for artificial photosynthesis
Review Article

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.

Graphical abstract: Single-atom catalysts for electrochemical clean energy conversion: recent progress and perspectives
Review Article

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.

Graphical abstract: Carbon-based photocatalysts for enhanced photocatalytic reduction of CO2 to solar fuels
Open Access Communication

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.

Graphical abstract: Increased hydrogen partial pressure suppresses and reverses hydrogen evolution during Pd catalysed electrolysis of CO2
From the themed collection: Recent Open Access Articles
Communication

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.

Graphical abstract: A novel rechargeable bromine-ion battery and the induction of bromine ions on metal electrodes
Communication

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.

Graphical abstract: An in situ formed LiF protective layer on a Li metal anode with solvent-less cross-linking
Communication

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.

Graphical abstract: Facile fabrication of Ir/CNT/rGO nanocomposites with enhanced electrocatalytic performance for the hydrogen evolution reaction
Communication

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.

Graphical abstract: Plasma-reduced Co(OH)2 with activated hydrogen evolution and overall water splitting performance
Communication

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.

Graphical abstract: A hierarchical CoMoO4 nanoparticle decorated nanoplate array as an electrocatalyst toward improved alkaline oxygen evolution reaction
Communication

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.

Graphical abstract: From Douglas fir to renewable H2-enriched syngas via ex situ catalytic pyrolysis over metal nanoparticles–nanocellulose derived carbon catalysts
Communication

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.

Graphical abstract: High-performance tungsten carbide electrocatalysts for the hydrogen evolution reaction
Paper

Anchoring Au nanoparticles on Bi ultrathin nanosheets for use as an efficient heterogeneous catalyst for ambient-condition electrochemical ammonia synthesis

Anchoring Au nanoparticles on Bi ultrathin nanosheets enables efficient electrocatalytic nitrogen reduction reaction for ammonia synthesis under ambient conditions.

Graphical abstract: Anchoring Au nanoparticles on Bi ultrathin nanosheets for use as an efficient heterogeneous catalyst for ambient-condition electrochemical ammonia synthesis
Paper

Suppressing intrinsic self-doping of CsPbIBr2 films for high-performance all-inorganic, carbon-based perovskite solar cells

High-quality CsPbIBr2 films with a much lower self-doping level are obtained by the use of a CsI-rich precursor, which enables the fabrication of an all-inorganic, carbon-based solar cell with a superior efficiency of 10.48%.

Graphical abstract: Suppressing intrinsic self-doping of CsPbIBr2 films for high-performance all-inorganic, carbon-based perovskite solar cells
Paper

Electro-insertion of Mn2+ ions into V2O5·nH2O on MWCNTs coated carbon felt for binder-free Na+ ion battery electrodes

We report the electrochemical deposition of hydrated and amorphous V2O5·nH2O nanostructures and related Mn2+ cations insertion during anodic polarization.

Graphical abstract: Electro-insertion of Mn2+ ions into V2O5·nH2O on MWCNTs coated carbon felt for binder-free Na+ ion battery electrodes
Paper

Proton trap effect on catechol–pyridine redox polymer nanoparticles as organic electrodes for lithium batteries

New redox-active polymer nanoparticles present that the redox potential of the catechol group is affected by the presence of the pyridine. This positive potential gain is associated to the proton trap effect, which benefits the performance of lithium-ion–polymer batteries.

Graphical abstract: Proton trap effect on catechol–pyridine redox polymer nanoparticles as organic electrodes for lithium batteries
Paper

Fabrication of a preferentially [001]-oriented Sb2Se3 thin film on diverse substrates and its application in photoelectrochemical water reduction

A kinetically controlled growth approach is developed to facilely synthesize preferentially [001]-oriented Sb2Se3 thin-films on diverse substrates.

Graphical abstract: Fabrication of a preferentially [001]-oriented Sb2Se3 thin film on diverse substrates and its application in photoelectrochemical water reduction
Paper

Nitrogen-doped carbon nanotubes intertwined with porous carbon with enhanced cathode performance in lithium–sulfur batteries

A nitrogen-doped CNT threaded polyaniline hydrogel-derived porous carbon structure greatly improves the energy storage performance when integrated into a Li–S battery cathode.

Graphical abstract: Nitrogen-doped carbon nanotubes intertwined with porous carbon with enhanced cathode performance in lithium–sulfur batteries
Paper

Engineering nanostructured spinel ferrites by co-substitution for total water electrolysis by preferential exposure of metal cations on the surface

Single phasic nanosized magnetite co-substituted with cobalt and nickel having exposed octahedral sites is shown for its effectiveness in total water electrolysis at low onset potentials.

Graphical abstract: Engineering nanostructured spinel ferrites by co-substitution for total water electrolysis by preferential exposure of metal cations on the surface
Paper

A hybrid pathway to biojet fuel via 2,3-butanediol

A new hybrid pathway to biojet fuel via biomass-derived 2,3-butanediol has been demonstrated with high carbon recovery (74–82% of the theoretical maximum efficiency).

Graphical abstract: A hybrid pathway to biojet fuel via 2,3-butanediol
Paper

An alternative biorefinery approach to address microalgal seasonality: blending with spent coffee grounds

An effective method for the production of fuels and chemicals from microalgae is to ferment the carbohydrate fraction, extract the lipids and convert the resulting solids through hydrothermal liquefaction (HTL).

Graphical abstract: An alternative biorefinery approach to address microalgal seasonality: blending with spent coffee grounds
Open Access Paper

A fundamental study of the thermoelectrochemistry of ferricyanide/ferrocyanide: cation, concentration, ratio, and heterogeneous and homogeneous electrocatalysis effects in thermogalvanic cells

Thermocells can sustainably generate electricity from waste heat temperature gradients. This study investigates numerous fundamental aspects of thermocells, and how to explain and model such aspects.

Graphical abstract: A fundamental study of the thermoelectrochemistry of ferricyanide/ferrocyanide: cation, concentration, ratio, and heterogeneous and homogeneous electrocatalysis effects in thermogalvanic cells
From the themed collection: Recent Open Access Articles
Paper

Potassium phosphate monobasic induced decoration from the surface into the bulk lattice for Ni-rich cathode materials with enhanced cell performance

The interfacial instability and intrinsic structural degradation of cathodes, which cause performance loss and even a safety hazard, are a critical challenge in Ni-rich cathodes during long-term cycling.

Graphical abstract: Potassium phosphate monobasic induced decoration from the surface into the bulk lattice for Ni-rich cathode materials with enhanced cell performance
Paper

Metal–polydopamine framework-derived (Co)/N-doped carbon hollow nanocubes as efficient oxygen electrocatalysts

Well-defined (Co)/N-doped carbon hollow nanocubes with high electrocatalytic performance toward oxygen electrocatalysis are obtained.

Graphical abstract: Metal–polydopamine framework-derived (Co)/N-doped carbon hollow nanocubes as efficient oxygen electrocatalysts
Paper

Low-cost green synthesis of zinc sponge for rechargeable, sustainable batteries

We show that zinc (Zn) batteries are the lowest cost and most energy dense of rechargeable batteries that rely on abundant, low-risk elements. We advance Zn batteries with a green synthesis that lowers the cost and boosts the performance of rechargeable Zn electrodes.

Graphical abstract: Low-cost green synthesis of zinc sponge for rechargeable, sustainable batteries
Paper

A cathode interface engineering approach for the comprehensive study of indoor performance enhancement in organic photovoltaics

Organic photovoltaics (OPVs) have a promising future in reliable energy harvesting to drive low power consumption devices for indoor applications.

Graphical abstract: A cathode interface engineering approach for the comprehensive study of indoor performance enhancement in organic photovoltaics
Paper

Roll-to-roll slot-die coated P–I–N perovskite solar cells using acetonitrile based single step perovskite solvent system

Roll-to-roll coating of all active layers is demonstrated for a P–I–N perovskite solar cell stack, using a single step perovskite ink with an acetonitrile solvent system and flexible plastic substrate.

Graphical abstract: Roll-to-roll slot-die coated P–I–N perovskite solar cells using acetonitrile based single step perovskite solvent system
Paper

In situ electrochemical reduction-assisted exfoliation: conversion of BiOCl nanoplates into Bi nanosheets enables efficient electrocatalytic nitrogen fixation

Ultrathin Bi nanosheets are synthesized by in situ electrochemical reduction-assisted exfoliation of BiOCl nanoplates for the electrocatalytic nitrogen reduction reaction.

Graphical abstract: In situ electrochemical reduction-assisted exfoliation: conversion of BiOCl nanoplates into Bi nanosheets enables efficient electrocatalytic nitrogen fixation
Paper

Sulfur vacancies promoting Fe-doped Ni3S2 nanopyramid arrays as efficient bifunctional electrocatalysts for overall water splitting

Fe-doped Ni3S2 nanopyramid arrays with sulfur vacancies exhibit superior transfer ability for intermediates, promoting electrocatalytic performance for overall water splitting.

Graphical abstract: Sulfur vacancies promoting Fe-doped Ni3S2 nanopyramid arrays as efficient bifunctional electrocatalysts for overall water splitting
Paper

A novel strategy to simultaneously tailor morphology and electronic structure of CuCo hybrid oxides for enhanced electrocatalytic performance in overall water splitting

A novel and facile strategy to simultaneously tailor the morphology and electronic structure of CuCoOx by incorporation of CeO2 as bifunctional electrocatalysts for efficient overall water splitting.

Graphical abstract: A novel strategy to simultaneously tailor morphology and electronic structure of CuCo hybrid oxides for enhanced electrocatalytic performance in overall water splitting
Paper

Methane dry reforming in a coking- and sintering-free liquid alloy-salt catalytic system

We present the first demonstration of a coking- and sintering-free liquid NiBi–K2CO3 catalytic system for methane dry reforming.

Graphical abstract: Methane dry reforming in a coking- and sintering-free liquid alloy-salt catalytic system
Paper

A cyclic electrochemical strategy to produce acetylene from CO2, CH4, or alternative carbon sources

The electrochemical transformation of potent greenhouse gases and low-value carbon sources to produce useful carbon-based products is a highly desirable sustainability goal.

Graphical abstract: A cyclic electrochemical strategy to produce acetylene from CO2, CH4, or alternative carbon sources
Open Access Paper

Mitigating voltage losses in photoelectrochemical cell scale-up

Two-dimensional simulation quantifies the different losses in scaling-up photoelectrochemical cell, which can be minimized to ∼50 mV.

Graphical abstract: Mitigating voltage losses in photoelectrochemical cell scale-up
From the themed collection: Recent Open Access Articles
Paper

Atomic scale insight into the fundamental mechanism of Mn doped LiFePO4

Mn doping could form a stable LiMnxFe1−xPO4 protective shell on the surface to suppress LiFePO4 degradation during electrochemical cycling.

Graphical abstract: Atomic scale insight into the fundamental mechanism of Mn doped LiFePO4
Paper

Improving the capacity and cycling-stability of Lithium–sulfur batteries using self-healing binders containing dynamic disulfide bonds

A self-healing poly(dimethylsiloxane) polymer containing disulfide bonds is synthesized for application in lithium–sulfur batteries. The reversible breakage/formation of the disulfide bonds can capture polysulfides and accelerate their conversion.

Graphical abstract: Improving the capacity and cycling-stability of Lithium–sulfur batteries using self-healing binders containing dynamic disulfide bonds
Paper

Structure and size control of FePtCu nanocatalysts for high performance hydrogen evolution reaction

Phase and size controlled FePtCu nanoparticles exhibited superior HER properties under acidic conditions.

Graphical abstract: Structure and size control of FePtCu nanocatalysts for high performance hydrogen evolution reaction
Paper

Enhanced photoelectrochemical water-splitting performance of SrNbO2N photoanodes using flux-assisted synthesis method and surface defect management

Particle-assembled SrNbO2N photoanodes were obtained using flux-assisted nitridation reaction. The optimal experimental parameters were studied for SrNbO2N particles with minimum surface defects and high crystallinity.

Graphical abstract: Enhanced photoelectrochemical water-splitting performance of SrNbO2N photoanodes using flux-assisted synthesis method and surface defect management
Paper

Chemical looping hydrogen storage and production: use of binary ferrite-spinel as oxygen carrier materials

Co0.25Fe2.75O4 exhibits a high reduction level and reversibility of phase changes, which benefits the hydrogen storage capacity at intermediate temperatures.

Graphical abstract: Chemical looping hydrogen storage and production: use of binary ferrite-spinel as oxygen carrier materials
Paper

Design of a composite cathode and a graphene coated separator for a stable room-temperature aluminum–sulfur battery

A S/host composite cathode and a graphene coated separator are designed for a room-temperature Al–S battery with stable and high capacity.

Graphical abstract: Design of a composite cathode and a graphene coated separator for a stable room-temperature aluminum–sulfur battery
Paper

A highly active and stable cathode for oxygen reduction in intermediate-temperature solid oxide fuel cells

A new family of SrCo0.9−xNb0.1NixO3−δ (SCNN, 0.1≤ x ≤ 0.3) perovskites as promising cathode for intermediate temperature solid oxide fuel cells (IT-SOFCs) with improved cathode attributes has been developed with proper nickel substitution.

Graphical abstract: A highly active and stable cathode for oxygen reduction in intermediate-temperature solid oxide fuel cells
Paper

Infrared spectroscopy for carboxylic acid and phenol determination in biocrude and its derived products

A feasible tool for determination of TAN and carboxylic/phenolic compound content (molar and wt%) was developed based on IR analysis of biocrude oil and its derived upgraded products as well as their distillation cuts.

Graphical abstract: Infrared spectroscopy for carboxylic acid and phenol determination in biocrude and its derived products
Paper

Straightforward fabrication of robust Fe-doped Ni3Se2 supported nickel foam as a highly efficient electrocatalyst for the oxygen evolution reaction

Fe-doped Ni3Se2 has been prepared on nickel foam through a straightforward, electrodeposition method and showed efficient electrocatalytic activity for the oxygen evolution reaction.

Graphical abstract: Straightforward fabrication of robust Fe-doped Ni3Se2 supported nickel foam as a highly efficient electrocatalyst for the oxygen evolution reaction
Paper

Surface structure-dependent electrocatalytic reduction of CO2 to C1 products on SnO2 catalysts

Surface structure-dependent electrocatalytic reduction of CO2 to C1 products on SnO2 catalysts was attributed to the in situ formation of different Sn/SnO2 catalytic layers on their surfaces.

Graphical abstract: Surface structure-dependent electrocatalytic reduction of CO2 to C1 products on SnO2 catalysts
Paper

Mechanism of lignocellulose modification and enzyme disadsorption for complete biomass saccharification to maximize bioethanol yield in rapeseed stalks

An integrated strategy for complete lignocellulose saccharification to maximize bioethanol yield under a cost-effective and green-like biomass process in rapeseed stalk.

Graphical abstract: Mechanism of lignocellulose modification and enzyme disadsorption for complete biomass saccharification to maximize bioethanol yield in rapeseed stalks
Paper

Insights into the mechanism of photosynthetic H2 evolution catalyzed by a heptacoordinate cobalt complex

Shining light on the high activity of a heptacoordinate cobalt complex for photosynthetic hydrogen evolution: an integrative approach.

Graphical abstract: Insights into the mechanism of photosynthetic H2 evolution catalyzed by a heptacoordinate cobalt complex
Paper

Ultra-thin NiFeSe nanosheets as a highly efficient bifunctional electrocatalyst for overall water splitting

Developing a bifunctional electrocatalyst with a facile method, low cost, excellent performance and good stability for overall water splitting is essential for the wide application of hydrogen production.

Graphical abstract: Ultra-thin NiFeSe nanosheets as a highly efficient bifunctional electrocatalyst for overall water splitting
Paper

Effective utilisation of waste cooking oil in a single-cylinder diesel engine using alumina nanoparticles

First-of-a-kind endeavour exploiting the effects of nanoparticles on the performance and emission spectra of biodiesel derived from waste cooking oil.

Graphical abstract: Effective utilisation of waste cooking oil in a single-cylinder diesel engine using alumina nanoparticles
Paper

Building microsphere–nanosheet structures in N-doped carbon to improve its performance in the oxygen reduction reaction and vanadium redox flow batteries

Presented here is a facile, sustainable and green method for the synthesis of N-doped carbon microspheres/nanosheets via hydrothermal carbonization (HTC) of the selected bioprecursor guanosine.

Graphical abstract: Building microsphere–nanosheet structures in N-doped carbon to improve its performance in the oxygen reduction reaction and vanadium redox flow batteries
47 items

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.

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