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Themed collection 2018 Sustainable Energy and Fuels HOT Articles

45 items
Communication

Potassium phosphotungstate spheres as an anode material for a solar rechargeable battery

Potassium phosphotungstate spheres, prepared by a simple coprecipitation method, are introduced for the first time as anode materials for a solar rechargeable battery.

Graphical abstract: Potassium phosphotungstate spheres as an anode material for a solar rechargeable battery
Communication

Improved visible-light activities of nanocrystalline CdS by coupling with ultrafine NbN with lattice matching for hydrogen evolution

Metallic ultrafine NbN with lattice matching to nanocrystalline CdS could replace the expensive platinum for efficiently trapping photogenerated electrons, enhancing charge separation and then activating the preferentially adsorbed H2O to produce H2.

Graphical abstract: Improved visible-light activities of nanocrystalline CdS by coupling with ultrafine NbN with lattice matching for hydrogen evolution
Paper

The thermoelectrochemistry of the aqueous iron(II)/iron(III) redox couple: significance of the anion and pH in thermogalvanic thermal-to-electrical energy conversion

The multi-faceted significance of the anion upon the thermoelectrochemistry of the iron(II/III) redox couple has been extensively explored.

Graphical abstract: The thermoelectrochemistry of the aqueous iron(ii)/iron(iii) redox couple: significance of the anion and pH in thermogalvanic thermal-to-electrical energy conversion
Paper

Uncovering the mechanisms of electrolyte permeation in porous electrodes for redox flow batteries through real time in situ 3D imaging

Results reveal counter-intuitive behaviors of the electrolyte flow whereby capillary driven flow is secondary to the primary wetting mechanisms.

Graphical abstract: Uncovering the mechanisms of electrolyte permeation in porous electrodes for redox flow batteries through real time in situ 3D imaging
Communication

A strategically managed rechargeable battery system with a neutral methyl viologen anolyte and an acidic air-cathode enabled by a mediator-ion solid electrolyte

A “mediator-ion” solid-electrolyte membrane strategy enables the operation of methyl viologen–air batteries with a neutral anolyte and an acidic catholyte.

Graphical abstract: A strategically managed rechargeable battery system with a neutral methyl viologen anolyte and an acidic air-cathode enabled by a mediator-ion solid electrolyte
Paper

MOFs as an electron-transfer-bridge between a dye photosensitizer and a low cost Ni2P co-catalyst for increased photocatalytic H2 generation

Just like in the Chinese fairy tale of the Cowherd and the Weaver Girl, where they meet each other with the aid of a magpie-bridge, photogenerated electrons can efficiently transfer from a dye to a Ni2P co-catalyst with the aid of MOFs, thereby leads to increased H2 generation.

Graphical abstract: MOFs as an electron-transfer-bridge between a dye photosensitizer and a low cost Ni2P co-catalyst for increased photocatalytic H2 generation
Paper

Electrodeposition of hydrated vanadium pentoxide on nanoporous carbon cloth for hybrid energy storage

Electrodeposition is a simple and effective method for the synthesis of disordered hydrated vanadium pentoxide for energy storage applications.

Graphical abstract: Electrodeposition of hydrated vanadium pentoxide on nanoporous carbon cloth for hybrid energy storage
Paper

Phenylene-bridged perylenediimide-porphyrin acceptors for non-fullerene organic solar cells

New perylenediimide-porphyrin acceptors, 4PDI-ZnP and 2PDI-ZnP, have been facilely synthesized by acid-catalyzed condensation of perylenediimide-substituted benzaldehyde with pyrrole and dipyrromethane, respectively, and subsequent Zn(II)-complexation.

Graphical abstract: Phenylene-bridged perylenediimide-porphyrin acceptors for non-fullerene organic solar cells
Paper

Ultrasound-assisted synthesis of Pt–Co/C bimetallic alloys for oxygen reduction in PEM fuel cells

The polarization study revealed the information on the electrocatalytic activity of Pt–Co/C cathodes in PEMFCs.

Graphical abstract: Ultrasound-assisted synthesis of Pt–Co/C bimetallic alloys for oxygen reduction in PEM fuel cells
Paper

Membrane-less photoelectrochemical devices for H2O2 production: efficiency limit and operational constraint

A membrane-less design with 100% catalytic selectivity enables H2O2 accumulation at a maximum solar-to-H2O2 conversion efficiency of 20.0–27.5%.

Graphical abstract: Membrane-less photoelectrochemical devices for H2O2 production: efficiency limit and operational constraint
Paper

Determining the uncertainty in microstructural parameters extracted from tomographic data

The procedure for binarization of X-ray tomographic data affects the quantitative analysis of microstructural parameters in lithium ion battery electrodes.

Graphical abstract: Determining the uncertainty in microstructural parameters extracted from tomographic data
Paper

An optimal multistage charge strategy for commercial lithium ion batteries

Herein, an optimal multistage charge strategy for commercial lithium ion batteries is proposed to enhance the performance of electric vehicles and hybrid electric vehicles.

Graphical abstract: An optimal multistage charge strategy for commercial lithium ion batteries
Communication

Encapsulating perovskite solar cells to withstand damp heat and thermal cycling

Glass and edge seal encapsulation of a perovskite solar cell to enable stability through damp heat and thermal cycling tests.

Graphical abstract: Encapsulating perovskite solar cells to withstand damp heat and thermal cycling
Paper

High energy and high voltage integrated photo-electrochemical double layer capacitor

Harvesting–storage device composed of a dye-sensitized solar cell-based module and a high voltage supercapacitor with impressive discharge capacity (0.1 mA h cm−2).

Graphical abstract: High energy and high voltage integrated photo-electrochemical double layer capacitor
Review Article

Catalytic decomposition of hydrous hydrazine for hydrogen production

Highly efficient nanocatalysts which can selectively decompose hydrous hydrazine for hydrogen production are introduced.

Graphical abstract: Catalytic decomposition of hydrous hydrazine for hydrogen production
Paper

Phenol–TiO2 complex photocatalysis: visible light-driven selective oxidation of amines into imines in air

A new photocatalytic protocol utilizing surface complexation of phenol with TiO2 for the selective oxidation of amines into imines in air was presented.

Graphical abstract: Phenol–TiO2 complex photocatalysis: visible light-driven selective oxidation of amines into imines in air
Communication

Proton coupled electron transfer from Co3O4 nanoparticles to photogenerated Ru(bpy)33+: base catalysis and buffer effect

Flash photolysis studies indicate general base catalysis by borate in photoinduced proton-coupled electron transfer from Co3O4 nanoparticles to Ru(III)(bpy)33+.

Graphical abstract: Proton coupled electron transfer from Co3O4 nanoparticles to photogenerated Ru(bpy)33+: base catalysis and buffer effect
Review Article

Molecular engineering of the bio/nano-interface for enzymatic electrocatalysis in fuel cells

The fascinating topic of converting chemical energy into electric power using biological catalysts, called enzymes, and sustainable fuels motivates a large community of scientists to develop enzymatic fuel cells.

Graphical abstract: Molecular engineering of the bio/nano-interface for enzymatic electrocatalysis in fuel cells
Paper

Cooking with active oxygen and solid alkali facilitates lignin degradation in bamboo pretreatment

By using HSQC NMR, delignification of the CAOSA process was described, which paves the way for developing new eco-friendly pulping technology.

Graphical abstract: Cooking with active oxygen and solid alkali facilitates lignin degradation in bamboo pretreatment
Paper

Portable smart highly proton conductive all inorganic gel paste electrolyte with optimum phosphorous to silicon ratio for enhanced durable operation of a fuel cell

A novel portable 3D gel paste electrolyte with an optimum P/Si ratio of 5 with trapped H3PO4 has been shown to have an enhanced conductivity and performance.

Graphical abstract: Portable smart highly proton conductive all inorganic gel paste electrolyte with optimum phosphorous to silicon ratio for enhanced durable operation of a fuel cell
Open Access Paper

Hydrogen production from formic acid decomposition in the liquid phase using Pd nanoparticles supported on CNFs with different surface properties

The development of safe and efficient H2 generation/storage materials toward a fuel-cell-based H2 economy as a long-term solution has recently received much attention.

Graphical abstract: Hydrogen production from formic acid decomposition in the liquid phase using Pd nanoparticles supported on CNFs with different surface properties
Paper

Catalytic cracking of triglycerides with a base catalyst and modification of pyrolytic oils for production of aviation fuels

An efficient pathway to obtain aviation biofuels from triglycerides via thermal chemical conversion.

Graphical abstract: Catalytic cracking of triglycerides with a base catalyst and modification of pyrolytic oils for production of aviation fuels
Paper

An option for stranded renewables: electrolytic-hydrogen in future energy systems

Our study integrates power sector modelling with hydrogen infrastructure analysis and life cycle assessment complementing research on power-to-gas pathway alternatives.

Graphical abstract: An option for stranded renewables: electrolytic-hydrogen in future energy systems
Paper

Ethanolic gasoline, a lignocellulosic advanced biofuel

Autoignition propensities of ternary mixtures of bio-derived ethyl levulinate/diethyl ether/ethanol are characterised to identify diesel and gasoline suitable mixtures.

Graphical abstract: Ethanolic gasoline, a lignocellulosic advanced biofuel
Open Access Communication

Poly(ionic liquid) binders as ionic conductors and polymer electrolyte interfaces for enhanced electrochemical performance of water splitting electrodes

A PIL blocks metals at the electrode, while it is permeable to water, hydroxy ions and the as-generated oxygen.

Graphical abstract: Poly(ionic liquid) binders as ionic conductors and polymer electrolyte interfaces for enhanced electrochemical performance of water splitting electrodes
Communication

Glucose isomerization catalyzed by bone char and the selective production of 5-hydroxymethylfurfural in aqueous media

Glucose isomerization and selective production of 5-hydroxymethylfurfural in aqueous media, using combined catalysis of bone char and acidic ionic liquid.

Graphical abstract: Glucose isomerization catalyzed by bone char and the selective production of 5-hydroxymethylfurfural in aqueous media
Paper

The effect of electrode design parameters on battery performance and optimization of electrode thickness based on the electrochemical–thermal coupling model

Schematic of the lithium-ion battery and description of the P2D electrochemical model.

Graphical abstract: The effect of electrode design parameters on battery performance and optimization of electrode thickness based on the electrochemical–thermal coupling model
Paper

Stability enhancing ionic liquid hybrid electrolyte for NVP@C cathode based sodium batteries

Compared to organic electrolytes, C3mpyrTFSI based hybrid electrolytes enhance the electrochemical performance of the NVP@C cathode material by forming a stable SEI layer in sodium batteries.

Graphical abstract: Stability enhancing ionic liquid hybrid electrolyte for NVP@C cathode based sodium batteries
Paper

Ion transport mechanisms in bipolar membranes for (photo)electrochemical water splitting

Electrolysis with a bipolar membrane induced pH gradient: the conditions for high energy efficiency (low membrane voltage) are explored.

Graphical abstract: Ion transport mechanisms in bipolar membranes for (photo)electrochemical water splitting
Paper

Physico-chemical elimination of unwanted CO2, H2S and H2O fractions from biomethane

It was possible to increase the biomethane content of raw biogas by removing CO2, H2S and water (H2O) by a physico-chemical method.

Graphical abstract: Physico-chemical elimination of unwanted CO2, H2S and H2O fractions from biomethane
Paper

Free-standing protective films for enhancing the cyclability of organic batteries

A free-standing protective film is developed, acting like a sandglass, which can inhibit the shuttle effect of electrode materials.

Graphical abstract: Free-standing protective films for enhancing the cyclability of organic batteries
Paper

FeS2 microspheres wrapped by N-doped rGO from an Fe-based ionic liquid precursor for rechargeable lithium ion batteries

FeS2/N-doped rGO microspheres synthesized by a facile and green process show remarkable electrochemical performance for secondary LIBs.

Graphical abstract: FeS2 microspheres wrapped by N-doped rGO from an Fe-based ionic liquid precursor for rechargeable lithium ion batteries
Paper

Performance and failure modes of Si anodes patterned with thin-film Ni catalyst islands for water oxidation

Silicon photoanodes patterned with thin-film Ni catalyst islands exhibited stable sunlight-driven O2 evolution for over 240 h of continuous operation in 1.0 M KOH.

Graphical abstract: Performance and failure modes of Si anodes patterned with thin-film Ni catalyst islands for water oxidation
Paper

Nickel-iron catalysts for electrochemical water oxidation – redox synergism investigated by in situ X-ray spectroscopy with millisecond time resolution

NiFe oxyhydroxides are prime candidates for efficient alkaline water oxidation; their redox chemistry is tracked by X-ray spectroscopy.

Graphical abstract: Nickel-iron catalysts for electrochemical water oxidation – redox synergism investigated by in situ X-ray spectroscopy with millisecond time resolution
Communication

Amino-fulleropyrrolidines as electrotropic additives to enhance organic photovoltaics

The synthesis, device fabrication, and electric poling of novel amino-functionalized fulleropyrrolidines in polymer solar cells is reported. Significantly improved device performances and retention stability were achieved with systematic variation in tether length, reaching PCE values in excess of 10%.

Graphical abstract: Amino-fulleropyrrolidines as electrotropic additives to enhance organic photovoltaics
Perspective

How to determine optical gaps and voltage losses in organic photovoltaic materials

This perspective summarizes how to accurately determine voltage losses and optical gaps, aiming to facilitate comparisons between organic photovoltaic materials.

Graphical abstract: How to determine optical gaps and voltage losses in organic photovoltaic materials
Paper

Computational design of biofuels from terpenes and terpenoids

Finding renewable energy sources as alternatives to petroleum-based fuels is a current global challenge.

Graphical abstract: Computational design of biofuels from terpenes and terpenoids
Paper

Transient photocurrents on catalyst-modified n-Si photoelectrodes: insight from dual-working electrode photoelectrochemistry

Dual-working-electrode photoelectrochemistry experiments reveal how the most-prominent photocurrent transients are associated with catalyst oxidation/reduction.

Graphical abstract: Transient photocurrents on catalyst-modified n-Si photoelectrodes: insight from dual-working electrode photoelectrochemistry
Review Article

The quest for manganese-rich electrodes for lithium batteries: strategic design and electrochemical behavior

Manganese oxides, notably γ-MnO2 and modified derivatives, have played a major role in electrochemical energy storage for well over a century.

Graphical abstract: The quest for manganese-rich electrodes for lithium batteries: strategic design and electrochemical behavior
Perspective

Hydrogen evolution catalysis by molybdenum sulfides (MoSx): are thiomolybdate clusters like [Mo3S13]2− suitable active site models?

Recent results concerning molecular molybdenum sulfido clusters as model systems for heterogeneous hydrogen evolution catalysis by molybdenum sulfides are summarized and also compared to the related chemistry of the active site of the enzyme Mo-nitrogenase.

Graphical abstract: Hydrogen evolution catalysis by molybdenum sulfides (MoSx): are thiomolybdate clusters like [Mo3S13]2− suitable active site models?
Review Article

Fullerenes: the stars of photovoltaics

This article highlights the most interesting discoveries concerning fullerenes in photovoltaics, which have contributed to advances in this field.

Graphical abstract: Fullerenes: the stars of photovoltaics
Paper

A bifunctional electrolyte additive for H2O/HF scavenging and enhanced graphite/LiNi0.5Co0.2Mn0.3O2 cell performance at a high voltage

A novel strategy for selecting additives is adopted and a bifunctional additive is investigated for H2O/HF-scavenging and enhanced cell performance.

Graphical abstract: A bifunctional electrolyte additive for H2O/HF scavenging and enhanced graphite/LiNi0.5Co0.2Mn0.3O2 cell performance at a high voltage
Paper

Visible-light-active g-C3N4/N-doped Sr2Nb2O7 heterojunctions as photocatalysts for the hydrogen evolution reaction

Visible light active photocatalytic performance of g-C3N4/NSON-X heterojunctions.

Graphical abstract: Visible-light-active g-C3N4/N-doped Sr2Nb2O7 heterojunctions as photocatalysts for the hydrogen evolution reaction
Paper

Cobalt hexacyanoferrate supported on Sb-doped SnO2 as a non-noble catalyst for oxygen evolution in acidic medium

Cobalt hexacyanoferrate on Sb-doped SnO2 as a non-noble catalyst for O2 evolution in acidic medium.

Graphical abstract: Cobalt hexacyanoferrate supported on Sb-doped SnO2 as a non-noble catalyst for oxygen evolution in acidic medium
Paper

Highly-ordered silicon nanowire arrays for photoelectrochemical hydrogen evolution: an investigation on the effect of wire diameter, length and inter-wire spacing

The influence of structural parameters of highly-ordered silicon nanowire arrays on their solar-driven HER performance is systematically investigated.

Graphical abstract: Highly-ordered silicon nanowire arrays for photoelectrochemical hydrogen evolution: an investigation on the effect of wire diameter, length and inter-wire spacing
45 items

About this collection

Welcome to our online rolling collection of the hottest work published in Sustainable Energy and Fuels. Here we feature all 2018 Sustainable Energy and 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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