Themed collection 2017 Energy and Environmental Science HOT articles
The bridge between the materials and devices of thermoelectric power generators
Beyond ZT, (ZT)eng was used as a direct indicator for thermoelectric performance to achieve a balance between material tuning and device reliability.
Graphdiyne for crucial gas involved catalytic reactions in energy conversion applications
This review summarizes the recent progress of GDY based catalysts for key gas involved reactions in energy conversion.
Impact of H2O on organic–inorganic hybrid perovskite solar cells
The impact of water on the lifecycle of PSCs and the underlying mechanisms in perovskites and PSCs are systematically reviewed.
Potential-induced degradation in photovoltaic modules: a critical review
This paper presents a critical review on potential-induced degradation (PID) in photovoltaic modules to illustrate the current research status and potential research paths to address PID-related issues.
Biomimetic and bioinspired approaches for wiring enzymes to electrode interfaces
Our review focuses on biomimetic and bioinspired ideas to improve enzyme-driven bioelectrochemical systems for applications in energy, biomedical and environmental fields.
Prospects for bioenergy with carbon capture & storage (BECCS) in the United States pulp and paper industry
The pulp and paper industry is a suitable candidate to lead the deployment of BECCS in the US.
The value of seasonal energy storage technologies for the integration of wind and solar power
Energy storage at all timescales, including the seasonal scale, plays a pivotal role in enabling increased penetration levels of wind and solar photovoltaic energy sources in power systems.
Environmental analysis of perovskites and other relevant solar cell technologies in a tandem configuration
A PKSn,Pb/PKPb tandem was found to be the most promising PV technology for lowering the environmental impacts from solar PVs.
A technoeconomic analysis of perovskite solar module manufacturing with low-cost materials and techniques
This technoeconomic analysis shows that perovskite solar cells can emerge as a cost leader in photovoltaic power generation.
Blue energy fuels: converting ocean wave energy to carbon-based liquid fuels via CO2 reduction
Sequestering CO2 in the form of carbon-based liquid fuels would provide both a convenient and sustainable form of energy for practical use as well as mitigate the effects of global warming and climate change.
A general polymer-assisted strategy enables unexpected efficient metal-free oxygen-evolution catalysis on pure carbon nanotubes
A conceptually new and general polymer-assisted strategy was proposed to enable unexpected efficient metal-free oxygen-evolution catalysis on pure carbon nanotubes.
Alternative electrochemical energy storage: potassium-based dual-graphite batteries
In this contribution, we report for the first time a novel potassium ion-based dual-graphite battery concept (K-DGB), applying graphite as the electrode material for both the anode and cathode, in combination with an ionic liquid electrolyte.
Solar-driven simultaneous steam production and electricity generation from salinity
A hybrid energy utilization technology using solar energy for desalination and extracting electricity from an evaporation induced salinity gradient is presented.
Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides
Phonon-glass electron-crystal (PGEC) behaviour is realised in La0.5Na0.5Ti1–xNbxO3 thermoelectric oxides.
Highly efficient halogen-free solvent processed small-molecule organic solar cells enabled by material design and device engineering
Naphtho[1,2-c:5,6-c']bis[1,2,5]thiadiazole-based small molecules have been synthesized for organic solar cells. The optimized devices processed by a halogen-free solvent of CS2 exhibited a PCE of 11.53% with a small energy loss of 0.57 eV.
Three-dimensional bilayer garnet solid electrolyte based high energy density lithium metal–sulfur batteries
A solid electrolyte framework with porous and dense layers for high-energy and safe Li-metal batteries.
In vivo activation of an [FeFe] hydrogenase using synthetic cofactors
The [FeFe]-hydrogenase can incorporate synthetic cofactors inside living cells, allowing for artificial enzyme activation under in vivo conditions.
Efficient catalytic greenhouse gas-free hydrogen and aldehyde formation from aqueous alcohol solutions
Single-site molybdenum di-oxo catalyst generates hydrogen fuel from aqueous alcohols under mild conditions.
Impact of microstructure on the electron–hole interaction in lead halide perovskites
The authors directly show that grain size and quality have a negligible impact on the excitonic characteristics of perovskite semiconductors.
Indirect to direct bandgap transition in methylammonium lead halide perovskite
Unusually long charge carrier lifetime in methylammonium lead halide perovskites is a result of the Rashba-split indirect bandgap. At high pressure the bandgap becomes purely direct, with shorter carrier lifetime and higher radiative efficiency.
The hydrogen dependent CO2 reductase: the first completely CO tolerant FeFe-hydrogenase
The Hydrogen Dependent Carbon dioxide Reductase (HDCR) from Acetobacterium woodii presents a promising solution to the issue of H2 storage by reversibly coupling H2 oxidation to CO2 reduction.
V5S8–graphite hybrid nanosheets as a high rate-capacity and stable anode material for sodium-ion batteries
Here we report chemically-exfoliated V5S8 and graphite hybrid nanosheets (ce-V5S8–C) as a novel anode material for sodium-ion batteries (SIBs).
A new approach for recycling waste rubber products in Li–S batteries
Vulcanized rubber products contain polymer backbones crosslinked with sulfur to improve mechanical strength.
Upper limit to the photovoltaic efficiency of imperfect crystals from first principles
An approach is proposed to predict the impact of point defects on solar cell performance.
High thermoelectric performance of p-BiSbTe compounds prepared by ultra-fast thermally induced reaction
High performance Bi2Te3-based thermoelectric material and modules with a conversion efficiency of 5.2% under a temperature gradient of 250 K were synthesized by TIFS.
Sulfide perovskites for solar energy conversion applications: computational screening and synthesis of the selected compound LaYS3
Identification and synthesis of a new large-band gap photoabsorber for tandem-architecture water splitting: LaYS3.
Towards identifying the active sites on RuO2(110) in catalyzing oxygen evolution
Surface structural transitions and active sites are identified using X-ray scattering and density functional theory.
Freestanding transparent metallic network based ultrathin, foldable and designable supercapacitors
A freestanding transparent metallic network electrode is designed, fabricated and integrated for ultrathin, foldable and designable supercapacitor devices.
Additive engineering for high-performance room-temperature-processed perovskite absorbers with micron-size grains and microsecond-range carrier lifetimes
CH3NH3PbI3 films with micrometer grains and microsecond carrier lifetimes are prepared through additive engineering.
Trackable galvanostatic history in phase separation based electrodes for lithium-ion batteries: a mosaic sub-grouping intercalation model
Here, we demonstrated for the first time the transient voltage variation occurring dependent on the history of current density induced.
Universal selection rule for surfactants used in miniemulsion processes for eco-friendly and high performance polymer semiconductors
We demonstrate a universal polymer semiconductor colloid synthesis method to realize eco-friendly and high performance organic opto-electronic devices.
A triboelectric generator based on self-poled Nylon-11 nanowires fabricated by gas-flow assisted template wetting
Highly crystalline and “self-poled” δ′-phase Nylon-11 nanowires, fabricated using a novel gas-flow assisted nano-template infiltration method, exhibit enhanced triboelectric energy harvesting performance.
Large n- and p-type thermoelectric power factors from doped semiconducting single-walled carbon nanotube thin films
Polymer-free semiconducting carbon nanotube networks demonstrate unprecedented equivalent n- and p-type thermoelectric performance.
Charge-transfer-energy-dependent oxygen evolution reaction mechanisms for perovskite oxides
This work experimentally identifies the charge-transfer energy as a key factor governing the catalytic oxygen evolution reaction (OER) activity and mechanism across a wide range of perovskite chemistries.
Cooperative water oxidation catalysis in a series of trinuclear metallosupramolecular ruthenium macrocycles
Well-defined hydrogen-bonded water networks inside differently sized ruthenium macrocycles facilitate cooperative proton-coupled electron transfers, and accelerate the water oxidation catalysis.
Non-fluorinated pre-irradiation-grafted (peroxidated) LDPE-based anion-exchange membranes with high performance and stability
A radiation-grafted low density polyethylene-based anion-exchange membrane that is mechanically robust enough to routinely test in alkaline membrane fuel cells at 80 °C.
Predicting and optimising the energy yield of perovskite-on-silicon tandem solar cells under real world conditions
Optical and device modelling of perovskite-on-silicon tandem solar cells shows promising potential for real world deployment.
Impact of substrate diffusion and enzyme distribution in 3D-porous electrodes: a combined electrochemical and modelling study of a thermostable H2/O2 enzymatic fuel cell
High massic catalytic currents and long-term stability are reached in a thermostable H2/O2 enzymatic fuel cell.
A superhydrophilic “nanoglue” for stabilizing metal hydroxides onto carbon materials for high-energy and ultralong-life asymmetric supercapacitors
A superhydrophilic “nanoglue” strategy to tune and stabilize metal hydroxides onto carbon materials is presented for high-performance supercapacitors.
Cu nanowires shelled with NiFe layered double hydroxide nanosheets as bifunctional electrocatalysts for overall water splitting
3D core–shell nanostructures of few-layer NiFe LDH nanosheets grown on Cu nanowires are fabricated toward highly efficient overall water splitting.
Triboelectric nanogenerators: providing a fundamental framework
A generic electromagnetic model for the working principles of triboelectric nanogenerators derived using Maxwell's equations, to a universally applicable framework.
Ammonia synthesis from N2 and H2O using a lithium cycling electrification strategy at atmospheric pressure
An electrochemical, lithium-mediated looping method for efficiently producing NH3 from N2 and H2O at ambient pressure.
A near-infrared non-fullerene electron acceptor for high performance polymer solar cells
Low-bandgap polymers/molecules are an interesting family of semiconductor materials, and have enabled many recent exciting breakthroughs in the field of organic electronics, especially for organic photovoltaics (OPVs).
Energetic productivity dynamics of global super-giant oilfields
Energy return on investment (EROI) dynamics probabilistic projections of global giant oil fields.
Compatibility issues between electrodes and electrolytes in solid-state batteries
Compatibility and stability issues in all-solid-state batteries and methods for investigation.
Solar thermochemical splitting of CO2 into separate streams of CO and O2 with high selectivity, stability, conversion, and efficiency
Solar reactor technology for splitting CO2via a 2-step thermochemical redox cycle using concentrated solar radiation.
Biomimetic electron transport via multiredox shuttles from photosystem II to a photoelectrochemical cell for solar water splitting
A CdS–PSII hybrid PEC cell for overall water splitting contains a biomimetic electron transfer pathway comprising two redox shuttles.
Efficient electricity storage with a battolyser, an integrated Ni–Fe battery and electrolyser
A battolyser charges, generates hydrogen, or instantaneously discharges, enabling a remarkably durable, efficient, flexible and switchable electricity storage and conversion.
Junction behavior of n-Si photoanodes protected by thin Ni elucidated from dual working electrode photoelectrochemistry
Dual-working-electrode photoelectrochemical techniques are implemented to characterize semiconductor–catalyst–solution interfaces in protected n-Si photoanodes in situ for the first time.
Modelling the morphology and thermomechanical behaviour of low-bandgap conjugated polymers and bulk heterojunction films
Schematic diagram showing the information flow from molecular structure, to atomistic model, to a slice of the solid morphology under mechanical deformation and the stress–strain response.
Interpretation of inverted photocurrent transients in organic lead halide perovskite solar cells: proof of the field screening by mobile ions and determination of the space charge layer widths
Verification of the “Wiggly Band” model for perovskite solar cells by transients measured at forward bias.
Self-polymerized dopamine as an organic cathode for Li- and Na-ion batteries
Redox-active, self-polymerized dopamine shows promise as organic cathode materials for Li- and Na-ion batteries.
Ternary solar cells with a mixed face-on and edge-on orientation enable an unprecedented efficiency of 12.1%
A record breaking PCE of 12.1% is achieved by incorporating 25 wt% of DR3TSBDT into a PTB7-Th:PC71BM host matrix.
Skutterudite with graphene-modified grain-boundary complexion enhances zT enabling high-efficiency thermoelectric device
Wrapping grain boundaries with rGO enhances zT by increasing thermal boundary resistance, Rκ, with minimal effect on the electronic transport.
About this collection
Welcome to our online rolling collection of the hottest work published in Energy and Environmental Science. Here we feature all 2017 Energy and Environmental Science articles highlighted as HOT by the handling editor or our referees. Congratulations to all the authors whose articles are featured.