FOIL method ≈ FOIL method
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Mechanical rolling formation of interpenetrated lithium metal/lithium tin alloy foil for ultrahigh-rate battery anode Open
To achieve good rate capability of lithium metal anodes for high-energy-density batteries, one fundamental challenge is the slow lithium diffusion at the interface. Here we report an interpenetrated, three-dimensional lithium metal/lithium…
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Textured interfaces in monolithic perovskite/silicon tandem solar cells: advanced light management for improved efficiency and energy yield Open
25.5% efficiency is demonstrated for monolithic perovskite/silicon tandem solar cell using textured foil and the impact of texture position on performance and energy yield is simulated.
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A review on fluid dynamics of flapping foils Open
The fluid dynamics of flapping foils are reviewed in this article. A very wide range of researches are conducted for the two-dimensional flapping foil which has a relatively simple geometry. However, for a three-dimensional foil, the aspec…
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Roll‐to‐Roll Slot Die Coated Perovskite for Efficient Flexible Solar Cells Open
The feasibility of upscaling the perovskite solar cells technologies to high volume production using roll‐to‐roll (R2R) slot die coating is demonstrated in this study. Perovskite solar cells are produced by R2R slot die coating on flexible…
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In situ construction of zinc-rich polymeric solid–electrolyte interface for high-performance zinc anode Open
With their excellent reliability and environmental friendliness, zinc-ion batteries (ZIBs) are regarded as potential energy storage technologies. Unfortunately, their poor cycling durability and low Coulombic effectiveness (CE), driven by …
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Revisiting the Corrosion of the Aluminum Current Collector in Lithium-Ion Batteries Open
The corrosion of aluminum current collectors and the oxidation of solvents at a relatively high potential have been widely investigated with an aim to stabilize the electrochemical performance of lithium-ion batteries using such components…
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Roll-to-roll prelithiation of Sn foil anode suppresses gassing and enables stable full-cell cycling of lithium ion batteries Open
LixSn foil anode prepared by mechanical prelithiation suppresses gassing and achieves stable full-cell cycling in lithium ion batteries.
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Graphene transfer methods: A review Open
Graphene is a material with unique properties that can be exploited in electronics, catalysis, energy, and bio-related fields. Although, for maximal utilization of this material, high-quality graphene is required at both the growth process…
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Lithium‐Metal Foil Surface Modification: An Effective Method to Improve the Cycling Performance of Lithium‐Metal Batteries Open
Lithium metal as an electrode material possesses a native surface film, which leads to a rough surface and this has a negative impact on the cycling behavior. A simple, fast, and reproducible technique is shown, which makes it possible to …
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In Situ Fabrication and Reactivation of Highly Selective and Stable Ag Catalysts for Electrochemical CO<sub>2</sub> Conversion Open
In this work, the highly selective and stable electrocatalytic reduction of CO2 to CO on nanostructured Ag electrocatalysts is presented. The Ag electrocatalysts are synthesized by the electroreduction of Ag2CO3 formed by in situ anodic-et…
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Large-area synthesis and transfer of multilayer hexagonal boron nitride for enhanced graphene device arrays Open
Multilayer hexagonal boron nitride (hBN) can be used to preserve the intrinsic physical properties of other two-dimensional materials in device structures. However, integrating the material into large-scale two-dimensional heterostructures…
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Supercapacitors based on Ti3C2Tx MXene extracted from supernatant and current collectors passivated by CVD-graphene Open
An ultrahigh capacity supercapacitor is fabricated using a nano-layered MXene as an active electrode material, and Ni-foil is used as a current collector. The high-quality Ti 3 C 2 T x obtained from supernatant during etching and washing p…
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Wake structure and thrust generation of a flapping foil in two-dimensional flow Open
We present a combined numerical (particle vortex method) and experimental (soap film tunnel) study of a symmetric foil undergoing prescribed oscillations in a two-dimensional free stream. We explore pure pitching and pure heaving, and cont…
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Time-dependent evolution of the nitrogen configurations in N-doped graphene films Open
Large-area time-controlled N-doped graphene films were grown on a Cu foil using an ammonia-assisted atmospheric pressure chemical vapour deposition (APCVD) technique.
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Deciphering the lithium storage chemistry in flexible carbon fiber‐based self‐supportive electrodes Open
Flexible carbon fiber cloth (CFC) is an important scaffold and/or current collector for active materials in the development of flexible self‐supportive electrode materials (SSEMs), especially in lithium‐ion batteries. However, during the i…
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Co<sub>3</sub>O<sub>4</sub> Nanosheets as Active Material for Hybrid Zn Batteries Open
The rapid development of electric vehicles and modern personal electronic devices is severely hindered by the limited energy and power density of the existing power sources. Here a novel hybrid Zn battery is reported which is composed of a…
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Textured Electrodes: Manipulating Built‐In Crystallographic Heterogeneity of Metal Electrodes via Severe Plastic Deformation Open
Control of crystallography of metal electrodeposit films has recently emerged as a key to achieving long operating lifetimes in next‐generation batteries. It is reported that the large crystallographic heterogeneity, e.g., broad orientatio…
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Plasma‐Strengthened Lithiophilicity of Copper Oxide Nanosheet–Decorated Cu Foil for Stable Lithium Metal Anode Open
Lithium metal is the most ideal anode for next‐generation lithium‐ion batteries. However, the formation of lithium dendrites and the continuous consumption of electrolyte during cycling lead to a serious safety problems. Developing stable …
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Understanding and Controlling Cu-Catalyzed Graphene Nucleation: The Role of Impurities, Roughness, and Oxygen Scavenging Open
The mechanism by which Cu catalyst pretreatments control graphene nucleation density in scalable chemical vapor deposition (CVD) is systematically explored. The intrinsic and extrinsic carbon contamination in the Cu foil is identified by t…
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Superior Lithium Storage Capacity of α‐MnS Nanoparticles Embedded in S‐Doped Carbonaceous Mesoporous Frameworks Open
Herein, a Mn‐based metal–organic framework is used as a precursor to obtain well‐defined α‐MnS/S‐doped C microrod composites. Ultrasmall α‐MnS nanoparticles (3–5 nm) uniformly embedded in S‐doped carbonaceous mesoporous frameworks (α‐MnS/S…
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A Guide to Full Coin Cell Making for Academic Researchers Open
The development of new positive electrode materials is on route to increase the energy density of lithium-ion batteries (LIBs) for electric vehicle and grid storage applications. The performance of new materials is typically evaluated usin…
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Morphology-structural change of C-A-S-H gel in blended cements Open
Pastes of white Portland cement (wPC) and wPC-30 % pulverized fuel ash (PFA), -60 % ground granulated blast furnace slag (GGBS), -30 % or 60 % inert filler (anatase-type TiO2) blends were prepared to investigate the dominant factors for mo…
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Epitaxial lift-off of electrodeposited single-crystal gold foils for flexible electronics Open
Lifting off gold films A method for growing and removing single-crystal gold films can be used to create a flexible and transparent substrate for devices. Mahenderkar et al. grew gold films on the face of a silicon wafer and then used phot…
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Lithium ion battery recycling using high-intensity ultrasonication Open
Electric vehicle battery electrodes are delaminated ultra-fast using high-powered ultrasound, separating active materials from the foil current collectors.
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Laser Acceleration of Highly Energetic Carbon Ions Using a Double-Layer Target Composed of Slightly Underdense Plasma and Ultrathin Foil Open
We report the experimental generation of highly energetic carbon ions up to 48 MeV per nucleon by shooting double-layer targets composed of well-controlled slightly underdense plasma and ultrathin foils with ultraintense femtosecond laser …
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Excellent HER and OER Catalyzing Performance of Se‐Vacancies in Defects‐Engineered PtSe<sub>2</sub>: From Simulation to Experiment Open
Faced with grave climate change and enormous energy demands, effective catalysts have become more and more important due to their significant effects on reducing fossil fuels consumption. The hydrogen evolution reaction (HER) and oxygen ev…
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Quantitative Electro-Reduction of CO<sub>2</sub> to Liquid Fuel over Electro-Synthesized Metal–Organic Frameworks Open
Efficient electro-reduction of CO2 over metal-organic framework (MOF) materials is hindered by the poor contact between thermally synthesized MOF particles and the electrode surface, which leads to low Faradaic efficiency for a given produ…
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Recovery of Cathode Materials and Aluminum Foil Using a Green Solvent Open
Effective separation of cathode materials and current collectors is one of the most enabling steps, yet a very challenging step, in recycling electrode scraps and spent Li-ion cells. Here, a green solvent, triethyl phosphate, was used to r…
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Structure, biomimetics, and fluid dynamics of fish skin surfaces Open
The interface between the fluid environment and the surface of the body in swimming fishes is critical for both physiological and hydrodynamic functions. The skin surface in most species of fishes is covered with bony scales or toothlike d…
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Challenges in Recycling Spent Lithium‐Ion Batteries: Spotlight on Polyvinylidene Fluoride Removal Open
In the recycling of retired lithium‐ion batteries (LIBs), the cathode materials containing valuable metals should be first separated from the current collector aluminum foil to decrease the difficulty and complexity in the subsequent metal…