16 Result(s)
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**angwu Zhang
Characterization and Evaluation of Materials
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Article
Naturally osmotic water transport across nanopores in relation to pore diameters of forward osmosis membrane
It is of great significance to explore the osmotic transport mechanisms across nanopores for the design and applications of forward osmosis membranes. To deeply understand the quantitative relationship between...
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Article
Porous carbon nanosheets derived from expanded graphite for supercapacitors and sodium-ion batteries
Two-dimensional carbons have attracted extensive interest in the field of energy storage and conversion owing to their unique nanostructure, high aspect ratios, and abundant surface-active sites. In this work,...
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Article
Centrifugally spun porous carbon microfibers as interlayer for Li–S batteries
Lithium–sulfur (Li–S) batteries have attracted great interest owing to their high energy density. However, shuttling of polysulfides deteriorates the electrochemical performance of Li–S batteries and prevents ...
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Article
High-strength, thermally stable nylon 6,6 composite nanofiber separators for lithium-ion batteries
Electrospun nylon 6,6 composite nanofiber membranes containing TiO2 or SiO2 nanoparticles were fabricated, and their physical and electrochemical properties were assessed for use as high-strength, thermally stab...
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Article
Tin nanoparticles embedded in ordered mesoporous carbon as high-performance anode for sodium-ion batteries
Tin (Sn) has been considered as an attractive anode material for sodium-ion batteries (SIBs) due to its high theoretical capacity (847 mAh g−1). Nevertheless, its low conductivity and large volume change during c...
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Article
Comparing the structures and sodium storage properties of centrifugally spun SnO2 microfiber anodes with/without chemical vapor deposition
SnO2 microfibers were prepared using a newly developed centrifugal spinning technology with subsequent thermal treatment. The as-prepared SnO2 microfibers were further treated with chemical vapor deposition (CVD)...
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Article
Centrifugally-spun tin-containing carbon nanofibers as anode material for lithium-ion batteries
Carbon nanofibers, due to their high electric conductivity and excellent mechanical strength, have been studied and applied in areas such as energy storage, tissue engineering, filtration, and catalysis. So fa...
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Article
Nanofiber-Based Membrane Separators for Lithium-ion Batteries
Nanofiber-based membranes were prepared by two different methods for use as separators for Lithium-ion batteries (LIBs). In the first method, Electrospinning was used for the fabrication of Polyvinylidene fluo...
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Article
Preparation and characterization of electrospun nanofiber-coated membrane separators for lithium-ion batteries
Nanofiber-coated membrane separators were prepared by electrospinning polyvinylidene fluoride-co-chlorotrifluoroethylene (PVDF-co-CTFE) nanofibers onto three different microporous membrane substrates. The nano...
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Article
Improvement of cyclability of silicon-containing carbon nanofiber anodes for lithium-ion batteries by employing succinic anhydride as an electrolyte additive
Si/C composite nanofibers were prepared by electrospinning and carbonization using polyacrylonitrile as the spinning medium and carbon precursor. The effect of electrolyte additive succinic anhydride (SA) on t...
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Article
Structures and properties of SnO2 nanofibers derived from two different polymer intermediates
Two types of SnO2 nanofibers were prepared by electrospinning and calcination of polyvinyl acetate/stannic chloride pentahydrate and polyvinyl pyrrolidone/stannic chloride pentahydrate precursors, respectively. D...
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Article
Preparation and properties of nanofiber-coated composite membranes as battery separators via electrospinning
An electrospun nanofiber-coated Celgard® 2400 polypropylene microporous battery separator was prepared using polyvinylidene fluoride (PVDF) and polyvinylidene fluoride-co-chlorotrifluoroethylene (PVDF-co-CTFE). T...
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Article
Plasma-Electrospinning Hybrid Process and Plasma Pretreatment to Improve Adhesive Properties of Nanofibers on Fabric Surface
Electrospun nanofiber mats are inherently weak, and hence they are often deposited on mechanically-strong substrates such as porous woven fabrics that can provide good structural support without altering the n...
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Article
Electrocatalytic interaction of nano-engineered palladium on carbon nanofibers with hydrogen peroxide and β-NADH
The growing demands for reagentless hydrogen peroxide (H2O2) and β-nicotinamide adenine dinucleotide (β-NADH) sensors from food, pharmaceutical, chemical, and biochemical fields have stimulated extensive research...
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Article
The influence of low-melting-point alloy on the rheological properties of a polystyrene melt
The rheological behavior of polystyrene melts filled with different loadings of Sn-Pb alloy has been studied. The filled polystyrene melts showed a pseudoplastic behavior, and the viscosity varied dramatically...
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Article
Upgrading of urea formaldehyde-bonded reed and wheat straw particleboards using silane coupling agents
Reed and wheat straw particleboards bonded with urea formaldehyde (UF) resin were manufactured from two different material configurations (i.e., fine and coarse particles). The board densities were in the rang...
