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16 results for “electrospinning”
Dataset of "Characterization of Silicon-based Fibers Prepared by Electrospinning for Potential Li-ion Battery Anodes"
<p>The rapid growth of electric vehicles (EVs) is driven by advances in lithium-ion batteries (LIBs), particularly in anode materials. Graphite electrodes, widely used for their high porosity, conductivity, low weight, and cost-effectiveness, face competition from monocrystalline silicon. Silicon anodes offer higher capacity and energy density, and they are safer because of their nonflammable nature. However, silicon's tendency to expand and contract during cycling presents challenges. This study explores the use of silicon nano- and microfibers to enhance battery stability, addressing these issues effectively.<br>Monocrystalline silicon particles, obtained through milling and sieving, were used as the active component in the nanofibers. These particles, combined with organic precursors (PVP and TEOS), were processed using electrospinning to form fibers. The fibers were then annealed at 650 °C to remove the polymeric PVP component. <br>The results provide valuable insights into the properties and interactions of the silicon nanofibers, highlighting their potential in advanced energy storage devices. </p>
Preparation of thorium dioxide nanofibers by electrospinning_experimental dataset
<p>This file contains the raw unprocessed experimental data for the results published in Kundrát et al., Preparation of thorium dioxide nanofibers by electrospinning, Journal of Nuclear Materials, Volume 534, June 2020, 152153. </p> <p>. </p>
Preparation of polycrystalline tungsten nanofibers by needleless electrospinning_experimental dataset
<p>These datasets contain the raw unprocessed data to the Kundrát et al., Preparation of polycrystalline tungsten nanofibers by needleless electrospinning, <a href="https://www.sciencedirect.com/journal/journal-of-alloys-and-compounds">Journal of Alloys and Compounds</a>, <a href="https://www.sciencedirect.com/journal/journal-of-alloys-and-compounds/vol/900/suppl/C">Volume 900</a>, 15 April 2022, 163542. </p>
Nanofibers of solid-solution thorium(IV)-uranium(IV) oxides by electrospinning_experimental dataset
<p>Raw experimental data for Kundrát et al., Nanofibers of solid-solution thorium(IV)-uranium(IV) oxides by electrospinning, Journal of Nuclear Materials 566 (2022) 153731. </p>
Preparation of ultrafine fibrous uranium dioxide by electrospinning_experimental dataset
<p>This dataset contains the raw underlying data for the paper "Preparation of ultrafine fibrous uranium dioxide by electrospinning" available in open acess under DOI 10.5281/zenodo.3553488. </p>
Data from: Facile fabrication of Mn2+ doped ZnO photocatalysts by electrospinning
In this study, we report a high efficiency photocatalyst synthesized by Mn2+ doped ZnO nanofibers (NFs) fabricated by facile electrospinning and a following annealing process, in which Mn2+ successes incorporate to ZnO NFs lattice without changing any morphology and crystalline structure of ZnO. The photodegradation properties were studied for ZnO doping with different concentrations of Mn2+ (5, 10, 15 and 50 at.%). The 50 % Mn2+-doped ZnO NFs owns excellent active photocatalytic performance (quantum efficiency up to 7.57 %) compared to pure ZnO (0.16 %) under visible light and can be considered as an efficient visible-light photocatalyst material. We systematically analyzed the catalytic mechanism and showed that the enhancement belongs to the Mn doping effect and the phase junction between MnO and ZnO. The dominant mechanism of Mn doping leads to the presence of impurity levels in the band gap of ZnO, narrowing the optical band gap of ZnO. In addition, doped Mn2+ ions can be used as electron traps that inhibit the recombination process and promote electron-hole pair separation. Overall, this paper provides a facile approach to fabricate a highly efficient visible-light photocatalyst using controlled annealing.
Matlab files for: Mathematical Modelling of Polymer Trajectory during Electrospinning
<p>Matlab files used within this publication to be able to replicate the results.</p>
The supplementary materials of the article"Construction of myocardial patch with mesenchymal stem cells and poly (CL-co-TOSUO)/collagen scaffolds for myocardial infarction repair by coaxial electrospinning"
<p>The supplementary materials of "Construction of myocardial patch with mesenchymal stem cells and poly (CL-co-TOSUO)/collagen scaffolds for myocardial infarction repair by coaxial electrospinning" consist of three figures: Figure S1: The structure and the molecular characteristics of the elastic PCT from gel permeation chromatography; Figure S2: Time series photographs of the rats’ back skin following the subcutaneous transplantation of coaxial electrospun fibrous PCT/collagen scaffolds. Figure S3: Representative histopathological images of the rats' skin following the transplantation of PCT/collagen coaxial nanofibers scaffolds.</p>
Data from: Facile fabrication of Mn2+ doped ZnO photocatalysts by electrospinning
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Data from: Electrospinning repellents in polyvinyl alcohol-nanofibers for obtaining mosquito repelling fabrics
Recently, the use of repellents for preventing the transmission of mosquito-borne diseases is getting increasingly more attention. However, most of the current repellents are volatile in nature and must be frequently re-applied as their efficacy is only limited to a short period of time. Therefore, a slow release and abrasion resistant mechanism is needed for prolonging the protection time of these repellents. This study direct micro-encapsulation of repellents from an emulsion or integrating already encapsulated repellents into nanofibers via electrospinning. Different repellents were electrospun in polyvinyl alcohol (PVA) nanofibrous structures, namely p-menthane-3,8-diol (PMD) microcapsules, permethrin, chili and catnip oil. The repellents were successfully incorporated in the nanofibers and the tensile properties of the resulting samples did not have a significant change. This means that the newly created textiles will be identical to current PVA nanofibrous textiles with the added benefit of being mosquito repellent. Principally, all incorporated repellents in the nanofibrous structures showed a significantly reduced number of mosquito landings compared to the control. Consequently, the currently described method resulted in a new and very effective repelling textile material that can be used in the prevention against mosquito associated diseases.
Data from: Electrospinning preparation of oxygen-deficient nano TiO2-x/carbon fibre membrane as a self-standing high performance anode for Li-ion batteries
Improving the specific capacity and electronic conductivity of TiO2 can boost its practical application as a promising anode material for lithium ion batteries. In this work, a three-dimensional networking oxygen-deficient nano TiO2-x/carbon fibre membrane was achieved by combining the electrospinning process with a hot-press sintering method and directly used as a self-standing anode. With the synergistic effects of three-dimensional conductive networks, surface oxygen deficiency, high specific surface area and high porosity, binder-free and self-standing structure, etc., the nano TiO2-x/carbon fibre membrane electrode displays a high electrochemical reaction kinetics and a high specific capacity. The reversible capacity could be jointly generated from porous carbon, full-lithiation of TiO2 and interfacial lithium storage. At a current density of 100 mA g−1, the reversible discharge capacity can reach 464 mA h g−1. Even at 500 mA g−1, the discharge capacity still remains at 312 mA h g−1. Compared with pure carbon fibre and TiO2 powder, the TiO2-x/C fibre membrane electrode also exhibits an excellent cycle performance with a discharge capacity of 209 mA h g−1 after 700 cycles at the current density of 300 mA g−1, and the coulombic efficiency always remains at approximately 100%.
Figures for electrospinning of PVA-CS-CH3COOH-C2H5OH-H2O solution
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Data from: Electrospinning preparation of oxygen-deficient nano TiO2-x/carbon fibre membrane as a self-standing high performance anode for Li-ion batteries
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Data from: Electrospinning repellents in polyvinyl alcohol-nanofibers for obtaining mosquito repelling fabrics
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Experimental Study of the Vascular Prosthesis Manufactured by Electrospinning
ClinicalTrials.gov study NCT02255188. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Adjustment of chitosan electrospinning parameters
<p><span>File contains the tested parameters of adjustment of chitosan for electrospinning application. File contents visualisation of obtained materials.</span></p>
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