91 Result(s)
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Article
Controllable preparation and properties of boron-doped carbon aerogel composites
Carbon aerogels represent a highly promising category of carbon materials with extensive application prospects in insulation, adsorption, catalysis, and battery technologies. Nevertheless, the current preparat...
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Article
Regulating the surface morphology and improving the thermochromic properties of VO2 films by introducing Cu-Ag and Cu-Zr nanoparticles into the VO2/VO2/VO2 structure
In this work, Cu-Ag and Cu-Zr bimetallic nanoparticles (NPs) were embedded into VO2/VO2/VO2 tri-layer films by using pulsed laser deposition. The results showed that Cu-Ag and Cu-Zr NPs have a significant regulat...
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Article
Liquid-metal-based magnetic fluids
Magnetic fluids, suspensions of magnetic particles in carrier liquids like water, oil or organic solvents, combine magnetic properties with fluidity to achieve features such as rapid magnetic response, reversi...
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Article
Construction of rod-like micro/nano structure and its effects on the electrochemical energy storage performance of lithium-rich manganese-based cathode material
By adjusting the oxidant amount and hydrothermal reaction temperature, a rod-shaped MnO2 sample was formed. Taking it as the manganese source, a Li-rich manganese-based cathode material (LMCM) with obvious rod-li...
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Article
Facile synthesis, characterization, biocompatibility and protein loading/release property of zinc-doped hollow mesoporous bioactive glass nanospheres
We synthetized hollow mesoporous bioactive glass nanospheres (HMBGS) and zinc-doped hollow mesoporous bioactive glass nanospheres (Zn-HMBGS) in which 5 mol% zinc was substituted for calcium using polyacrylic a...
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Article
Tunable lattice thermal conductivity of 2D MoSe2 via biaxial strain: a comparative study between the monolayer and bilayer
Strain engineering has been proved to be an effective approach to modulate various physical properties in two-dimensional (2D) materials with flexible structures. In this work, based on first-principles calcul...
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Article
Open AccessThe ultra-high electric breakdown strength and superior energy storage properties of (Bi0.2Na0.2K0.2La0.2Sr0.2)TiO3 high-entropy ferroelectric thin films
The electric breakdown strength (Eb) is an important factor that determines the practical applications of dielectric materials in electrical energy storage and electronics. However, there is a tradeoff between Eb
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Article
Design on modified glass fiber separator by ball-milled tin fluoride particles for Zn metal anodes with high reversibility
Aqueous zinc ion batteries (AZIBs) are considered a promising alternative to lithium-ion batteries for grid-scale energy storage due to superior energy density, high safety, eco-friendliness, and low cost. How...
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Article
Interface engineering induced NiFe/Ni-Mo-S@CC heterostructure with excellent OER and HER performance
The development of high-efficiency, low-cost and stable noble-metal-free electrocatalysts for water splitting is essential for the sustainable production of hydrogen. Herein, hierarchical Ni-Mo-S nanosheet dec...
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Article
Relaxor regulation and enhancement of energy storage properties in bi-modified Sr2NaNb5O15-based tetragonal tungsten bronze ceramics
Dielectric capacitors based on the relaxor ferroelectric ceramic with large discharge power density offer significant advantages for advanced pulsed power systems. Tungsten bronze-based relaxor ceramics have e...
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Article
The sensitivity and specificity of carbon dot species on the detection of chromium metal ions
Rapid industrialization has brought about Cr6+ pollution, and the excellent performance of carbon dots (CDs) provides a new idea for preparing environmentally friendly nanoprobes for Cr6+ detection. In the presen...
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Article
Electrochemical performance enhancement of tremella-shape Li4Ti5 − xAlxO12 anode material for lithium-ion batteries
The Li4Ti5−xAlxO12 samples with tremella-shape were synthesized via a hydrothermal method at 550 °C and used as anode material in lithium-ion batteries. The XRD results revealed all as-prepared Li4Ti5−xAlxO12 sam...
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Article
Improvement of electrochemical performance of LiNi0.5Co0.2Mn0.3O2 by LaF3 coating at high cut-off voltage
A simple wet chemical method was used to coat a layer of LaF3 on the surface of LiNi0.5Co0.2Mn0.3O2(NCM523) to improve the electrochemical performance. Through the characterization of X-ray diffractometer (XRD), ...
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Article
Polyvinylammonium-immobilized FAPbI3 Perovskite Grains for Flexible Fibrous Woven RRAM Array
Woven resistive random access memory (RRAM) is a promising subject in flexible wearable electronic devices. In this work, polyvinylammonium iodate (PVAm·HI) is added to the FAPbI3 perovskite precursor solution to...
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Article
Two-dimensional sandwich-like heterostructures of amorphous VOx/MXene as freestanding cathode materials with superior electrochemical performance for aqueous zinc-ion batteries
Although vanadium-based compounds are considered to be reliable zinc storage materials due to their high theoretical specific capacity, notorious poor conductivity and unstable structure hamper their practical...
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Article
Open AccessUltrastrong conductive in situ composite composed of nanodiamond incoherently embedded in disordered multilayer graphene
Traditional ceramics or metals cannot simultaneously achieve ultrahigh strength and high electrical conductivity. The elemental carbon can form a variety of allotropes with entirely different physical properti...
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Article
The dielectric properties and relaxor behavior of gadolinium oxide modified barium zirconate titanate ceramics for Y5V capacitor applications
The Gd2O3 modified Ba(Zr0.1Ti0.9)O3 dielectric ceramics were fabricated using the conventional solid state reaction method. The influences of Gd2O3 on their microstructures, dielectric properties and relaxor beha...
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Article
Improving the electrochemical performance of Ni-rich LiNi0.6Co0.2Mn0.2O2 cathode at high cutoff voltage coated with LiBO2
Ni-rich LiNi0.6Co0.2Mn0.2O2 is a promising cathode material for lithium ion battery. Although the Ni-rich cathode material has high specific capacity, the increase of Ni content aggravates the interfacial side re...
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Freestanding carbon nanotube/orthorhombic V2O5 nanobelt films for advanced aqueous zinc-ion batteries: electrochemical performance and in situ Raman spectroscopy investigations
Among many energy storage equipment, aqueous zinc-ion batteries (AZIBs) have attracted much attention because of their high safety and low cost. Herein, orthorhombic V2O5 nanobelts (NBs-V2O5) are prepared, and it...
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Article
Tunning the dielectric and energy storage properties of high entropy ceramics (Bi0.2Na0.2K0.2La0.2Sr0.2)(Ti1-xScx)O3 by Sc-do** at B-site in perovskite structure
The (Bi0.2Na0.2K0.2La0.2Sr0.2)(Ti1-xScx)O3 (BNKLST-xSc) high entropy ceramics (HECs) have been successfully synthesized via a citrate acid method. The effects of Sc-do** on the lattice structure, microstructura...
