A5101796240- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Graphene research and applications
- Magnetic Properties and Synthesis of Ferrites
- Transition Metal Oxide Nanomaterials
- Advanced battery technologies research
- ZnO doping and properties
- Electrocatalysts for Energy Conversion
- Copper-based nanomaterials and applications
- Extraction and Separation Processes
- Advanced Sensor and Energy Harvesting Materials
- Advanced Battery Technologies Research
- Anodic Oxide Films and Nanostructures
- Nanomaterials for catalytic reactions
- Fuel Cells and Related Materials
- Iron oxide chemistry and applications
- Evaluation Methods in Various Fields
- Nanowire Synthesis and Applications
- Advanced Photocatalysis Techniques
- Semiconductor materials and interfaces
- Advancements in Semiconductor Devices and Circuit Design
- Per- and polyfluoroalkyl substances research
- Catalytic C–H Functionalization Methods
- Electromagnetic wave absorption materials
Qingdao University of Science and Technology
2023
South China Normal University
2008-2023
Nanchang Institute of Technology
2022
City University of Hong Kong
2012-2020
Nanyang Technological University
2015-2019
Shanghai Institute of Organic Chemistry
2017
Chinese Academy of Sciences
2017
Hong Kong Polytechnic University
2015
Chongqing University
2007
We have developed a kind of high-yield synthesis strategy for silver nanowires by two-step injection polyol method. Silver and polyethylene oxide (PEO) (Mw = 900 000) were prepared in homogeneous-coating ink. Wet composite films with different thicknesses fabricated on PET substrate drawn-down rod-coating technology. substrates present homogeneous distribution under the assistance PEO. Then PEO was thermally removed situ at relatively low temperature attributed to its special thermal...
The charge storage mechanism and reaction kinetics enhancement of an oxygen-deficient vanadium oxide@N-doped carbon heterostructure were elucidated by experimental theoretical studies.
Graphite-nanoplatelet (GNP)-decorated polymer nanofiber composites with hierarchical structures were fabricated by the combination of electrospinning and ultrasonication. It was found that GNPs could be well attached or embedded onto nanofibers when their size comparable to diameter. X-ray diffraction results indicated ultrasonic treatment exerted no influence on carbon crystal layer spacing. Fourier transform infrared spectra Raman spectroscopy revealed existence interfacial interaction...
Bismuth sulfide (Bi<sub>2</sub>S<sub>3</sub>) is considered as a promising anode material for lithium ion batteries (LIBs) owing to its high theoretical specific capacity and intriguing reaction mechanism.
Antimony sulfide can be used as a promising anode material for lithium ion batteries due to its high theoretical specific capacity derived from sequential conversion and alloying insertion reactions.
A MoS<sub>2</sub>@SnS heterostructure can serve as an advanced anode for sodium-ion batteries with enhanced reaction kinetics.
A microspherical, hollow LiFePO4 (LFP) cathode material with polycrystal structure was simply synthesized by a solvothermal method using spherical Li3PO4 as the self-sacrificed template and FeCl2·4H2O Fe2+ source. Scanning electron microscopy (SEM) transmission (TEM) show that LFP micro spheres have quite uniform size of ∼1 μm consisting aggregated nanoparticles. The influences solvent source on phase morphology final product were chiefly investigated, direct ion exchange reaction between...
We develop a one-pot and scalable hydrothermal strategy to prepare nanoscale metallic Cu incorporated CuFe2O4 hexagonal platelets graphene (Cu–CuFe2O4/G) composites at low reaction temperature as anode materials for lithium-ion batteries (LIBs). Nanoscale was attached sheets in the composites. Such structural features are responsible exploiting respective advantages improve electrochemical performance. The Cu–CuFe2O4/G deliver high capacity of 672 mA h g−1 after 200 cycles current density...
Delafossite CuFeO2 hexagonal platelets/rings and graphene composites were synthesized by a low temperature hydrothermal method. The formation mechanism of follows the combined effects both GO NaOH. obtained as anode materials display good battery performance with high reversible capacity, rate capability cyclic stability.
We present a high-yield and low cost thermal evaporation-induced anhydrous strategy to prepare hybrid materials of Fe3O4 nanoparticles graphene as an advanced anode for high-performance lithium ion batteries. The ~10-20 nm are densely anchored on conducting sheets act spacers keep the adjacent separated. Fe3O4-graphene composite displays superior battery performance with high retained capacity 868 mA h g(-1) up 100 cycles at current density 200 g(-1), 539 when cycling 1000 Coulombic...
A novel facile and environmentally friendly strategy was developed to prepare Fe<sub>3</sub>O<sub>4</sub> graphene (Fe<sub>3</sub>O<sub>4</sub>/G) nanocomposites through <italic>in situ</italic> thermal reduction of FeOOH nanorods oxide (GO) nanocomposites.
Antimony sulfide (Sb2S3) has been employed for materials of the potential anode in sodium-ion batteries (SIBs) because it possesses a high theoretical capacity. However, volume variations coupled with sluggish diffusion kinetics cause rapid capacity degradation and cyclic instability during sodiation/desodiation process. Here, we introduce simple strategy to develop nitrogen-doped carbon-encapsulated antimony nanowire (Sb2S3@N-C) composites SIBs. The resulting display excellent...
A new well-designed two-step injection solution-based method has been proposed to rapidly prepare uniform silver nanowires on a gram-scale. Uniform with different and controllable aspect ratios can be synthesized in high yields. Due chemical reaction rate arising from AgNO3 concentration, the whole synthetic process of is rapid controlled within 20 min. The influences experimental parameters morphologies nanoproducts such high-concentration synthesis were investigated. It was found that...
Homogeneous LiF/Fe/Graphene nanocomposites as cathode material for lithium ion batteries have been synthesized the first time by a facile two-step strategy, which not only avoids use of highly corrosive reagents and expensive precursors but also fully takes advantage excellent electronic conductivity graphene. The capacity remains higher than 150 mA h g(-1) after 180 cylces, indicating high reversible stable cyclability. ex situ XRD HRTEM investigations on cycled LiF/Fe/G confirm formation...
Abstract A novel, facile, self‐assembly approach, based on a gas‐bubble‐template model and assisted by graphene oxide, is developed to fabricate hollow 3D mesoporous CoFe 2 O 4 nanospheres (NSs) composites. During the hydrothermal process, oxygen‐containing functional groups defect sites sheets act as nucleation centers anchor released gas bubbles, providing soft template for aggregation of nanosized crystallite building blocks form NSs. Benefiting from synergistic effect between NSs...
We report the high-yield preparation of carbon-supported superparamagnetic Fe3O4 nanocomposites (C–Fe3O4-NCs) using a simple evaporation-induced method. The products consist ∼3–10 nm nanocrystals uniformly embedded in carbon matrix to assemble nanoparticles with size range from 40 80 nm. It is shown that lithium-ion batteries (LIB) assembled heat-treated C–Fe3O4-NCs present attractive characteristics including high specific capacity 752 mA h g−1 at current rate 0.2 C for second discharge...
Rugated porous Fe3O4 thin films were synthesized by a facile multi-pulse electrochemical anodization method. The fabricated are directly grown on Fe, featuring nano-channels with periodically rugated channel walls running throughout the film thickness direction. Electrochemical measurements show that as-prepared readily serve as high-performance anode materials for lithium ion batteries specific capacity of 1100, 880 and 660 mA h g−1 at 0.1, 0.2, 0.5 C, respectively, which compared favorably...
Fluorinated alkenes exhibit very poor reactivity in copolymerization with non-fluorinated polar monomers such as acrylates. Herein we describe a convenient method for the synthesis of poly(vinyl fluoride-co-acrylic acid) and poly(2-fluoropropene-co-methacrylic copolymers. Thus, silver-catalyzed decarboxylative radical fluorination poly(acrylic Selectfluor water at room temperature affords copolymers high yields well-defined molecular weights polydispersities. A linear correlation is observed...