A5012934651- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Bone Tissue Engineering Materials
- Graphene research and applications
- Advanced battery technologies research
- Conducting polymers and applications
- Advanced Thermoelectric Materials and Devices
- Thermal properties of materials
- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Thermal Radiation and Cooling Technologies
- Electromagnetic wave absorption materials
- Advanced Sensor and Energy Harvesting Materials
- Titanium Alloys Microstructure and Properties
- Dental Implant Techniques and Outcomes
- Transition Metal Oxide Nanomaterials
- Radiative Heat Transfer Studies
- 2D Materials and Applications
- Electrochemical sensors and biosensors
- MXene and MAX Phase Materials
- Polymer Nanocomposites and Properties
- Glass properties and applications
- Orthopaedic implants and arthroplasty
- Solar Thermal and Photovoltaic Systems
- Electrospun Nanofibers in Biomedical Applications
Yunnan University
2022-2025
National Engineering Research Center of Electromagnetic Radiation Control Materials
2025
University of Manchester
2016-2024
Henry Royce Institute
2019-2022
South China University of Technology
2019
Harbin Institute of Technology
2012-2015
Harbin University
2015
University of Southampton
2015
The 3D interconnected structure of the GO/PPy composite ensures fast ion diffusion through electrode, leading to excellent supercapacitor performance.
Conventional chemical oxidation routes for the production of graphene oxide (GO), such as Hummers’ method, suffer from environmental and safety issues due to their use hazardous explosive chemicals. These are addressed by electrochemical methods, but approaches typically have a low yield inhomogeneous oxidation. Herein we report two-step intercalation approach produce GO on large laboratory scale (tens grams) comprising (1) forming stage 1 graphite compound (GIC) in concentrated sulfuric...
Conductive inks for the future printed electronics should have following merits: high conductivity, flexibility, low cost, and compatibility with wide range of substrates. However, state-of-the-art conductive based on metal nanoparticles are in cost poor flexibility. Herein, we reported a highly conductive, super flexible ink graphene nanoplatelets. The has been screen-printed plastic paper Combined postprinting treatments including thermal annealing compression rolling, pattern shows...
A facile co-electrodeposition method has been developed to fabricate reduced graphene oxide/polypyrrole (rGO/PPy) composite films, with sodium dodecyl benzene sulfonate as both a surfactant and supporting electrolyte in the precursor solution. The introduction of rGO into PPy films forms porous structure enhances conductivity across film, leading superior electrochemical performance. By controlling deposition time concentration, highest area capacitance can reach 411 mF/cm2 (0.2 mA/cm2) for...
Poor cycling stability and mechanistic controversies have hindered the wider application of rechargeable aqueous Zn-MnO2 batteries. Herein, direct evidence was provided importance Mn2+ in this type battery by using a bespoke cell. Without pre-addition , cell exhibited an abnormal discharge-charge profile, meaning it functioned as primary battery. By adjusting content electrolyte, recovered its charging ability through electrodeposition MnO2 . Additionally, dynamic pH variation observed...
Lithium-ion capacitors possess excellent power and energy densities, they can combine both of those advantages from supercapacitors lithium-ion batteries, leading to novel generation hybrid devices for storing energy. This study synthesized one three-dimensional (3D) hierarchical structure, self-assembled CoS nanosheets, according a simple efficient manner, be used as an anode lithium ion capacitors. anode, based on conversion-type Li+ storage mechanism dominated by diffusion control, showed...
Daytime radiative cooling can spontaneously cool an object by reflecting sunlight and radiating heat in the form of infrared rays. Current daytime designs, including photonic structures organic polymer-dielectric systems, are prone to age fail under harsh conditions high temperature, mechanical wear, and/or space irradiation. Here, all-inorganic phosphoric acid-based geopolymer (PGEO) paint was developed showed robust performance. This versatile suspension be applied directly diverse...
Photodetectors are finding various potential applications in sensing and detection, information communication, light-emitting diode, optical modulators, ultrafast laser, etc. Molybdenum disulfide (MoS2) has sparked great interest given its unique crystal phase, flexible preparation, structural stability, regulable photoelectronic features. Therefore, the MoS2-based photodetector is demonstrated to be an excellent device fabrication platform explore underlying sensitive broadband high-speed...
Abstract Catalysts that can promote the hydrogen evolution reaction (HER) and oxygen (OER) are in demand for efficient water splitting. Here, a general practical UV‐induced synthesis of noble metal catalysts supported on reduced electrochemical graphene oxide (M‐rEGO, M = Ir, Pt or Pd) is proposed. The use EGO with low degree oxidation generation highly reducing isopropanol radical from added acetone crucial this one‐step, one‐pot synthesis. Using Ir as model material, vacancies rEGO allow...
Microarc oxidation (MAO) coating containing Ca, P, Si, and Na elements on a titanium (Ti) implant has been steam-hydrothermally treated further mediated by post-heat treatment to overcome the compromised bone-implant integration. The bone regeneration, contact, biomechanical push-out force of modified Ti implants are discussed thoroughly in this work. best vivo performances for one is attributed synergistic effects surface chemistry topologic structure. Through treatment, we can decouple...
A scale-up process of high-rate-capability supercapacitors based on electrochemically exfoliated graphene (EEG) and hybrid activated carbon (AC)/EEG are studied in this work. comparison the rate capabilities large-scale EEG AC/EEG-based pouch cell commercial high-power also presented paper. The oxygen content used work is 9.6 at%, with a C/O ratio 9.36, electrical conductivity 2.68 × 104 Sm−1. specific capacitance (59 Fg−1) EEG-based remained above 80% maximum value as scan was increased...
Modulation of the grain boundary properties in thermoelectric materials that have thermally activated electrical conductivity is crucial order to achieve high performance at low temperatures. In this work, we show directly modulation potential barrier boundaries perovskite SrTiO3 changes low-temperature dependency bulk material’s conductivity. By sintering samples a reducing environment increasing strength, produced La0.08Sr0.9TiO3 (LSTO) ceramics gradually change their behavior from...
Abstract Single-atom catalysts (SACs) with atomically dispersed catalytic sites have shown outstanding performance in a variety of reactions. However, the development facile and high-yield techniques for fabrication SACs remains challenging. In this paper, we report laser-induced solid-phase strategy synthesis Pt on graphene support. Simply by rapid laser scanning/irradiation freeze-dried electrochemical oxide (EGO) film loaded chloroplatinic acid (H 2 PtCl 6 ), enabled simultaneous...
Vapor condensation and condensate collection play a crucial role in solar water desalination, which is promising solution to the shortage of freshwater. However, currently used condensers based on thermal conduction and/or convection cooling are limited power for vapor condensation, whilst their surface wettability requires appropriate modulation facilitate collection. In this work, we achieve efficient via using spectral selectivity engineered coating comprising hydrophobic SiO2 hydrophilic...
Two-dimensional materials show considerable promise as high surface area electrodes for energy-storage applications such supercapacitors. A single sheet of graphene possesses a large specific because its atomically thin thickness. However, to package this efficiently in device, it must be confined within finite three-dimensional volume without restacking the faces. Herein, we present method maintaining through use hybrid film which few-layer-exfoliated black phosphorus (BP) reduces oxide...
Electromagnetic interference (EMI) shielding coating materials with thicknesses in the microscale are required many sectors, including communications, medical, aerospace, and electronics, to isolate electromagnetic radiation emitted from electronic equipment. We report a spray, layer-by-layer (LbL) approach fabricate micrometer thick, highly ordered, electrically conductive coatings EMI effectiveness (EMI SE ≥ 4830 dB/mm) through alternating self-assembly of negatively charged reduced...