A5001318644- Supercapacitor Materials and Fabrication
- MXene and MAX Phase Materials
- Advancements in Battery Materials
- Advanced Sensor and Energy Harvesting Materials
- Advanced battery technologies research
- Conducting polymers and applications
- Electrocatalysts for Energy Conversion
- Advanced Battery Materials and Technologies
- Corrosion Behavior and Inhibition
- Aluminum Alloys Composites Properties
- Advanced ceramic materials synthesis
- Advanced Memory and Neural Computing
- Magnesium Alloys: Properties and Applications
- Catalytic Processes in Materials Science
- Metal and Thin Film Mechanics
- Anodic Oxide Films and Nanostructures
- Luminescence and Fluorescent Materials
- Advanced materials and composites
- Electrochemical Analysis and Applications
- Diamond and Carbon-based Materials Research
- Semiconductor materials and devices
- Organic Electronics and Photovoltaics
- Carbon Nanotubes in Composites
- Fuel Cells and Related Materials
- Gas Sensing Nanomaterials and Sensors
Wuhan Institute of Technology
2013-2025
Shaanxi University of Science and Technology
2018-2025
Wenzhou Medical University
2025
Dalian Institute of Chemical Physics
2020-2024
Chinese Academy of Sciences
2020-2024
Soochow University
2022-2024
Changzhou University
2012-2024
Inner Mongolia University
2024
Yangzhou University
2024
Shanghai Institute of Materia Medica
2024
A three-dimensional graphene network (3DGN) grown on nickel foam is an excellent template for the synthesis of graphene-based composite electrodes use in supercapacitors. Ni(OH)2nanosheets coated onto single-crystal Ni3S2nanorods surface 3DGN (referred to as Ni3S2@Ni(OH)2/3DGN) are synthesized using a one-step hydrothermal reaction. SEM, TEM, XRD and Raman spectroscopy used investigate morphological structural evolution Ni3S2@Ni(OH)2/3DGN. Detailed electrochemical characterization shows that...
The demand for a new generation of flexible, portable, and high‐capacity power sources increases rapidly with the development advanced wearable electronic devices. Here we report simple process large‐scale fabrication self‐standing composite film electrodes composed NiCo 2 O 4 @carbon nanotube (CNT) supercapacitors. Among all prepared, one fired in air displays best electrochemical behavior, achieving specific capacitance 1,590 F g −1 at 0.5 A while maintaining excellent stability. @CNT/CNT...
Abstract Conductive polymer hydrogels are receiving considerable attention in applications such as soft robots and human‐machine interfaces. Herein, a transparent highly ionically conductive hydrogel that integrates sensing, UV‐filtering, water‐retaining, anti‐freezing performances is achieved by the organic combination of tannic acid‐coated hydroxyapatite nanowires (TA@HAP NWs), polyvinyl alcohol (PVA) chains, ethylene glycol (EG), metal ions. The ionic conductivity enables tensile strain,...
Abstract Despite intense development of inkjet printing for scalable and customizable fabrication power sources, one major shortcoming is the lack eco‐friendly aqueous inks free additives (e.g., toxic solvents, surfactants). Here, an printable MXene/poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonic acid) (MP) hybrid ink demonstrated that has adjustable viscosity to directly inkjet‐print micro‐supercapacitors (MP‐MSCs) with excellent performance, seamless integration, desirable...
Abstract The rapid advancement in the miniaturization, integration, and intelligence of electronic devices has escalated demand for customizable micro‐supercapacitors (MSCs) with high energy density. However, efficient microfabrication safe high‐energy MXene MSCs integrating microelectronics remains a significant challenge due to low voltage window aqueous electrolytes (typically ≤0.6 V) limited areal mass loading microelectrodes. Here, we tackle these challenges by developing...
Inspired by the structural organization of mitochondria and bioadhesive principle, a simple versatile approach to construct multienzyme system is developed. More specifically, composed polydopamine (PDA) microcapsule scaffold three spatially separated enzymes. The PDA microcapsules are prepared through rapid, spontaneous self-polymerization dopamine on surface CaCO3 microparticle template, followed dissolution template using EDTA. wall thickness can be tuned concentration in an aqueous...
A facile, environmentally friendly, and economical synthetic route for production of large-amounts (gram scale) two-dimensional (2D) layered SnS2 nanoplates is presented. The electrode fabricated from the nanoplate exhibits excellent lithium-ion battery performance with highly reversible capacity, good cycling stability capacity retention after 30 cycles.
Thumb-ring-like α-Fe2O3 and reduced graphene oxide (rGO) composites, α-Fe2O3/rGO, have been synthesized via a simple hydrothermal method accompanied by surface potential tuning. The obtained samples exhibit good electrochemical performance with wide negative window of −1–0.2 V vs Ag/AgCl when serving as supercapacitor electrodes. There is only about 10% decay after 11 000 cycles galvanostatic charge–discharge (GCD) test. After few tens cycling activity, the capacitance achieved stable value...
Self-standing and flexible films worked as pseudocapacitor electrodes have been fabricated via a simple vacuum-filtration procedure to stack δ-MnO2@carbon nanotubes (CNTs) composite layer pure CNT one by with layers ended. The lightweight CNTs served both current collector supporter, while the MnO2@CNTs birnessite-type MnO2 active made main contribution capacitance. At low discharge of 0.2 A g–1, layered displayed high areal capacitance 0.293 F cm–2 mass 1.97 mg (specific 149 g–1) thickness...
MXenes are one of the key materials for micro-supercapacitors (MSCs), integrating miniaturized energy-storage components with microelectronics. However, energy densities MSCs greatly hampered by MXenes' narrow working potential window (typically ≤0.6 V) in aqueous electrolytes. Here, we report fabrication high-voltage MXene-MSCs through efficient regulation reaction kinetics 2D Ti3C2T x MXene microelectrodes using a water-in-LiCl (WIL, 20 m LiCl) salt gel electrolyte. Importantly, intrinsic...
Abstract Highly oriented graphite-based composites have attracted great attention because of their high thermal conductivity (TC), but the low mechanical properties caused by inhomogeneous distribution and discontinuity reinforcements restrict wide applications. Herein, continuous SiC ceramic skeleton reinforced highly graphite flake (SiC/GF) were successfully prepared combining vacuum filtration spark plasma sintering. The effect concentration on microstructure, flexural strength,...
The escalating demand for micro/nano-sized devices, such as micro/nano-robots, intelligent portable/wearable microsystems, and implantable medical microdevices, necessitates the expeditious development of integrated microsystems incorporating energy conversion, storage, consumption. Critical bottlenecks in microscale storage/sensors their systems are being addressed by exploring new technologies materials, e.g., MXene, holding great potential developing lightweight deformable microdevices....
Accurately placing very small amounts of electrolyte on tiny micro-supercapacitors (MSCs) arrays in close proximity is a major challenge. This difficulty hinders the development densely-compact monolithically integrated MSCs (MIMSCs). To overcome this grand challenge, we demonstrate controllable directed assembly strategy for precise isolation densely-packed at micron scale, achieving scalable production MIMSCs with ultrahigh areal number density and output voltage. We fabricate patterned...
While pseudocapacitive electrodes have potential to store more energy than electrical double-layer capacitive electrodes, their rate capability is often limited by the sluggish kinetics of Faradaic reactions or poor electronic and ionic conductivity. Unlike most transition-metal oxides, MoO2 a very promising material for fast storage, attributed its unusually high conductivity; one-dimensional tunnel ideally suited transport. Here we report our findings in preparation characterization...
Two-dimensional MXenes are key high-capacitance electrode materials for micro-supercapacitors (MSCs) catering to integrated microsystems. However, the narrow electrochemical voltage windows of conventional aqueous electrolytes (≤ 1.23 V) and symmetric MXene MSCs (typically ≤ 0.6 substantially limit their output energy density. Highly concentrated exhibit lower water molecule activity, which inhibits splitting consequently widens operating window. Herein, we report ultrahigh-voltage planar...
Planar micro-supercapacitors (MSCs) are one key micropower source for microelectronics. However, the pseudocapacitive regulation strategies of extraordinarily multiplying capacitance and energy density electric double-layer MSCs underdeveloped. Herein, a versatile strategy boosting graphene-based planar by highly concentrated water-in-salt ambipolar redox electrolyte (ZnI2 + ZnCl2) is proposed, which can serve as an mediator to contribute remarkable pseudocapacitance positive negative...
Abstract Bismuth trioxide (BT) is considered a fascinating anode material for hybrid supercapacitors (HSCs) due to its high theoretical capacity, but the low conductivity limits further applications. With this in mind, Ce‐doped Bi 2 O 3 (Ce‐BT) nanoflower spheres were synthesized by facile and rapid microwave‐assisted solvothermal method HSCs materials. It found that morphology of BT could be controlled Ce doping from stacked nanosheets well‐dispersed nanoflowers producing abundant amorphous...