A5080790443- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- MXene and MAX Phase Materials
- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Advanced battery technologies research
- Advanced Battery Technologies Research
- Graphene research and applications
- Surfactants and Colloidal Systems
- Covalent Organic Framework Applications
- Advanced Polymer Synthesis and Characterization
- Gas Sensing Nanomaterials and Sensors
- Chemical and Physical Properties in Aqueous Solutions
- Ionic liquids properties and applications
- Polyoxometalates: Synthesis and Applications
- Polymer Surface Interaction Studies
- Grouting, Rheology, and Soil Mechanics
- Luminescence and Fluorescent Materials
- Supramolecular Chemistry and Complexes
- Concrete Corrosion and Durability
- Granular flow and fluidized beds
- Geotechnical Engineering and Soil Stabilization
- Electromagnetic wave absorption materials
- Chemical Synthesis and Characterization
Dalian Institute of Chemical Physics
2017-2025
Chinese Academy of Sciences
2017-2025
Henan Agricultural University
2021-2025
North China University of Technology
2023-2024
Dalian National Laboratory for Clean Energy
2017-2021
University of Chinese Academy of Sciences
2017-2021
Dalian University
2018-2021
University of Science and Technology of China
2020
Hong Kong Polytechnic University
2018
China Institute of Daily Chemical Industry
2015-2016
Sodium and potassium ion batteries hold promise for next-generation energy storage systems due to their rich abundance low cost, but are facing great challenges in optimum electrode materials actual applications. Here, ultrathin nanoribbons of sodium titanate (M-NTO, NaTi1.5O8.3) (M-KTO, K2Ti4O9) were successfully synthesized by a simultaneous oxidation alkalization process Ti3C2 MXene. Benefiting from the suitable interlayer spacing (0.90 nm M-NTO, 0.93 M-KTO), thickness (<11 nm), narrow...
High-energy-density lithium-sulfur (Li-S) batteries hold promise for next-generation portable electronic devices, but are facing great challenges in rational construction of high-performance flexible electrodes and innovative cell configurations actual applications. Here we demonstrated an all-MXene-based integrated sulfur cathode, enabled by three-dimensional alkalized Ti3C2 MXene nanoribbon (a-Ti3C2 MNR) frameworks as a S/polysulfides host (a-Ti3C2-S) two-dimensional delaminated (d-Ti3C2)...
Abstract Graphene and graphene oxide (GO), as wonder materials, have penetrated nearly every field of research. One their most attractive features is the functionality assembly or GO, in which they can be considered to chemically functionalized building blocks for creating unconventional porous materials (PGMs) that not only combine merits both graphene, but also major advantages over other carbons specific applications. The chemistry approaches functionalizing GO are first introduced,...
Heteroatom doping of nanocarbon films can efficiently boost the pseudocapacitance micro-supercapacitors (MSCs); however, wafer-scale fabrication sulfur-doped graphene with a tailored thickness and homogeneous for MSCs remains great challenge. Here we demonstrate bottom-up continuous, uniform, ultrathin (SG) films, derived from peripherical trisulfur-annulated hexa-peri-hexabenzocoronene (SHBC), ultrahigh-rate (SG-MSCs) landmark volumetric capacitance. The SG film was prepared by thermal...
Scalable production of high-quality heteroatom-modified graphene is critical for microscale supercapacitors but remains a great challenge. Herein, we demonstrate scalable, single-step electrochemical exfoliation graphite into highly solution-processable fluorine-modified (FG), achieved in an aqueous fluorine-containing neutral electrolyte, flexible and high-energy-density ionogel-based microsupercapacitors (FG-MSCs). The electrochemically exfoliated FG nanosheets are characterized by atomic...
Abstract The rapid development of printed and microscale electronics imminently requires compatible micro-batteries (MBs) with high performance, applicable scalability, exceptional safety, but faces great challenges from the ever-reported stacked geometry. Herein first planar prototype aqueous-based, high-safety Zn//MnO2 MBs, outstanding aesthetic diversity, flexibility modularization, is demonstrated, based on interdigital patterns Zn ink as anode MnO2 cathode, high-conducting graphene a...
Abstract Planar integrated systems of micro‐supercapacitors (MSCs) and sensors are profound importance for 3C electronics, but usually appear poor in compatibility due to the complex connections device units with multiple mono‐functional materials. Herein, 2D hierarchical ordered dual‐mesoporous polypyrrole/graphene (DM‐PG) nanosheets developed as bi‐functional active materials a novel prototype planar system MSC NH 3 sensor. Owing effective coupling conductive graphene high‐sensitive...
Abstract High‐efficiency lithium–sulfur (Li–S) batteries depend on an advanced electrode structure that can attain high sulfur utilization at lean‐electrolyte conditions and minimum amount of lithium. Herein, a twinborn holey Nb 4 N 5 –Nb 2 O heterostructure is designed as dual‐functional host for both redox–kinetics–accelerated cathode dendrite‐inhibited lithium anode simultaneously long‐cycling Li–S full batteries. Benefiting from the accelerative polysulfides...
Abstract Sodium metal batteries are considered one of the most promising low-cost high-energy-density electrochemical energy storage systems. However, growth unfavourable Na deposition and limited cell cycle life hamper application this battery system at a large scale. Here, we propose use polypropylene separator coated with composite material comprising polydopamine multilayer graphene to tackle these issues. The oxygen- nitrogen- containing moieties as well nano- meso- porous network...
Three-dimensional (3D) printing technology with enhanced fidelity can achieve multiple functionalities and boost electrochemical performance of customizable planar micro-supercapacitors (MSCs), however, precise structural control additive-free graphene-based macro-assembly electrode for monolithic integrated MSCs (MIMSCs) remains challenging. Here, the large-scale 3D fabrication MIMSCs is reported utilizing additive-free, high-quality electrochemically exfoliated graphene inks, which not...
Planar Na ion micro-supercapacitors (NIMSCs) that offer both high energy density and power are deemed to a promising class of miniaturized sources for wearable portable microelectronics. Nevertheless, the development NIMSCs hugely impeded by low capacity sluggish kinetics in negative electrode. Herein, we demonstrate novel carbon-coated Nb2O5 microflower with hierarchical structure composed vertically intercrossed porous nanosheets, boosting storage performance. The unique structural merits,...
Printable supercapacitors are regarded as a promising class of microscale power source, but facing challenges derived from conventional sandwich-like geometry. Herein, the printable fabrication new-type planar graphene-based linear tandem micro-supercapacitors (LTMSs) on diverse substrates with symmetric and asymmetric configuration, high-voltage output, tailored capacitance, outstanding flexibility is demonstrated. The resulting LTMSs consisting 10 (MSs) present efficient output 8.0 V,...
Guiding the lithium ion (Li-ion) transport for homogeneous, dispersive distribution is crucial dendrite-free Li anodes with high current density and long-term cyclability, but remains challenging unavailable well-designed nanostructures. Herein, we propose a two-dimensional (2D) heterostructure composed of defective graphene oxide (GO) clipped on mesoporous polypyrrole (mPPy) as dual-functional Li-ion redistributor to regulate stepwise deposition extremely stable, anodes. Owing synergy...
Sodium ion micro-batteries with a 3D sodium diffusion mechanism exhibit ultrahigh rate capability in new NaBF<sub>4</sub>-based ionogel electrolyte.
Abstract Free‐standing 2D porous nanomaterials have attracted considerable interest as ideal candidates of film electrodes for planar energy storage devices. Nevertheless, the construction well‐defined mesopore arrays parallel to lateral surface, which facilitate fast in‐plane ionic diffusion, is a challenge. Now, universal interface self‐assembly strategy used patterning polymers, example, polypyrrole, polyaniline, and polydopamine, with cylindrical mesopores on graphene nanosheets. The...
2D holey Co<sub>4</sub>S<sub>3</sub> nanosheets with enhanced ion diffusion and structural integrity are synthesized for high-rate long-life sodium batteries.
Abstract Planar micro-supercapacitors are recognized as one of the most competitive on-chip power sources for integrated electronics. However, reported symmetric suffer from low energy density. Herein, we demonstrate facile mask-assisted fabrication new-type all-solid-state planar hybrid with high density, based on interdigital patterned films porous vanadium nitride nanosheets negative electrode and Co(OH) 2 nanoflowers positive electrode. The resultant display areal capacitance 21 mF cm −2...
A lithium-ion battery-supercapacitor hybrid device with a rocking-chair mechanism is constructed and exhibits high energy power densities by virtue of double matching capacity kinetics between the two faradaic electrodes.
Abstract To cate for the rapid development of flexible, wearable and implantable microelectronics, miniaturized integrated energy storage devices with mechanically robust properties, high voltage, highly compatible integration are in extreme demand. Here, potassium ion micro‐supercapacitors (KIMSCs) rationally designed by applying MXene‐derived titanate (KTO) nanorods anode porous activated graphene (AG) cathode to power sensitively pressure sensing system. Benefiting from advanced...
In article number 1909035, Zhong-Shuai Wu, Hui-Ming Cheng, and co-workers review the state-of-the-art advances of chemistry graphene porous materials, summarize their promising applications such as supercapacitors, batteries, electrocatalysis, molecular separation.
The nanosize effect in nanostructured electrode materials is significant for boosting rate performance; however, it brings about low capacity, Coulombic efficiency, and poor stability. In this work, 2D atomically thin (001)-oriented single-crystalline LCO (SC-LCO) nanosheets with longer Li+ intercalation distance a surface dominated (001) planes are constructed to regulate the effect. SC-LCO not only owns large plateau region capacity even at high (194 mAh g–1 1C 111 50C) but also realizes...
Abstract High‐concentration electrolyte effectively improves the energy density and anti‐freezing property of aqueous micro‐supercapacitors (MSCs), endowing them opportunity serving as power sources for miniaturized electronics. However, excessive usage salt significantly increases cost electrolyte. Herein, a cost‐effective moderate‐concentration hybrid is designed by introducing CaCl 2 ethylene glycerol (EG) additives low‐temperature high‐voltage MSCs. The results manifest that introduction...