A5033136699- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Conducting polymers and applications
- Speech Recognition and Synthesis
- Electrocatalysts for Energy Conversion
- MXene and MAX Phase Materials
- Natural Language Processing Techniques
- Microgrid Control and Optimization
- Crystallization and Solubility Studies
- Advanced Sensor and Energy Harvesting Materials
- Topic Modeling
- X-ray Diffraction in Crystallography
- Multimodal Machine Learning Applications
- HVDC Systems and Fault Protection
- Advanced DC-DC Converters
- Thermal Expansion and Ionic Conductivity
- Islanding Detection in Power Systems
- Asymmetric Hydrogenation and Catalysis
- Speech and dialogue systems
- Asymmetric Synthesis and Catalysis
- Synthetic Organic Chemistry Methods
- Smart Materials for Construction
Sun Yat-sen University
2022-2025
Sungkyunkwan University
2020-2023
Samsung (South Korea)
2021-2023
University of Cambridge
2018-2021
Lanzhou Institute of Chemical Physics
2017-2020
Chinese Academy of Sciences
2018-2020
University of Chinese Academy of Sciences
2018-2020
State Key Laboratory of Solid Lubrication
2018-2019
Lanzhou City University
2018-2019
Soochow University
2018
An “acetonitrile/water in salt” electrolyte with non-flammability, high conductivity, a stability window and wide applicable temperature range enables high-performance supercapacitors.
With the advantages including wide ESW, superior conductivity, low viscosity and cost, NaClO<sub>4</sub>-based WIS electrolyte can be considered as a promising candidate for high-voltage high-rate aqueous carbon based SCs with good safety.
Two-dimensional (2D) Ti3C2 MXene has attracted great attention in electrochemical energy storage devices (supercapacitors and lithium-ion sodium-ion batteries) due to its excellent electrical conductivity as well high volumetric capacity. Nevertheless, a previous study showed that multivalent Mg2+ ions cannot reversibly insert into MXene, resulting negligible Here, we demonstrate simple strategy achieve magnesium capability for by preintercalating cationic surfactant, cetyltrimethylammonium...
Abstract Water‐in‐salt electrolytes (WISEs) have attracted widespread attention due to their non‐flammability, environmental friendliness, and wider electrochemical stability window than conventional dilute aqueous electrolytes. When applied in the energy storage (EES) devices, WISEs can offer many advantages such as high‐level safety, manufacturing efficiency, well as, superior performances. Therefore, there is an urgent need for a timely comprehensive summary of EES applications. In this...
Supercapacitors based on carbon materials have advantages such as high power density, fast charging/discharging capability, and long lifetime stability, playing a vital role in the field of electrochemical energy storage technologies. To further expand practical applications carbon‐based supercapacitors, their which is essentially determined by specific capacitance operating voltage, should be improved. This review provides fundamental knowledge achieving density supercapacitors. We first...
Abstract Although layered double hydroxides (LDHs) are extensively investigated for oxygen electrocatalysis, their development is hampered by limited active sites and sluggish reaction kinetics. Here, sulfur mismatch substitution of NiFe–LDH (S–LDH) demonstrated, which in‐situ deposited on nitrogen‐doped graphene (S–LDH/NG). This atomic‐level incorporation leads to the construction tailored topological microstructure modulated electronic structure improved catalytic activity durability...
Abstract “Water‐in‐salt” (WIS) electrolytes with wide electrochemical stability windows (ESWs) have made a breakthrough in energy density of aqueous batteries and supercapacitors (SCs), but the sluggish ion diffusion limits their widespread application. Although WIS can be improved by addition organic co‐solvents, effects types amounts added solvents on physicochemical properties hybrid are not clear. Here, conductivity, ESW, flammability series prepared adding different to typical lithium...
Abstract 2D ion‐intercalated metal oxides are emerging promising new electrodes for supercapacitors because of their unique layered structure as well distinctive electronic properties. To facilitate application, fundamental study the charge storage mechanism is required. Herein, it demonstrated that application in situ Raman spectroscopy and electrochemical quartz crystal microbalance with dissipation monitoring (EQCM‐D), provides a sufficient basis to elucidate typical cation‐intercalated...
Supercapacitors based on activated carbon electrodes and ionic liquids as electrolytes are capable of storing charge through the electrosorption ions porous carbons represent important energy storage devices with high power delivery/uptake. Various computational instrumental methods have been developed to understand ion behavior, however, techniques that can probe various cations anions separately remain lacking. Here, we report an approach monitoring independently by using silica...
Abstract Precise control of the local electronic structure and properties electrocatalysts is important for enhancing multifunctionality durability correlating structure/chemistry with catalytic properties. Herein, we report electronically coupled metallic hybrids NiFe layered double hydroxide nanosheet/Ti 3 C 2 MXene quantum dots deposited on a nitrogen‐doped graphene surface (LDH/MQD/NG) high‐performance flexible Zn–air batteries (ZABs). As verified from Mott–Schottky Nyquist plots, as...
Herein, we identify the unique trifunctional active sites of ReS2 and NiFe layered double hydroxide (NiFe-LDH) heteronanosheets (ReS2/NiFe-LDH) for integrated cascade Zn–air battery/electrolyzer systems. Along with edge surface NiFe-LDH both oxygen evolution reaction reduction activities, unprecedented activity ReS2/NiFe-LDH hydrogen emerges from S–O bonds at heterointerfaces, together strong coupling effect vertical alignment ReS2. The outstanding activities a well understood mechanism...
Interface modification is considered as a straightforward strategy to regulate the electrochemical environment of metal anodes and provide physically protective interphase. Herein, we develop galvanically replaced artificial interfacial layers, where Sn, Sb, Bi layers are uniformly grown on Zn anodes, for use in high-performance aqueous rechargeable zinc batteries. The corrosion dendrite formation inhibited by manipulating uniform deposition behavior facile plating/stripping, verified...
Weak Al 3+ –solvent interactions and facile desolvation for ultralong stability of Zn–Al alloy anodes.
High-density ordered porous graphene is used as the iodine host material and ethylene glycol added to electrolyte inhibit polyiodide shuttle, so high volumetric energy long cycling life are achieved for Zn–I 2 batteries.
Abstract Hybrid potassium‐ion capacitors (PICs) and potassium dual‐ion batteries (PDIBs) represent two types of potassium‐based electrochemical energy storage devices. Their differences in the microstructure carbon cathodes enable PICs PDIBs to possess high power density, respectively. Herein, a hybrid device integrating PIC PDIB, called as capacitor‐battery (DICB), is designed by modifying cathode, simultaneously acquire density. By utilizing cathode combining highly‐disordered...
Zinc-ion batteries (ZIBs) are being explored as a potential alternative to lithium-ion owing the growing demand for safer, more sustainable, cost-effective energy storage technologies. In such systems, electrolytes, one of key components, have decisive impact on their electrochemical performance. However, Zn anodes in traditional aqueous electrolytes exhibit drawbacks severe hydrogen evolution reactions, corrosion and passivation especially at high temperatures, leading poor cycling...
A “water-in-salt” gel electrolyte with superior water-retention capability enables aqueous flexible supercapacitors to operate at high temperature up 120 °C.
ConspectusSupercapacitors (SCs) are electrochemical energy storage devices that can fill the gap between batteries and electrolytic capacitors. However, widespread applications of commercialized carbon-based SCs limited by their density, arising from physical charge mechanism, which is far lower than batteries. Moreover, high-powered also kinetics, slower those capacitor due to diffusion distribution ions onto tortuous porous surface. Therefore, power performance need be improved open or...