A5007936440- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Advanced Battery Materials and Technologies
- Electrocatalysts for Energy Conversion
- Perovskite Materials and Applications
- Advancements in Battery Materials
- 2D Materials and Applications
- MXene and MAX Phase Materials
- Catalytic Processes in Materials Science
- Ammonia Synthesis and Nitrogen Reduction
- Machine Learning in Materials Science
- nanoparticles nucleation surface interactions
- Extraction and Separation Processes
- Conducting polymers and applications
- Advanced Battery Technologies Research
- CO2 Reduction Techniques and Catalysts
- Graphene research and applications
- Fuel Cells and Related Materials
- Covalent Organic Framework Applications
- Advanced Nanomaterials in Catalysis
- Supercapacitor Materials and Fabrication
- Thermal Expansion and Ionic Conductivity
- Nanomaterials for catalytic reactions
- Electrochemical Analysis and Applications
- Gas Sensing Nanomaterials and Sensors
Hong Kong Polytechnic University
2018-2025
Northwestern Polytechnical University
2025
China University of Geosciences (Beijing)
2024
Tianjin University of Science and Technology
2023
Kowloon Hospital
2019-2021
Abstract The hydrogen evolution in Zn metal battery is accurately quantified by situ battery–gas chromatography–mass analysis. fluxes reach 3.76 mmol h −1 cm −2 a Zn//Zn symmetric cell each segment, and 7.70 Zn//MnO 2 full cell. Then, highly electronically insulating (0.11 mS ) but 2+ ion conductive (80.2 ZnF solid conductor with high transfer number (0.65) constructed to isolate from liquid electrolyte, which not only prohibits over 99.2% parasitic also guides uniform electrodeposition....
Abstract In this study, mechanical vibration is used for hydrogen generation and decomposition of dye molecules, with the help BiFeO 3 (BFO) square nanosheets. A high production rate ≈124.1 μmol g −1 achieved under (100 W) 1 h at resonant frequency BFO The ratio Rhodamine B reaches up to ≈94.1 % after catalyst 50 min. vibration‐induced catalysis nanosheets may be attributed piezocatalytic properties specific surface area uncompensated piezoelectric charges on surfaces induced by result in a...
Abstract Double‐atom catalysts (DACs) have emerged as a novel frontier in heterogeneous catalysis because the synergistic effect between adjacent active sites can promote their catalytic activity while maintaining high atomic utilization efficiency, good selectivity, and stability originating from atomically dispersed nature. In this review, recent progress both experimental theoretical research on DACs for various reactions is focused. Specifically, central tasks design of DACs—manipulating...
A major challenge that prohibits the practical application of single/double-transition metal (3d-M) oxides as oxygen evolution reaction (OER) catalysts is high overpotentials during electrochemical process. Herein, our theoretical calculation shows Fe will be more energetically favorable in tetrahedral site than Ni and Co, which can further regulate their electronic structure binary NiCo spinel for optimal adsorption energies OER intermediates improved conductivity hence boost performance....
We report a straightforward strategy to design efficient N doped porous carbon (NPC) electrocatalyst that has high concentration of easily accessible active sites for the CO2 reduction reaction (CO2 RR). The NPC with large amounts (pyridinic and graphitic N) highly structure is prepared by using an oxygen-rich metal-organic framework (Zn-MOF-74) precursor. amount species can be tuned optimizing calcination temperature time. Owing pore sizes, are well exposed electrolyte RR. exhibits superior...
Abstract Proposed are Prussian blue analogue hosts with ordered and continuous channels, electrocatalytic functionality open Co Fe species, which facilitate maximum I 2 utilization efficiency direct to − conversion kinetics of the reduction reaction, free up 1/3 from 3 . Co[Co 1/4 3/4 (CN) 6 ] exhibits a low energy barrier (0.47 kJ mol −1 ) Tafel slope (76.74 mV dec ). Accordingly, ]/I //Zn battery delivers capacity 236.8 mAh g at 0.1 A rate performance 151.4 achieved even 20 The both high...
A group of bifunctional oxygen evolution/reduction reaction single-atom catalysts supported on C<sub>2</sub>N, is proposed. The origin their high catalytic activity elucidated by density functional theory calculations and machine learning modelling.
One of the major obstacles hindering application zinc metal batteries is contradictory demands from Zn anode and cathodes. At side, water induces serious corrosion dendrite growth, remarkably suppressing reversibility plating/stripping. cathode essential because many materials require both H+ Zn2+ insertion/extraction to achieve a high capacity long lifespan. Herein, an asymmetric design inorganic solid-state electrolyte combined with hydrogel presented simultaneously meet as-mentioned...
The conventional H 2 O network is linked by hydrogen bonds. After adding IU molecules, the bond broken strong interaction between and water.
Abstract Although oxygen vacancies (Ovs) have been intensively studied in single semiconductor photocatalysts, exploration of intrinsic mechanisms and in‐depth understanding Ovs S‐scheme heterojunction photocatalysts are still limited. Herein, a novel photocatalyst made from WO 3 ‐Ov/In 2 S with at the heterointerface is rationally designed. The microscopic environment local electronic structure well optimized by Ovs. Femtosecond transient absorption spectroscopy (fs‐TAS) reveals that...
Abstract Organic additives with high‐reduction potentials are generally applied in aqueous electrolytes to stabilize the Zn anode, while compromise safety and environmental compatibility. Highly concentrated water‐in‐salt have been proposed realize high reversibility of plating/stripping; however, their cost viscosity hinder practical applications. Therefore, exploring low‐concentration salts, that can be used directly anodes, is primary importance. Herein, we developed an asymmetric anion...
Two-dimensional (2D) transition-metal carbides (MXenes) as electrode materials have attracted much attention because of their excellent energy storage properties and electrical conductivity. In this work, we study the V3C2 MXene anode for metal-ion (Li, Na, K, Ca) batteries by means density functional theory computations. Based on our calculated results, exhibits such structural stability, good conductivity, fast charge–discharge rates, high theoretical capacity. particular, owing to its low...
Abstract In this study, mechanical vibration is used for hydrogen generation and decomposition of dye molecules, with the help BiFeO 3 (BFO) square nanosheets. A high production rate ≈124.1 μmol g −1 achieved under (100 W) 1 h at resonant frequency BFO The ratio Rhodamine B reaches up to ≈94.1 % after catalyst 50 min. vibration‐induced catalysis nanosheets may be attributed piezocatalytic properties specific surface area uncompensated piezoelectric charges on surfaces induced by result in a...
The electronic structure of NiFe layered double hydroxide was engineered by valence control and intermediate stabilization for enhanced catalytic activity.
The modulation effect of surface terminating groups nitride MXenes on the thermodynamic and kinetic suppression polysulfide shuttling is studied by theoretical calculations.
Abstract Batteries usually deliver mass loading‐dependent electrochemical performance. Taking the selenium cathode as an example, Se reaction kinetics, utilization, and cycling lifespan seriously deteriorate with increased loading. Here, electrocatalytic reduction/oxidation strategy to realize high‐Se‐loading Zn||Se batteries fast kinetics high utilization is proposed. Specifically, synergetic effects of Cu Co transition‐metal species inside channel structure host can effectively immobilize...
Abstract The electrocatalytic nitrogen reduction reaction (NRR) has been one of the most intriguing catalytic reactions in recent years, providing an energy-saving and environmentally friendly alternative to conventional Haber–Bosch process for ammonia production. However, activity selectivity issues originating from activation barrier NRR intermediates competing hydrogen evolution result unsatisfactory NH 3 yield rate Faradaic efficiency current catalysts. Atomic site catalysts (ASCs),...
Two-dimensional (2D) materials are long considered as potential candidates for photocatalytic water splitting, but their applications limited by high electron–hole recombination probability, low solar-to-hydrogen (STH) efficiencies, or "catalyst poisoning" issues. Herein, we propose an "edge/basal plane half-reaction separation" mechanism of 2D photocatalysts splitting with superior efficiency. As a proof-of-concept, design group stable and potentially exfoliable rhodium chalcogenide halide...
Although rechargeable aqueous zinc batteries are cost effectiveness, intrinsicly safe, and high activity, they also known for bringing rampant hydrogen evolution reaction corrosion. While eutectic electrolytes can effectively eliminate these issues, its viscosity severely reduces the mobility of Zn
We developed an aqueous electrochemical Zn‖NO 2 cell, which can efficiently capture NO , then convert it to − and eventually value-added NH 3 while simultaneously producing electric power.
Abstract High energy density and intrinsic safety are the central pursuits in developing rechargeable Zinc‐ion batteries (ZIBs). The capacity stability of nickel cobalt oxide (NCO) cathode unsatisfactory because its semiconductor character. Herein, we propose a built‐in electric field (BEF) approach by synergizing cationic vacancies ferroelectric spontaneous polarization on side to facilitate electron adsorption suppress zinc dendrite growth anode side. Concretely, NCO with was constructed...
Though massive efforts have been devoted to exploring Br-based batteries, the highly soluble Br2 /Br3- species causing rigorous "shuttle effect", leads severe self-discharge and low Coulombic efficiency. Conventionally, quaternary ammonium salts such as methyl ethyl morpholinium bromide (MEMBr) tetrapropylammonium (TPABr) are used fix Br3- , but they occupy mass volume of battery without capacity contribution. Here, we report an all-active solid interhalogen compound, IBr, a cathode address...