A5101707966- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- Advanced Battery Technologies Research
- Perovskite Materials and Applications
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Metal-Organic Frameworks: Synthesis and Applications
- Extraction and Separation Processes
- Gas Sensing Nanomaterials and Sensors
- Copper-based nanomaterials and applications
- Electrocatalysts for Energy Conversion
- Advanced Nanomaterials in Catalysis
- TiO2 Photocatalysis and Solar Cells
- Enhanced Oil Recovery Techniques
- MXene and MAX Phase Materials
- Quantum Dots Synthesis And Properties
- Covalent Organic Framework Applications
- Transition Metal Oxide Nanomaterials
University of Shanghai for Science and Technology
2022-2024
National University of Singapore
2017-2022
Suzhou Research Institute
2017-2021
Shanghai Normal University
2015-2020
Ningxia University
2020
Abstract Photocatalytic hydrogen peroxide (H 2 O ) generation represents a promising approach for artificial photosynthesis. However, the sluggish half-reaction of water oxidation significantly limits efficiency H generation. Here, benzylamine with more favorable thermodynamics is employed as to couple in by using defective zirconium trisulfide (ZrS 3 nanobelts photocatalyst. The ZrS disulfide (S 2− and sulfide anion vacancies exhibit an excellent photocatalytic performance simultaneous...
Abstract A microwave‐induced metal dissolution strategy is developed for in situ synthesis of copper nanowires/ZnS (CuNWs/ZnS) hybrids with core–shell structure. The CuNWs are used as microwave antennas to create local “super‐hot” surfaces further initiate ZnS crystallization full coverage on CuNWs. With the help S 2− , hot surface results promoted Cu + diffusion and incorporation into lattice. narrowed bandgap strongly coupled interface between created by microwaves, as‐prepared hybrid...
Abstract Developing a titanium dioxide (TiO 2 )‐based anode with superior high‐rate capability and long‐term cycling stability is important for efficient energy storage. Herein, simple one‐step approach fabricating blue TiO nanoparticles oxygen vacancies reported. Oxygen can enlarge lattice spaces, lower charge transfer resistance, provide more active sites in lattices. As result, this electrode exhibits highly reversible capacity of 50 mAh g −1 at 100 C (16 800 mA ) even after 10 000...
Rh nanostructures composed of nanosheets embedded with nanodomains adopt vacated Barlow packing ordered vacancies.
Facet-engineered monoclinic WO 3 was investigated to explore the effects on photo-assisted LOB kinetics and discharge mechanism. This work can pave way for rational photocathode design in metal–O 2 batteries.
Abstract Semiconductor photocatalytic technology holds promise in efficiently reducing low concentrations of gaseous nitric oxide (NO). However, the suboptimal selectivity NO removal, leading to undesired production 2 byproducts, poses a challenge. In this study, defective CdS/Na Ti 3 O 7 heterostructure is rationally designed with strong electronic interaction and intimate interface contact for promoting charge transfer kinetics. This design refines reactive oxygen species (ROS) generation,...
In the present work, highly efficient and stable Au/CeO2–TiO2 photocatalysts were prepared by a microwave-assisted solution approach. The composites with optimal molar ratio of Au/Ce/Ti 0.004:0.1:1 delivered remarkably high NO conversion rate 85% in continuous flow reactor system under simulated solar light irradiation, which far exceeded 48% over pure TiO2. tiny Au nanocrystals (∼1.1 nm) well stabilized CeO2 via strong metal–support bonding even it was subjected to calcinations at 550 °C...
In Li–CO2 battery, due to the highly insulating nature of discharge product Li2CO3, battery needs be charged at a high charge overpotential, leading severe cathode and electrolyte instability hence poor cycle performance. Developing efficient catalysts effectively reduce overpotential represents one key challenges realize practical batteries. Here, we report use monodispersed Ru nanoparticles functionalized graphene nanosheets as in significantly lower for electrochemical decomposition...
Most photoelectrocatalytic (PEC) reactions are performed in the liquid phase for convenient electron transfer an electrolyte solution. Herein, a novel PEC reactor involving tandem combination of TiO2 nanorod array/fluorine-doped tin oxide (TiO2-NR/FTO) working electrodes and electrochemical auxiliary cell was constructed to drive highly efficient oxidation indoor gas (NOx). With aid low bias voltage (0.3 V), as-formed exhibited 80% removal rate oxidizing NO (500 ppb) under light irradiation,...
CNTs-threaded (001) exposed TiO<sub>2</sub> provides a high percentage of active facets and direct electron highway to largely enhance solar NO oxidation.
Lithium–oxygen batteries with ultrahigh energy densities have drawn considerable attention as next-generation storage devices. However, their practical applications are challenged by sluggish reaction kinetics aimed at the formation/decomposition of discharge products on battery cathodes. Developing effective catalysts and understanding fundamental catalytic mechanism vital to improve electrochemical performance lithium–oxygen batteries. Here, uniformly dispersed ruthenium nanoparticles...
Abstract Li–O 2 batteries, possessing the highest theoretical specific energy density among all known Li‐ion‐based demonstrate great potential as storage devices for powering electric vehicles. However, their battery performance is significantly limited by insulating nature of discharge product Li O , which has a wide bandgap (4–5 eV), resulting in high charge overpotential. Defect engineering emerges very promising strategy to improve electrical conductivity and hence reduce The aim this...
Abstract Aprotic Li‐O 2 batteries (LOB) with high theoretical energy density usually experience cathode clogging by insoluble Li O , along charge overpotential from its insulating nature. A dibenzo‐24‐crown‐8 aldehyde derivative (DB24C8A) is employed as an additive to enhance the binding strength + hence promoting solubility of . The generated [DB24C8A•Li ] avoids parasitic reactions caused reactive − Thus, LOB achieves a large discharge capacity 6939 mAh g −1 at 200 mA and yield (≈93%)....
Co<sub>3</sub>O<sub>4</sub> surface functionalized porous carbon nanotubes were designed as an efficient cathode catalyst for Li–O<sub>2</sub> batteries, with p-CNT to facilitate Li<sup>+</sup> and O<sub>2</sub> diffusion, achieve a low charge overpotential.
Abstract The contamination of nitric oxide presents a significant environmental challenge, necessitating the development efficient photocatalysts for remediation. Conventional heterojunctions encounter obstacles such as large contact barriers, sluggish charge transport, and compromised redox capacity. Here, we introduce an innovative S‐type heterostructure photocatalyst, UiO‐66‐NH 2 /ZnS(en) 0.5 , designed specifically to overcome these challenges. synthesis, employing unique microwave...
Abstract The aprotic lithium‐oxygen (Li−O 2 ) battery with a high theoretical energy density has been considered as promising candidate for next‐generation storage devices. However, the formation of insulating Li O products is major obstacle realizing efficiency and long cycle life. Here, we report new Cl − /Cl 3 redox mediator to reduce charge overpotential by facile introduction chloride ion (Cl additives into organic electrolyte. can effectively promote LiOH discharge product, facilitate...
Superoxide (O2–) species play a crucial role in determining the charge kinetics for aprotic lithium–oxygen (Li–O2) batteries. However, growth of O2–-rich lithium peroxide (Li2O2) is challenging since O2– thermodynamically unfavorable and unstable an O2 atmosphere. Herein, we reported synthesis defective Li2O2 with tunable via K+ doping. The dopants can successfully stabilize induce coordination Li+ O2–, leading to increased Li vacancies. Compared pristine Li2O2, as-prepared be charged at...
Lithium polysulfide is added to the solvent realize ultralow charge overpotential for high-performance Li–O<sub>2</sub> batteries, where discharge products of Li<sub>2</sub>O<sub>2</sub> have been replaced with lithium thiosulfate.