A5089098780- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Advancements in Battery Materials
- Covalent Organic Framework Applications
- Advanced Battery Materials and Technologies
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Metal-Organic Frameworks: Synthesis and Applications
- Catalytic Processes in Materials Science
- Conducting polymers and applications
- Ammonia Synthesis and Nitrogen Reduction
- Nanomaterials for catalytic reactions
- Perovskite Materials and Applications
- 2D Materials and Applications
- Graphene research and applications
- MXene and MAX Phase Materials
- Luminescence and Fluorescent Materials
- Remote Sensing and Land Use
- Advanced Sensor and Energy Harvesting Materials
- Asymmetric Hydrogenation and Catalysis
- Advanced Battery Technologies Research
- Acupuncture Treatment Research Studies
- Innovative Microfluidic and Catalytic Techniques Innovation
Chinese University of Hong Kong, Shenzhen
2023-2025
National University of Singapore
2016-2025
Sichuan University
2019-2025
Chinese University of Hong Kong
2025
North University of China
2024-2025
Heilongjiang University of Chinese Medicine
2024
Southern University of Science and Technology
2024
First Affiliated Hospital of Bengbu Medical College
2020-2024
South China University of Technology
2021
State Key Laboratory of Oral Diseases
2020
Porous carbon electrodes have emerged as important cathode materials for metal-air battery systems. However, most approaches fabricating porous from biomass are highly energy inefficient they require the breaking down of and its subsequent reconstitution into powder-like carbon. Here, enzymes explored to effectively hydrolyze partial cellulose in bulk raw wood form a large number nanopores, which helps maximally expose inner parts sufficiently dope nitrogen onto skeletons during pyrolysis...
As a new member of the MXene group, 2D Mo 2 C has attracted considerable interest due to its potential application as electrodes for energy storage and catalysis. The large‐area synthesis film is needed such applications. Here, one‐step direct C‐on‐graphene by molten copper‐catalyzed chemical vapor deposition (CVD) reported. High‐quality uniform in centimeter range can be grown on graphene using Mo–Cu alloy catalyst. Within vertical heterostructure, acts diffusion barrier phase‐segregated...
Abstract Among van der Waals layered ferromagnets, monolayer vanadium diselenide (VSe 2 ) stands out due to its robust ferromagnetism. However, the exfoliation of VSe is challenging, not least because flake extremely unstable in air. Using an electrochemical approach with organic cations as intercalants, 1T‐VSe flakes are successfully obtained from bulk crystal at high yield. Thiol molecules further introduced onto surface passivate exfoliated flakes, which improves air stability for...
Mechanically stable and foldable air cathodes with exceptional oxygen reduction reaction (ORR) evolution (OER) activities are key components of wearable metal-air batteries. Herein, a directional freeze-casting annealing approach is reported for the construction 3D honeycomb nanostructured, N,P-doped carbon aerogel incorporating in situ grown FeP/Fe2 O3 nanoparticles as cathode flexible Zn-air battery (ZAB). The aqueous rechargeable batteries assembled this exhibit remarkable specific...
Abstract Designing multifunctional catalysts with high activity, stability, and low‐cost for energy storage conversion is a significant challenge. Herein, trifunctional electrocatalyst synthesized by anchoring individually dispersed Co atoms on N S codoped hollow carbon spheres (CoSA/N,S‐HCS), which exhibits outstanding catalytic activity stability the oxygen reduction reaction, evolution hydrogen reaction. When equipped in liquid or flexible solid‐state rechargeable Zn–air batteries,...
Dynamic reconstruction of catalyst active sites is particularly important for metal oxide-catalyzed oxygen evolution reaction (OER). However, the mechanism how vacancy-induced aids OER remains ambiguous. Here, we use Co3O4 with Co or O vacancies to uncover effects different defects in process and motifs relevant alkaline OER. Combining situ characterization theoretical calculations, found that cobalt oxides are converted an amorphous [Co(OH)6] intermediate state, then mismatched rates *OH...
Achieving homogeneous phase transition and uniform charge distribution is essential for good cycle stability high capacity when conversion materials are used as electrodes. Herein, we show that chemical lithiation of bulk 2H-MoS2 distorts its crystalline domains in three primary directions to produce mosaic-like 1T′ nanocrystalline domains, which improve uniformity during subsequent electrochemical conversion. 1T′-LixMoS2, a macroscopic dense material with interconnected nanoscale grains,...
Interface confined reactions, which can modulate the bonding of reactants with catalytic centres and influence rate mass transport from bulk solution, have emerged as a viable strategy for achieving highly stable selective catalysis. Here we demonstrate that 1T'-enriched lithiated molybdenum disulfide is powerful reducing agent, be exploited in-situ reduction metal ions within inner planes to form zero valent metal-intercalated disulfide. The confinement platinum nanoparticles layered...
Developing economical and efficient electrocatalysts with nonprecious metals for the hydrogen evolution reaction (HER), especially in water-alkaline electrolyzers, is pivotal large-scale production. Recently, both density functional theory (DFT) calculations experimental studies have demonstrated that earth-abundant MoS2 a promising HER electrocatalyst acidic solution. However, kinetics of alkaline solution still suffer from high overpotential (90–220 mV at current 10 mA cm–2). Herein, we...
Abstract The propensity of lithium dendrite formation during the charging process metal batteries is linked to inhomogeneity on surface layer. high reactivity and complex structure native layer create “hot spots” for fast dendritic growth. Here, it demonstrated that a fundamental restructuring in form silicide (Li x Si) can effectively eliminate surface. In situ optical microscopic study carried out monitor electrochemical deposition Li Si‐modified electrodes bare electrode. It observed much...
It is difficult to achieve high efficiency production of hydrophobic graphene by liquid phase exfoliation due its poor dispersibility and the tendency sheets undergo π-π stacking. Here, we report a water-phase, non-dispersion method produce highly crystalline flakes, which can be stored in form concentrated slurry (50 mg mL
Controllable synthesis of single atom catalysts (SACs) with high loading remains challenging due to the aggregation tendency metal atoms as surface coverage increases. Here we report graphene supported cobalt SACs (Co1/G) a tuneable by atomic layer deposition. Ozone treatment support not only eliminates undesirable ligands pre-deposited precursors, but also regenerates active sites for precise tuning density Co atoms. The Co1/G demonstrate exceptional activity and selectivity hydrogenation...
Porous materials such as covalent organic frameworks (COFs) are good candidates for molecular sieves due to the chemical diversity of their building blocks, which allows fine-tuning and physical properties by design. Tailored synthesis inherently functional blocks can generate framework with chemoresponsivity, leading controllable functionalities switchable sorption separation. Herein, we demonstrate a chemoselective, salicylideneanilines-based COF (SA-COF), undergoes solvent-triggered...
Lithium-sulfur (Li-S) batteries are strong contenders among lithium due to superior capacity and energy density, but the polysulfide shuttling effect limits cycle life reduces efficiency a voltage gap between charge discharge. Here, we demonstrate that graphene foam impregnated with single-atom catalysts (SACs) can be coated on commercial polypropylene separator catalyze conversion, leading reduced much improved life. Also, Fe/Co/Ni SACs, Fe SACs may better option used in Li-S systems. By...
Solid electrolytes (SEs) are milestones in the technology roadmaps for safe and high energy density batteries. The design of organic SEs is challenged by need to have dynamic structural fluidity ion motion. presence well-ordered one-dimensional (1D) channels stability against phase transition covalent frameworks (COFs) render them potential candidates low-temperature SEs. Herein, we demonstrate two using hydrazone COF as an SE: it achieves conductivity 10–5 S cm–1 at −40 °C with a Li+...
The ability to tune both local and global environments of a single-metal active center on support is crucial for the development highly robust efficient single-atom electrocatalysts (SAECs) that can surmount thermodynamic kinetic constraints in electrocatalysis. Here, we designed core–shell-structured SAEC (Co1-SAC) with superior oxygen reduction reaction (ORR) performance. Co1-SAC consists locally engineered single Co-N3C1 site N-doped microporous amorphous carbon enveloped by globally...
Covalent organic frameworks (COFs) are an emerging class of porous crystalline materials constructed from designer molecular building blocks that linked and extended periodically via covalent bonds. Their high stability, open channels, ease functionalization suggest they can function as a useful cathode material in reversible lithium batteries. Here, COF hydrazone/hydrazide-containing units, which shows good CO2 sequestration properties, is reported. The hybridized to Ru-nanoparticle-coated...
Abstract The ability to precisely engineer the doping of sub-nanometer bimetallic clusters offers exciting opportunities for tailoring their catalytic performance with atomic accuracy. However, fabrication singly dispersed cluster catalysts atomic-level control dopants has been a long-standing challenge. Herein, we report strategy controllable synthesis doped single catalyst consisting partially ligand-enveloped Au 4 Pt 2 supported on defective graphene. This creates bimetal (Au /G)...
Electrochemical synthesis of ammonia via the nitrate reduction reaction (NO3RR) has been intensively researched as an alternative to traditional Haber–Bosch process. Most research focuses on low concentration range representative level in wastewater, leaving high range, which exists nuclear and fertilizer wastes, unexplored. The use a concentrated electrolyte (≥1 M) for higher rate production is hampered by poor hydrogen transfer kinetics. Herein, we demonstrate that cocatalytic system...
A common challenge for electrochemical ammonia synthesis in an aqueous phase is the consumption of Faradaic charge by competing hydrogen evolution reaction (HER), which reduces efficiency desired conversion, i.e., nitrate reduction (NO3RR) to ammonium. This problem particularly severe when a single-phase catalyst operated at high current limits, thus cocatalyst system that works synergistically acquisition and deoxygenation needed promote NO3RR over HER. Herein, we select well-known HER Mo2C...
Single-atom catalysts (SACs) show great potential for rechargeable Zn-air batteries (ZABs); however, scalable production of SACs from sustainable resources is difficult owing to poor control the local coordination environment. Herein, lignosulfonate, a by-product papermaking industry, utilized as multifunctional bioligand mass with highly active MN4 S sites (M represents Fe, Cu, and Co) via strong metalnitrogen/sulfur coordination. This effectively adjusts charge distribution promotes...
To realize the practical application of lithium-sulfur (Li-S) batteries, there is a need to inhibit uncontrolled Li deposition by facilitating Li-ion migration, and suppress irreversible consumption cathodes preventing polysulfide shuttling. However, permselective artifical membrane or interlayer which features fast ion transport but low crossover elusive. Here, we report design synthesis fluorinated covalent organic framework (4F-COF)-based with high permselectivity increased battery...
Abstract The chainmail catalyst by encapsulating an active species within the carbon support is a well‐established concept to endorse extraordinary stability for catalytic reactions under harsh conditions. Conventional catalysts inevitably suffer from poor accessibility sites, leading extra voltage compensate sluggish diffusion kinetics in electrocatalysis. Herein, naturally abundant wood material converted into monolithic electrocatalyst cobalt nanoparticles N‐doped carbonized wood. Such...
Solar-driven reduction of CO2 to valuable carbon products is an attractive pathway for energy production. The photoreduction efficiency determined by the mass transfer and charge carrier recombination efficiency. Herein, we propose a Bi2WO6–C3N4 heterojunction with hydrophobic–hydrophilic diphase promote separation. amphipathic achieved high-efficiency photocatalytic conversion into CO CH4 in H2O vapor, yielding up 25.54 7.69 μmol h–1 g–1 CH4, respectively. well-designed increased...