A5071559670- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Graphene research and applications
- Molecular Spectroscopy and Structure
- Perovskite Materials and Applications
- Advanced Chemical Physics Studies
- Supercapacitor Materials and Fabrication
- Quantum Dots Synthesis And Properties
- Crystallography and molecular interactions
- Atmospheric Ozone and Climate
- Surface Chemistry and Catalysis
- Advanced Photocatalysis Techniques
- Tribology and Lubrication Engineering
- Surface and Thin Film Phenomena
- Molecular Junctions and Nanostructures
- GaN-based semiconductor devices and materials
- Solid-state spectroscopy and crystallography
- ZnO doping and properties
- CO2 Reduction Techniques and Catalysts
- Astrophysics and Star Formation Studies
- Offshore Engineering and Technologies
- Covalent Organic Framework Applications
National University of Singapore
2022-2025
China Academy Of Machinery Science & Technology (China)
2025
Dalhousie University
2021-2024
Tianjin University
2022-2024
University of Science and Technology of China
2022-2024
University of Bologna
2021-2024
Zhejiang University
2010-2023
Westlake University
2021-2023
Okinawa Institute of Science and Technology Graduate University
2019-2022
Suzhou Institute of Nano-tech and Nano-bionics
2020-2022
Key insights into the evolution of lithium-ion batteries: present, future, and hybridized technologies.
We present the synthesis of a two-dimensional polymer at air/water interface and its nm-resolution imaging. Trigonal star, amphiphilic monomers bearing three anthraceno groups on central triptycene core are confined interface. Compression followed by photopolymerization provides polymer. Analysis scanning tunneling microscopy suggests that is periodic with ultrahigh pore density.
The ability to create perovskite-based heterostructures with desirable charge transfer characteristics represents an important endeavor render a set of perovskite materials and devices tunable optoelectronic properties. However, due similar material selection band alignment in type-II Z-scheme heterostructures, it remains challenging obtain favorable electron pathway for photocatalysis. Herein, we report robust tailoring effective via transformation highly efficient selective photocatalytic...
This review focuses on halide perovskite quantum dots (QDs) for photocatalytic CO 2 reduction, discussing the structures and properties of QDs, mechanism photocatalyst design, challenges directions future research.
Abstract We demonstrate here that supramolecular interactions enhance the sensitivity towards detection of electron‐deficient nitro‐aromatic compounds (NACs) over discrete analogues. NACs are most commonly used explosive ingredients and common constituents many unexploded landmines during World War II. In this study, we have synthesised a series pyrene‐based polycarboxylic acids along with their corresponding esters. Due to electron richness fluorescent behaviour pyrene moiety, all act as...
Cs<sub>2</sub>AgBiBr<sub>6</sub>single crystal photodetectors using Ag electrodes under different wavelength at room condition showed the excellent photo-response with Ohmic-contact among (Au, and Al).
Inorganic perovskite materials have demonstrated outstanding performance in the field of photovoltaic devices due to their superior charge carrier transport properties and excellent thermal stability. In particular, inorganic derivative phases show special terms phase stability optoelectronic application, especially transition investigation. However, commercial applications still face challenges large recombination at interface, resulting poor efficiency metastable such as iodide existing...
The most severe problems for adoption of LiMn2O4 (LMO) as a low-cost and sustainable cathode in lithium-ion batteries are manganese dissolution structural degradation, especially at an elevated temperature. Developing large single crystals (SCs) LMO could be feasible solution since it significantly reduces electrode/electrolyte interfaces where degradation can occur, while exceptionally high ionic diffusivity its spinel structure guarantee decent kinetics. In this work, we discovered unique...
Highly ordered arrays of antimony nanowires have been fabricated reproducibly by pulsed electrodeposition in anodic alumina membranes. The are shown to be single crystalline, metallic, and a diameter 40 nm. field emission microscopy image (see Figure) shows the degree filling template variation height nanowires.
The driving force for self-assembly is the associated gain in free energy with decisive contributions from both enthalpy and entropy differences between final initial state. For monolayer at liquid-solid interface, solute molecules are initially dissolved liquid phase then become incorporated into an adsorbed monolayer. In this work, we present adapted Born-Haber cycle obtaining precise values a key ingredient profound thermodynamic understanding of process. By choosing terephthalic acid as...
A few weight percent of electrolyte additives can dramatically improve Li-ion battery performance and lifetime. systematic investigation a series additive formulations was performed on bimodal (BM) single crystal (SC) LiNi 0.8 Mn 0.1 Co O 2 (NMC811)/artificial graphite (AG) pouch cells. Long-term cycling tests at different temperatures (20 °C, 40 55 °C) upper cutoff voltages (4.06 V 4.20 V) were performed. These results combined with advanced characterization techniques like ultra-high...
Abstract Due to their marvelous electrical and optical properties, perovskite nanocrystals have reached remarkable landmarks in solar cells, light‐emitting diodes, photodetectors. However, the intrinsic instability of ionic perovskites, which would undergo an undesirable phase transition decompose rapidly ambient humidity, limits long‐term practical deployment. To address this challenge, halogenated trimethoxysilane as passivation additive is chosen, utilizes simultaneous halide silica...
Unwanted parasitic reactions in lithium-ion cells lead to self-discharge and inefficiency, especially at high temperatures. To understand the nature of those this study investigates open circuit storage losses LFP/graphite NMC811/graphite pouch with common alkyl carbonate electrolytes. The perform a test 40 °C 500 h period after formation temperatures between 70 °C. Cells formed elevated temperature showed reversible loss that could be assigned redox shuttle generated electrolyte during...
Graphene anchored with nanocrystal ZnO was synthesized by a facile in situ one-pot hydrothermal route. The nanocomposite characterized X-ray diffraction (XRD), Raman spectra (RS), photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), scanning electron (SEM), and transmission microscopy (TEM). electrochemical properties of the were investigated galvanostatic cycling cyclic voltammetry (CV). It found that particles size around 30-40 nm are homogeneously on graphene due to...
A nanohybrid based on ZnFe2O4 nanospheres and graphene nanosheets (ZnFe2O4/G) has been synthesized by a facile one-pot in situ solvothermal route. The results show that the formation of reduction graphite oxide take place simultaneously during reactions. Spheric nanoparticles with size 100–200 nm are confined between sheets, forming unique hybrid nanostructure. electrochemical measurements have shown ZnFe2O4/G exhibits improved Li-storage properties compared bare ZnFe2O4, due to combined...
The impact of graphite materials on capacity retention in Li-ion cells is important to understand since Li inventory loss due SEI formation, and cross-talk reactions between the positive negative electrodes, are cell failure mechanisms cells. Here, we investigate five from reputable suppliers performance NMC811/graphite We show that natural graphites (NG) here have a mixture 3R 2H phases, while artificial (AG) were only. find there differences N 2 BET surface area...
LiNi 0.5 Mn 0.3 Co 0.2 O 2 /graphite cells with two different electrolytes underwent charge-discharge cycling at 70 °C. The °C condition reduced the time it took for to lose significant capacity. Studies of changes electrolyte after by gas chromatography/mass spectrometry (GC/MS) and Nuclear Magnetic Resonance spectroscopy (NMR) suggest that same processes which cause cell failure degradation 40 55 occur °C, only an accelerated rate. Transition metal dissolution from positive electrode was...
Boron dipyrromethene (BODIPY)‐based zirconium metal‐organic frameworks (Zr‐MOFs) possess strong light‐harvesting capabilities and great potential for artificial photosynthesis without the use of sacrificial reagents. However, their direct preparation has not yet been achieved due to challenges in synthesizing suitable ligands. Herein, we reported first successful synthesis BODIPY‐based Zr‐MOFs, utilizing CO₂ as a feedstock. By controlling synthetic conditions, successfully obtained two...
Boron dipyrromethene (BODIPY)‐based zirconium metal‐organic frameworks (Zr‐MOFs) possess strong light‐harvesting capabilities and great potential for artificial photosynthesis without the use of sacrificial reagents. However, their direct preparation has not yet been achieved due to challenges in synthesizing suitable ligands. Herein, we reported first successful synthesis BODIPY‐based Zr‐MOFs, utilizing CO₂ as a feedstock. By controlling synthetic conditions, successfully obtained two...
Based on the SST k-ω turbulence model, this study investigated flow fields of annular groove and non-groove small-hole throttling aerostatic bearings (AGSTABs STABs). It examined formation mechanisms static dynamic pressure effects in both at high speed, evaluating how parameters such as eccentricity, width ratio, depth ratio influence average load capacity effects. The findings show that STABs combine speeds, while AGSTABs decouple them to enhance capacity, simultaneously reducing vortex...