A5013105695- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Thermoelectric Materials and Devices
- Electrocatalysts for Energy Conversion
- Chalcogenide Semiconductor Thin Films
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Quantum Dots Synthesis And Properties
- Gold and Silver Nanoparticles Synthesis and Applications
- Advanced Battery Technologies Research
- 2D Materials and Applications
- Thermal properties of materials
- Fuel Cells and Related Materials
- Graphene research and applications
- Semiconductor materials and devices
- Catalytic Processes in Materials Science
- Advanced biosensing and bioanalysis techniques
- Extraction and Separation Processes
- MXene and MAX Phase Materials
- Copper-based nanomaterials and applications
- Perovskite Materials and Applications
- Advanced Memory and Neural Computing
- Advanced Electron Microscopy Techniques and Applications
- Electron and X-Ray Spectroscopy Techniques
Wuhan University of Technology
2018-2025
Beijing Institute of Mathematical Sciences and Applications
2023-2025
State Key Laboratory of Advanced Technology For Materials Synthesis and Processing
2021-2025
Chinese Academy of Sciences
2005-2024
Taipei Veterans General Hospital
2024
Kunming Institute of Botany
2022-2024
First People's Hospital of Chongqing
2024
Northwestern University
2013-2023
Huashan Hospital
2022-2023
Fudan University
2022-2023
Submicrometer-sized capsules made of Si nanoparticles wrapped by crumpled graphene shells were a rapid, one-step capillary-driven assembly route in aerosol droplets. Aqueous dispersion micrometer-sized oxide (GO) sheets and nebulized to form droplets, which passed through preheated tube furnace. Evaporation-induced capillary force (a.k.a., reduced GO) around the particles, heavily shell. The folds wrinkles coating can accommodate volume expansion upon lithiation without fracture, thus help...
The electronic metal–support interaction (EMSI) plays a crucial role in catalysis as it can induce electron transfer between metal and support, modulate the state of supported metal, optimize reduction intermediate species. In this work, tailoring structure Pt single atoms on N-doped mesoporous hollow carbon spheres (Pt1/NMHCS) via strong EMSI engineering is reported. Pt1/NMHCS composite much more active stable than nanoparticle (PtNP) counterpart commercial 20 wt% Pt/C for catalyzing...
Development of low‐cost, high‐performance, and bifunctional electrocatalysts for water splitting is essential renewable clean energy technologies. Although binary phosphides are inexpensive, their performance not as good noble metals. Adding a third metal element to (Ni‐P, Co‐P) provides the opportunity tune crystalline electronic structures thus electrocatalytic properties. Here, ternary phosphide (NiCoP) films with different nickel cobalt ratios via an electrodeposition technique...
Nanolayered structures present significantly enhanced electrochemical performance by facilitating the surface-dependent reaction processes for supercapacitors, which, however, causes capacitance fade upon cycling due to their poor chemical stability. In this work, we report a simple and effective approach develop stable, high electrode material integrating 2D transition metal hydroxide reduced graphene oxide sheets at nanometer scale. Specifically, hybrid nanolayer of Ni–Co @reduced...
Graphene oxide (GO) nanocolloids-sheets with lateral dimension smaller than 100 nm-were synthesized by chemical exfoliation of graphite nanofibers, in which the graphene planes are coin-stacked along length nanofibers. Since upper size limit is predetermined diameter nanofiber precursor, distribution GO nanosheets much more uniform that common from powders. The can be further tuned oxidation time. Compared to micrometer-sized, regular sheets, nano has very similar spectroscopic...
In this study, three-dimensional (3D) hierarchical porous carbon with abundant functional groups is produced through a very simple low-cost carbonization of Artemia cyst shells. The unique structure material, combining large numbers micropores and macropores, as well reasonable amount mesopores, proven favorable to capacitive behavior. oxygen from the natural precursor contribute stable pseudocapacitance. As-prepared sample exhibits high specific capacitance (369 F g–1 in 1 M H2SO4 349 6...
Evaluating the alkaline water electrolysis (AWE) at 50–80 °C required in industry can veritably promote practical applications. Here, thermally induced complete reconstruction (TICR) of molybdate oxygen evolution reaction (OER) pre-catalysts 51.9 and its fundamental mechanism are uncovered. The dynamic processes, real active species, stereoscopic structural characteristics identified by situ low-/high-temperature Raman, ex microscopy, electron tomography. completely reconstructed (CR)...
Abstract Theoretical calculations unveil the charge redistribution over abundant interfaces and enhanced electronic states of Ru/RuS 2 heterostructure. The resulting surface electron‐deficient Ru sites display optimized adsorption behavior toward diverse reaction intermediates, thereby reducing thermodynamic energy barriers. Experimentally, for first time laminar heterostructure is rationally engineered by virtue synchronous reduction sulfurization under eutectic salt system. Impressively,...
Significance In nature, nitrogenase fixes nitrogen into biologically usable forms under ambient conditions. Today, half of the world’s fixation is achieved through industrial Haber–Bosch process, which operates at elevated temperature and pressure. Here, we present a synthetic mimic in form chalcogel composed molybdenum iron-containing biomimetic clusters that can accomplish photocatalytic N 2 conversion to NH 3 Surprisingly, iron–sulfur chalcogels without are observed have higher activity...
The mechanism of Ti<sub>3</sub>C<sub>2</sub>-MXene ambient oxidation has been revealed by electron microscopy, disclosing the effects defects and Ti-ion diffusion.
The release of the lattice oxygen due to thermal degradation layered lithium transition metal oxides is one major safety concerns in Li-ion batteries. generally attributed phase transitions from structure spinel and rocksalt structures that contain less oxygen. Here, a different pathway LiCoO2 found, through vacancy facilitated cation migration reduction. This process leaves undercoordinated gives rise while integrity defect-free region mostly preserved. mechanism can be called surface...
High, stable, and modulatable ionic conductivity is important for many nanofluidic applications of layered two-dimensional (2D) membranes. In this study, we demonstrate a proton the Ti3C2T x membrane that orders magnitude higher than bulk solution at low concentrations. Importantly, highly stable in aqueous without any modification, due to strong attractive interlayer van der Waals interaction weak electrostatic repulsive interaction. Furthermore, by exploiting intrinsic photothermal...
Fundamental investigations of reconstruction oxygen evolution reaction (OER) pre-catalysts and performance evaluation under realistic conditions are vital for practical water electrolysis. Here, we capture dynamic reconstruction, including the geometric/phase structure, hydrate molybdates at oxidized potentials. Etching-reconstruction engineering endows formed NiOOH with a sub-5-nm particle-interconnected as revealed by multi-angle electron tomography. The key to complete is multicomponent...
Due to their unique optoelectronic properties and potential for next generation devices, monolayer transition metal dichalcogenides (TMDs) have attracted a great deal of interest since the first observation MoS2 few years ago. While initially isolated in form by mechanical exfoliation, field has evolved more sophisticated methods capable direct growth large-area TMDs. Chemical vapor deposition (CVD) is technique used most prominently throughout literature based on sulfurization oxide...
There are economic and environmental advantages by replacing Li with Na in energy storage. However, sluggishness the charge/discharge reaction low capacity among major obstacles to development of high-power sodium-ion batteries. Among electrode materials recently developed for batteries, selenium shows considerable promise because its high good cycling ability. Herein, we have investigated mechanism kinetics both sodiation lithiation reactions nanotubes, using situ transmission electron...
Abstract (K,Na)NbO 3 based ceramics are considered to be one of the most promising lead-free ferroelectrics replacing Pb(Zr,Ti)O . Despite extensive studies over last two decades, mechanism for enhanced piezoelectricity in multi-elements doped has not been fully understood. Here, we combine temperature-dependent synchrotron x-ray diffraction and property measurements, atomic-scale scanning transmission electron microscopy, first-principle phase-field calculations establish...
Uneven distribution of electric fields at the electrolyte-anode interface and associated Zn dendrite growth is one most critical barriers that limit life span aqueous zinc-ion batteries. Herein, new-type Zn-A-O (A = Si, Ti) layers with thin uniform thickness, porosity, hydrophilicity properties are developed to realize homogeneous smooth plating. For ZnSiO3 nanosheet arrays on foil (Zn@ZSO), their formation follows an "etching-nucleation-growth" mechanism confirmed by a well-designed...
Tetrahexahedral particles (~10 to ~500 nanometers) composed of platinum (Pt), palladium, rhodium, nickel, and cobalt, as well a library bimetallic compositions, were synthesized on silicon wafers catalytic supports by ligand-free, solid-state reaction that used trace elements [antimony (Sb), bismuth (Bi), lead, or tellurium] stabilize high-index facets. Both simulation experiment confirmed this method stabilized the {210} planes. A study PtSb system showed tetrahexahedron shape resulted from...
Abstract Aqueous zinc‐ion batteries are highly desirable for large‐scale energy storage because of their low cost and high‐level safety. However, achieving high power densities simultaneously is challenging. Herein, a VO x sub‐nanometer cluster/reduced graphene oxide (rGO) cathode material composed interfacial VOC bonds artificially constructed. Therein, new mechanism revealed, where Zn 2+ ions predominantly stored at the interface between rGO, which causes anomalous valence changes...
Abstract To achieve high ionic conductivity for solid electrolyte, an artificial Li‐rich interface layer of about 60 nm thick has been constructed in polymer‐based poly(ethylene oxide)‐lithium bis(trifluoromethanesulfonyl)imide composite electrolyte (briefly noted as PEO m ) by adding Li‐based alloys. As revealed high‐resolution transmission electron microscopy and energy loss spectroscopy, amorphous feature is created around the alloy particles with gradient distribution Li across it....
Abstract Mn‐based layered oxides are one of the most appealing cathodes for potassium‐ion batteries (PIBs) because their high theoretical capacity. However, Jahn–Teller effect Mn 3+ induces detrimental structural disorder and irreversible phase transition, leading to inferior cycling stability. Herein, an efficient strategy suppress in by regulating average valence is demonstrated. To verify this strategy, Ti 4+ Mg 2+ ions chosen introduced into (K 0.5 0.7 Co 0.2 Fe 0.1 O 2 ), which can...