A5033322883- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Advanced battery technologies research
- Fuel Cells and Related Materials
- Ammonia Synthesis and Nitrogen Reduction
- Electrochemical Analysis and Applications
- MXene and MAX Phase Materials
- Gas Sensing Nanomaterials and Sensors
- Perovskite Materials and Applications
- Covalent Organic Framework Applications
- Radioactive element chemistry and processing
- Supercapacitor Materials and Fabrication
- TiO2 Photocatalysis and Solar Cells
- Caching and Content Delivery
- Advanced ceramic materials synthesis
- Advanced materials and composites
- Metaheuristic Optimization Algorithms Research
- Evolutionary Algorithms and Applications
- Advanced Battery Materials and Technologies
- 2D Materials and Applications
- Non-Invasive Vital Sign Monitoring
- Chemical Synthesis and Characterization
- Catalytic Processes in Materials Science
- Hydrogen Storage and Materials
- Advancements in Battery Materials
Southwest University of Science and Technology
2015-2025
China University of Mining and Technology
2023-2024
Tianjin University of Technology
2022-2023
National Synchrotron Radiation Laboratory
2017-2021
University of Science and Technology of China
2017-2021
Southern University of Science and Technology
2021
Sichuan Research Center of New Materials
2020
Collaborative Innovation Center of Chemistry for Energy Materials
2018-2019
Center for Excellence in Education
2017-2018
Hefei University
2017-2018
Developing highly active and low-cost heterogeneous catalysts toward overall electrochemical water splitting is extremely desirable but still a challenge. Herein, we report pyrite NiS2 nanosheets doped with vanadium heteroatoms as bifunctional electrode materials for both hydrogen- oxygen-evolution reaction (HER OER). Notably, the electronic structure reconfiguration of observed from typical semiconductive characteristics to metallic by engineering (V) displacement defect, which confirmed...
Developing highly efficient catalysts for oxygen evolution reaction (OER) in neutral media is extremely crucial microbial electrolysis cells and electrochemical CO2 reduction. Herein, a facile one-step approach developed to synthesize new type of well-dispersed iridium (Ir) incorporated cobalt-based hydroxide nanosheets (nominated as CoIr) OER. The Ir species clusters single atoms are into the defect-rich through formation rich Co-Ir species, revealed by systematic synchrotron radiation...
Recent years have witnessed significant development of electrocatalysis for clean energy and related potential technologies. The precise identification toward active sites catalysts the monitoring product information are highly desirable to understand how materials catalyze a specific electrocatalytic reaction. For long period, cognition corresponding catalytic mechanisms generally based on various ex situ characterization methods which actually could not capture dynamic structure...
Unravelling the intrinsic mechanism of electrocatalytic oxygen evolution reaction (OER) by use heterogeneous catalysts is highly desirable to develop related energy conversion technologies. Albeit dynamic self-reconstruction during OER extensively observed, it still challenging operando probe reconstruction and precisely identify true catalytically active components. Here, a new class precatalyst, cobalt oxychloride (Co2 (OH)3 Cl) with unique features that allow gradual phase due etching...
Abstract The development of efficient catalysts for both oxygen reduction and evolution reactions (oxygen reaction (ORR) (OER)) is central to regenerative fuel cells rechargeable metal–air batteries. It highly desirable achieve the integration dual active components into understand interaction between components. Here, a facile approach demonstrated construct defective carbon–CoP nanoparticle hybrids as bifunctional electrocatalysts, further probe interfacial charge distribution behavior. By...
Abstract MXene with unique layered structure and rich chemical compositions has been extensively investigated for lithium‐ion batteries, electrochemical capacitors, hydrogen storage medium, but less attention paid to its electrocatalytic potential might due nonideal activity. Here, an in situ growth strategy is developed synthesize a new type of composite carbon nanotubes (CNTs) supported on the surface Ti 3 C 2 T x (Co/N‐CNTs@Ti ) as bifunctional electrocatalyst toward oxygen reduction...
Layered transition metal disulfides are currently being widely studied for advanced energy generation and storage applications.
Abstract Admittedly, the surface atomic structure of heterogenous catalysts toward electrochemical oxygen reduction reaction (ORR) are accepted as important features that can tune catalytic activity and even pathway. Herein, a engineering strategy to controllably synthesize carbon‐layer‐wrapped cobalt‐catalyst from 2D cobalt‐based metal–organic frameworks is elaborately demonstrated. Combined with synchrotron radiation X‐ray photoelectron spectroscopy, soft absorption near‐edge results...
Ammonia borane (AB) is regarded as a highly promising candidate for chemical hydrogen-storage materials. Developing low-cost yet efficient catalysts the dehydrogenation of AB central to achieving hydrogen conversion. Here heterostructure Ni/Ni2P nanoparticles deposited on defective carbon framework hydrolysis developed by elaborately controlling phosphorization conditions. The electronic structure and interfacial interaction ternary components are probed synchrotron-based X-ray absorption...
Abstract Developing a highly efficient catalyst for electrocatalytic urea oxidation reaction (UOR) is not only beneficial the degradation of pollutants in wastewater but also provides benign route hydrogen production. Herein, sulfur‐vacancy (S v ) engineering proposed to accelerate formation metal (oxy)hydroxide on surface Ni‐Co bimetal sulfide nanosheet arrays nickel foam ‐CoNiS@NF) boosting electrocatalysis. As result, obtained S ‐CoNiS@NF demonstrates an outstanding UOR performance, which...
The integration of active components and conductive supports forming free-standing electrodes is highly desirable for a series energy storage conversion devices. Herein, facile hydrothermal method developed to achieve the coupling NiFe layered double hydroxide (LDH) single-walled carbon nanotubes (SWNT) film, an integrated flexible electrode oxygen evolution reaction (OER). requires low overpotential 250 mV reach current density 10 mA cm–2 in 1 M KOH, shows rapid kinetics with Tafel slope 35...
A bimetallic phosphide confined within P, N co-doped carbon layers achieves efficient bifunctional oxygen electrocatalysis.
Photocatalytic technologies are expected to solve the problem of organic matter pretreatment in nuclear wastewater realize sustainable development for energy and environment. However, design synthesis low-cost high-efficiency photocatalysts a significant challenge achieve this goal. In work, 2D/2D g-C3N4/1T-MoS2 Schottky heterojunction photocatalyst was prepared by liquid-phase ultrasonic self-assembly method, enhanced carrier separation ability proved electrochemical impedance spectroscopy,...
Abstract To enhance the oxidation resistance of HfB 2 ‐SiC‐ZrSi coating, low‐loss film‐forming treatment (LFT) was employed to generate high‐quality oxygen barrier glass layers, and modification effect varying formation temperature on investigated at 1700°C. The results demonstrated that, with LFT 1500°C, relatively modest activity complete dispersion metal oxide nanocrystals generated a compact continuous composite layer, which caused decreased excessive might result in oxidized porous...
TiO2 nanotubes co-doped with iron and nitrogen were successfully synthesized commercial powders (CTPs) using a one-step hydrothermal method. The morphology, structure composition of the as-prepared characterized transmission electron microscopy (TEM), field emission scanning (FESEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS), UV-vis diffuse reflectance (UV-vis), photoluminescence (PL) Raman spectroscopy. photocatalytic activities samples are evaluated for degradation tannic...
Recent years have witnessed various in-depth research efforts on self-reconstruction behavior toward electrocatalysis. Tracking the phase transformation and evolution of true active sites is great significance for development self-reconstructed electrocatalysts. Here, optimized atomic sulfur-doped bismuth nanobelt (S–Bi) fabricated via an electrochemical evolved from Bi2S3. Advanced technologies demonstrated that nonmetallic S atoms been doped into lattice Bi frame, leading to reconstruction...