A5101451179- Catalytic Processes in Materials Science
- Catalysts for Methane Reforming
- Catalysis and Hydrodesulfurization Studies
- Carbon Nanotubes in Composites
- Metal and Thin Film Mechanics
- Catalysis for Biomass Conversion
- Catalysis and Oxidation Reactions
- Nuclear Materials and Properties
- Graphene research and applications
- Fiber-reinforced polymer composites
- Ion-surface interactions and analysis
- Diamond and Carbon-based Materials Research
- Carbon dioxide utilization in catalysis
- High-pressure geophysics and materials
- Boron and Carbon Nanomaterials Research
- Nuclear reactor physics and engineering
- Rare-earth and actinide compounds
- Energetic Materials and Combustion
- Geological and Geochemical Analysis
- Metallurgical Processes and Thermodynamics
- Metallic Glasses and Amorphous Alloys
- Zeolite Catalysis and Synthesis
- Nanomaterials for catalytic reactions
- Molten salt chemistry and electrochemical processes
- Inorganic Chemistry and Materials
Institute of Coal Chemistry
2016-2024
Qingdao University of Science and Technology
2023
Yantai University
2023
Shandong University of Technology
2022
University of Chinese Academy of Sciences
2017-2019
Chinese Academy of Sciences
2017-2018
State Council of the People's Republic of China
2018
University of Science and Technology Beijing
2016
The Ohio State University
2002
The influence of different iron carbides on the activity and selectivity iron-based Fischer–Tropsch catalysts has been studied. Different carbide phases are obtained by pretreatment a binary Fe/SiO2 model catalyst (prepared coprecipitation method) to gas atmospheres (syngas, CO, or H2). phase structures, compositions, particle sizes characterized systematically XRD, XAFS, MES, TEM. It is found that in syngas-treated only χ-Fe5C2 formed. In CO-treated catalyst, Fe7C3 with bimodal size...
Highly dispersed bimetallic atomic‐scale catalysts have garnered significant attention in syngas conversion filed due to the synergistic effects of precisely structured site, which facilitate effective activation CO. Despite their potential, synthesizing these meet specific application requirements remains challenging. Herein, various were synthesized through pyrolysis ZIF precursors prepared by situ doping different metals (Mn, Fe, Co, Ni and Cu) into ZIF‐8 structure. In presence a highly...
Argon pretreatment is used to modify the properties of graphene-supported iron catalysts with purpose enhancing FTS performances.
An approach using cobalt metal–organic frameworks (Co–MOF) as precursors is established for the fabrication of nanoparticles in porous carbon shells (core/shell Co@C). Chemical vapor deposition ethyne used controlling reduction nanoclusters MOF and spontaneous formation shells. The metallic cores formed are up to 4–6 nm with crystal phase varying between hexagonally close-packed (hcp) face-center-packed (fcc). change from amorphous graphene temperature increasing 400 600 °C. core/shell Co@C...
Abstract Highly dispersed catalysts are widely used in industry and academia because of their large surface active sites. However, the predominant short‐range ordered structures cannot be revealed by bulk characterization tools. The present study chooses a highly Fe−SiO 2 FTS catalyst as research object shows how X‐ray absorption fine structure (XAFS) helps to analyze chemical information (iron composition, reduction degree, iron valence) structural (coordinating atom coordination number)...
The Pd-embedded-in-TiO<sub>2</sub> structure could improve the activity and stability of Pd/TiO<sub>2</sub> catalyst.
L-lactic acid (L-LAC) production by simultaneous saccharification and fermentation (SSF) of food waste (FW) sophoraflavescens residues (SFR) at different FW-to-SFR (FSRs) ratios (i.e., 0:1, 0.5:1, 1:1, 1.5:1, 2:1 1:0) was investigated. Results from the experiments revealed that co-fermentation SFR FW produced more amounts L-LAC compared with exclusive or under same amount fermentationsubstrate. It may be attributed to synergistic effect co-fermentation. The highest yield obtained...
Alkaline-earth metal nitrides have attracted widespread attention due to their promising potential for high energy–density materials. We predicted the new structures of N-rich BaNx (x = 3–5) compounds under pressure and analyze properties in this paper. The P21/c-BaN3 was discovered first time it can exist stably when exceeds 100 GPa. Besides, both P1¯-BaN4 P1¯-BaN5 lower energy values than previously at pressures 90 GPa 70 GPa, respectively. three novel barium–nitrogen are dynamically...
For binary compounds of Sc-N, the stable structures and stoichiometries were studied from ambient condition to high pressure 100 GPa, adopting CALYPSO method. The newly predictedP21/c-ScN5compound was more energetically under pressureP= 62 GPa comparing with three previously reported phases ofP1-ScN5,Cm-ScN5andC2/m-ScN5. Furthermore, high-pressure phase ofP21/c-ScN5was dynamically at condition, so ambient-pressure recovery is possible. In this paper, study suggested that energetic...
Abstract Fayalite has been found various applications in many fields. However, it is scarce Earth's crust. Most of the preparation methods reported earlier are slightly rigorous or complicated and mainly used for preparing large crystal single fayalite. Because potential field functional materials catalysis, nanoscale fayalite would be interesting attractive. Herein we designed a new method to synthesize α‐Fe 2 SiO 4 via H ‐assisted gas‐solid reaction. We have three different approaches...
A catalytic strategy based on the structural evolution of cobalt species successfully reconcile efficiency and facile active metal recovery.
In recent years, a significant number of oxygen-bearing complex organic molecules (COMs) have been detected in the gas phase cold dark clouds such as TMC-1. The formation these COMs cannot be explained by diffusive mechanisms on grains and reactions. This study investigates using multiphase gas-grain models that incorporate cosmic ray-induced non-diffusive radiation chemistry non-thermal sputtering desorption mechanisms. Additionally, we present effects varying elemental C/O ratio different...
The development of a stable and selective catalyst for CO hydrogenation is utmost importance the chemical industry. Single-atom materials have recently received attention owing to their distinct atomic electronic properties compared with nanoparticle counterparts. Herein, we report Zn-NC single-atom derived from pyrolysis ZIF-8, featuring high loading Zn in N-doped amorphous carbon matrix, used one-step transformation dimethyl ether (DME). presents highly exposed active sites favor overall...
Abstract A plasma jet method based on free arc was carried out to disperse carbon nanotubes (CNTs) in gas phase and produce Pt nanoparticles (Pt-NPs) them at the same time. The is generated through discharge between cathode composed of CNTs, PtCl4 ID water anode with a hole. Plasma prepares Pt/CNT catalyst by directly spraying. CNT carrier have good dispersion SEM images. mean size Pt-NPs estimated TEM images 3.41nm about 4.77nm commercial Pt/C respectively. It showed that bulk produced...
Abstract In order to realize the goal of mass production modification technology, CNTs would be dispersed in gas phase rapidly and then sprayed surface industrial CF that contain sizing agent. This will increase Interface shear strength (IFSS) from 26MPa before processing 35MPa maximum (increased about 33.9%). Due embedding function agent has on CNTs, three types adhering are formed. They complete type (σ1), partial (σ2) sufficient exposure (σ3). paper analyses relations between formations...
In order to realize the goal of mass production modification technology, CNTs would be dispersed in gas phase rapidly and then sprayed surface industrial CF that contain sizing agent. This will increase Interface shear strength (IFSS) from 26MPa before processing 35MPa maximum (increased about 33.9%). Due embedding function agent has on CNTs, three types adhering are formed. They complete type (σ1), partial (σ2) sufficient exposure (σ3). paper analyses relations between formations time,...
A plasma jet method based on free arc was carried out to disperse carbon nanotubes (CNTs) in gas phase and produce Pt nanoparticles (Pt-NPs) them at the same time. The is generated through discharge between cathode composed of CNTs, PtCl4 ID water anode with a hole. Plasma prepares Pt/CNT catalyst by directly spraying. CNT carrier have good dispersion SEM images. mean size Pt-NPs estimated TEM images 3.41nm about 4.77nm commercial Pt/C respectively. It showed that bulk produced metal state...