Junjie Shi

ORCID: 0000-0002-1776-5638
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About
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Research Areas
  • Metallurgical Processes and Thermodynamics
  • Metal Extraction and Bioleaching
  • Gas Sensing Nanomaterials and Sensors
  • Iron and Steelmaking Processes
  • Analytical Chemistry and Sensors
  • Advanced Chemical Sensor Technologies
  • Materials Engineering and Processing
  • Extraction and Separation Processes
  • Corrosion Behavior and Inhibition
  • Advanced ceramic materials synthesis
  • Recycling and Waste Management Techniques
  • Metal and Thin Film Mechanics
  • Advancements in Battery Materials
  • Thermal and Kinetic Analysis
  • Advanced materials and composites
  • Metal-Organic Frameworks: Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Carbon Dioxide Capture Technologies
  • Membrane Separation and Gas Transport
  • Catalysis and Oxidation Reactions
  • Magnesium Alloys: Properties and Applications
  • Metallurgical and Alloy Processes
  • Microwave Dielectric Ceramics Synthesis
  • High-Temperature Coating Behaviors
  • Phase Equilibria and Thermodynamics

Wuhan University
2025

Northeastern University
2015-2024

Huazhong University of Science and Technology
2023-2024

Xiangtan University
2023-2024

UNSW Sydney
2024

University of Florida
2021-2024

Fujian Normal University
2024

Wuhan National Laboratory for Optoelectronics
2023-2024

Universidad del Noreste
2016-2023

Anhui Agricultural University
2023

The adsorption/desorption kinetics of carbon dioxide on tetraethylenepentamine (TEPA) impregnated industrial grade multiwalled nanotubes (IG-MWCNTs) was investigated to obtain insight into the underlying mechanisms fixed bed. After evaluating four kinetic models for CO2 adsorption at various temperatures, partial pressure, and amine loadings, it found that Avrami's fractional-order model provided best fitting behavior CO2. In order find optimal regeneration method, three desorption methods...

10.1021/ie502009n article EN Industrial & Engineering Chemistry Research 2014-06-25

Abstract Sulfation roasting followed by water leaching has been proposed as an alternative route for recycling valuable metals from spent lithium-ion batteries (LIBs). In the present work, reaction mechanism of sulfation synthetic LiCoO 2 was investigated both thermodynamic calculations and experiments under flowing 10% SO -1% O -89% Ar gas atmosphere at 700°C. The products microstructural evolution processes were characterized x-ray diffraction, scanning electron microscope energy...

10.1007/s11837-019-03800-5 article EN cc-by JOM 2019-09-25

Sulfur dioxide (SO2) is one of the most hazardous and common environmental pollutants. However, development room-temperature SO2 sensors seriously lagging behind that other toxic gas due to their poor recovery properties. In this study, a light-assisted sensor based on polyaniline (PANI) Ag nanoparticle-comodified tin nanostructures (Ag/PANI/SnO2) was developed exhibited remarkable sensitivity excellent The response Ag/PANI/SnO2 (20.1) 50 ppm under 365 nm ultraviolet (UV) light illumination...

10.1021/acsami.1c14548 article EN ACS Applied Materials & Interfaces 2021-10-06

To address the challenge of rapid detection trace amounts NH3 at room temperature, gas sensor based on PANI/g-C3N4 (graphitic carbon nitride) nanocomposite was fabricated via hydrothermal exfoliation g-C3N4 combined with in situ oxidative polymerization PANI. The test results demonstrated that 30 mol % nanosheet-doped PANI hybrid (PCN (30)) exhibited highest sensitivity to NH3. sensing response PCN (30) (19.53) 200 ppm improved by 50% compared pure (12.99) and reached ppb-level limit 25 °C....

10.1021/acsanm.2c04940 article EN ACS Applied Nano Materials 2023-03-17

Abstract Designing sustainable materials with tunable mechanical properties, intrinsic degradability, and recyclability from renewable biomass through a mild process has become vital in polymer science. Traditional phenolic resins are generally considered to be not degradable or recyclable. Here we report the design synthesis of linear network structured polymers using facile polycondensation between natural aldehyde‐bearing compounds polymercaptans. Linear products amorphous T g −9 °C 12...

10.1002/anie.202305677 article EN Angewandte Chemie International Edition 2023-05-19

Abstract In this work, the flame retardant ISA‐APP, obtained by modification of ammonium polyphosphate (APP) with isopropanolamine (ISA), was employed in epoxy resins (EP) an attempt to enhance fire resistance EP. The findings indicate that, incorporation 20 wt% ISA‐APP EP, limiting oxygen index (LOI) EP/ISA‐APP attains 33.5%, accompanied a UL‐94 test V‐0 rating. This performance surpasses retardancy observed EP/APP composites at equivalent content. outcomes derived from cone calorimeter...

10.1002/app.55526 article EN Journal of Applied Polymer Science 2024-04-10

The interfaces formed between metallic electrodes and β-Ga2O3 are crucial components of β-Ga2O3-based electronic optoelectronic devices. While there have been a few studies on the electrical properties metal/β-Ga2O3 interfaces, they limited to those with single facet or metals. Here, nine minimum mismatch interface area screened from thousands candidates using high-throughput prediction generation scheme automatically. metal contact characteristics these systematically investigated through...

10.1063/5.0256577 article EN cc-by Journal of Applied Physics 2025-03-17

Industrial grade multiwalled carbon nanotubes (IG-MWCNTs) were functionalized with polyethylenimines (PEIs) for CO2 capture from simulated flue gas. Ethylenediamine end-capped PEI (PEI-EC) impregnated IG-MWCNTs was found to exhibit a significantly higher adsorption capacity than other branched PEIs IG-MWCNTs. The PEI-EC characterized various experimental methods including N2 adsorption/desorption isotherms, X-ray diffraction, and thermogravimetric analysis. behavior of the is influenced by...

10.1021/ie503118j article EN Industrial & Engineering Chemistry Research 2014-10-09
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