transmission electron microscope Archives

Thermal energy storage performance of paraffin-based composite phase change materials filled with hexagonal boron nitride nanosheets

Author(s): Guan-Hua Cheng, Jian-Feng Hou, Li-Wu Fan, Qing Ding, Xiao Wang, Xiao-Li Yao, Xin Fang, Ya-Cai Hu, Yu-Yue Wu, Zi-Tao Yu

A paraffin-based composite phase change material (PCM) was prepared by the addition of hexagonal boron nitride (h-BN) nanosheets to melted paraffin wax followed by vigorous stirring. The nanosheets were added ...

Keywords: BN, boron nitride, differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, Hot Disk Thermal Constants Analyzer, Latent Heat of Fusion, Melting Point, pcms, phase change materials, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Solidification Point, TEM, Thermal Conductivity, thermal energy storage, transmission electron microscope, transmission electron microscope (TEM), X-ray Diffraction, X-ray diffraction (XRD), XRD

Photochemical Generation of Ag, Pd, and Pt Particles in Octane

Author(s): Dan R. Clary, G. Mills, Mahdi Nabil, Mahmoud M. Sedeh, Yousef El-Hasadi

Octane solutions containing metal salts were irradiated with 350 nm photons using oleoyl sarcosine as a particle stabilizer and benzophenone as a particle sensitizer to produce suspensions of nanometer-sized metal particles. ...

Keywords: Absorbance Spectra, Hot Disk Transient Plane Source, Hot Disk transient plane source (TPS), Nanofluids, pcms, phase change materials, Thermal Conductivity, transmission electron microscope

Thermal Conductivity of TiO2 Nanotubes

Author(s): Bjorn Petter Jelle, Tao Gao

The authors present a method of preparation of TiO2 nanotubes by alkaline treatment (with NaOH) of TiO2 particles followed by acid-washing and annealing treatment. Theoretical and experimental studies on the ...

Keywords: BET, Brunauer-Emmett-Teller, Brunauer-Emmett-Teller (BET), Equation, Hot Disk Thermal Constants Analyzer, Hotdisk Thermal Constants Analyzer, Nanotubes, Powder X-Ray Diffraction, Powder X-Ray Diffraction (XRD), Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, TEM, Thermal Conductivity, TiO2, titanium dioxide, Titanium Dioxide (TiO2) Nanotubes, Transient Plane Source Technique, transmission electron microscope, transmission electron microscope (TEM), XRD

Tunable thermal conduction character of graphite-nanosheets-enhanced composite phase change materials via cooling rate control

Author(s): Ching-Ping Wong, Kyoung-Sik Moon, Li-Yi Li, Qing Ding, Xin Fang, Zi-Tao Yu

Thermal energy storage (TES) is incredibly important to expanding the field of renewable energy. In this study, the authors look at the potential of composite phase change materials (PCMs) for ...

Keywords: Composite Phase Change Materials, composites, Cooling Rate, cooling rate control, Effect of Cooling Rate on Thermal Conductivity, Fillers, graphite, Hot Disk TPS 2500 S, nanosheets, pcms, phase change materials, renewable energy, scanning electron microscop, scanning electron microscop (SEM), SEM, TEM, Thermal Conductivity, thermal energy storage, transmission electron microscope, transmission electron microscope (TEM)

Effective thermal conductivity of CdS/ZnS nanoparticles embedded polystyrene nanocomposites

Author(s): D. Patidar, N. S. Saxena, S. Agarwal

In this paper, thermal properties of CdS and ZnS nanoparticles are examined to understand heat transfer behavior through polystyrene (PS) composites. The transient plane source (TPS) method was used to ...

Keywords: Cadmium sulphide (CdS), Casting, Hot Disk, nanocomposites, polymer, Polymer composites, Temperature, Thermal Conductivity, thermal properties measurements, Transient plane source (TPS), Transient plane source (TPS) method, transmission electron microscope, X-ray Diffraction, Zinc sulphide (ZnS)

Preparation of silica aerogel/polyurethane composites for the application of thermal insulation

Author(s): Ching-Tang Huang, Huang-Shian Tsai, Jia-Ru Chen, Kai-Jay Chang, Ko-Shan Ho, Kuan-Chen Peng, Wan-Fu Lien, Yen-Zen Wang

The authors prepared silica aerogel/polyurethane composites by two different methods for the comparison of the two methods. The objective was to study the thermal insulation and hydrophobic properties of ...

Keywords: BET, Brunauer Emmett and Teller, Brunauer-Emmett-Teller (BET), Bulk Density, Dynamic Contact Angle Analyzer, FESEM, Field Emission Scanning Electron Microscope, Field Emission Scanning Electron Microscope (FESEM), Fourier-Transform Infrared Spectroscopy, Hot Disk Thermal Constants Analyzer, Method, Pore Size Distribution, porosity, Silica aerogels, specific surface area, TEM, thermal insulation, TPS Method, Transient Plane Source, Transient plane source (TPS) method, transmission electron microscope, transmission electron microscope (TEM)

Surfactant-free ionic liquid-based nanofluids with remarkable thermal conductivity enhancement at very low loading of graphene

Author(s): F. Wang, J. Shi, L. Han, W. Ma, X. Fang, Z. Zhang

The Hot Disk Transient Plane Source method was used in this research article to measure the thermal conductivity of an Ionanofluid, highly stable graphene (GE)-based nanofluid, at various temperatures. ...

Keywords: Carbon nanotubes, CNTs, graphene, Heat Transfer, Ionanofluids, Ionic liquid, ionic liquid-based nanofluids, ionic liquid-based nanofluids (Ionanofluids), mass fraction, Microstructure, Multiwalled carbon nanotubes, Multiwalled carbon nanotubes (MWCNTs), MWCNTs, Nanofluids, Specific Heat, surfactant, TEM, Temperature, Thermal Conductivity, thermal energy storage, Thermal properties testing, transmission electron microscope, transmission electron microscope (TEM), viscosity

Keyword: transmission electron microscope

Thermal energy storage performance of paraffin-based composite phase change materials filled with hexagonal boron nitride nanosheets

Photochemical Generation of Ag, Pd, and Pt Particles in Octane

Thermal Conductivity of TiO2 Nanotubes

Tunable thermal conduction character of graphite-nanosheets-enhanced composite phase change materials via cooling rate control

Effective thermal conductivity of CdS/ZnS nanoparticles embedded polystyrene nanocomposites

Preparation of silica aerogel/polyurethane composites for the application of thermal insulation

Surfactant-free ionic liquid-based nanofluids with remarkable thermal conductivity enhancement at very low loading of graphene

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