Seebeck coefficient Archives

Enhanced thermoelectric properties of hybridized conducting aerogels based on carbon nanotubes and pyrolyzed resorcinol–formaldehyde resin

Author(s): Aiping Zhang, Jinghong Zhao, Jinrong Wu, Lijuan Zhao, Quan Li, Xijing Sun

Multi walled carbon nanotubes (MWCNTs) and carbonized resorcinol-formaldehyde (RF) resin were used to create a conducting aerogel with a high electrical conductivity and Seebeck coefficient but a low thermal conductivity. ...

Keywords: Carbon nanotubes, carbonized resorcinol-formaldehyde, carbonized resorcinol-formaldehyde (RF), CNTs, Electrical Conductivity, Figure of Merit, Figure of Merit (ZT), hybridized aerogels, multi-walled carbon nanotubes, Multi-walled carbon nanotubes (MWCNTs), MWCNTs, resin, RF, Seebeck coefficient, Thermal Conductivity, ZT

Thermoelectric properties of Ba8Ga16Ge30 with TiO2 nanoinclusions

Author(s): A. E. C. Palmqvist, Daniel Cederkrantz, M. Nygren, R. Heijl

This article studied the effect of the addition of TiO2 nanoinclusions on bulk Ba8Ga16Ge30clathrate. Both thermal conductivity and electrical resistivity were investigated. Results produced by the Hot ...

Keywords: Ba8Ga16Ge30clathrate, Electrical Resistivity, Seebeck coefficient, Thermal Conductivity, TiO2 nanoinclusions

Composition Control and Thermoelectric Properties of Quaternary Chalcogenide Nanocrystals: The Case of Stannite Cu2CdSnSe4

Author(s): Alejandro Perez-Rodriguez, Alejandro Pérez-Rodríguez, Alexey Shavel, Andreu Cabot, Andrew Fairbrother, Doris Cadavid, Joan Daniel Prades, Joan Ramon Morante, Jordi Arbiol, Maria Ibanez, Nuria Garcia-Castello, Nuria García-Castelló, Reza Zamani, Victor Izquierdo-Roca, Wenhua Li

The authors present a method of producing Cu2CdSnSe4 quaternary nanocrystals using a colloidal synthesis route that could be used for future industrial synthesis. The nanocrystals prepared showed great potential ...

Keywords: Copper, EDX, Electrical Resistivity, Energy Dispersive X-Ray, Energy Dispersive X-Ray (EDX), Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), Seebeck coefficient, SEM, TEM, Thermal Conductivity, Thermoelectric Materials, TPS, transient plane source method, Transient Plane Source Method (TPS), Transmission electron microscopy, Transmission electron microscopy (TEM), UV-Vis, X-ray Diffraction, X-ray diffraction (XRD), XRD

High thermoelectric performance in Bi2-xPbxBa2Co2Oy promoted by directional growth and annealing

Author(s): A. Sotelo, F. M. Costa, J. C. Diez, J. S. Amaral, M. A. Madre, M. A. Torres, N. M. Ferreira, S. I. R. Costa, Sh. Rasekh, V. S. Amaral

The laser floating zone method was used to prepare Pb doped Bi2-xPbxBa2Co2Oy thermoelectric materials with x=0, 0.2, 0.4, and 0.6. The highest power factor reported was obtained at 650oC for ...

Keywords: EDS, Energy Dispersive Spectrometry, Energy Dispersive Spectrometry (EDS), FESEM, Field Emission Scanning Electron Microscope, Field Emission Scanning Electron Microscope (FESEM), Resistivity, Seebeck coefficient, TE Materials, Thermal Conductivity, Transient Plane Source Technique, X-ray Diffraction, X-ray diffraction (XRD), XRD

Thermoelectric behavior of aerogels based on graphene and multi-walled carbon nanotube nanocomposites

Author(s): Aiping Zhang, Jinghong Zhao, Jinrong Wu, Lijuan Zhao, Quan Li, Xijing Sun, Zhouyue Lei

This paper proposes conducting carbon aerogels, composed of graphene and multi-walled carbon nanotubes, as an option for a thermoelectric material. The researchers found that this combination of materials increased the ...

Keywords: Aerogels, atomic force microscopy, Carbon nanotubes, CNTs, Electrical Conductivity, Figure of Merit, graphene, multi-walled, nanocomposites, Seebeck coefficient, Thermal Conductivity, Thermoelectric, X-ray Diffraction

Development of transport properties characterization capabilities for thermoelectric materials and modules

Author(s): Josh Whaley, Karla R. Reyes-Gil, Nancy Yang, Ryan Nishimoto

Thermoelectric (TE) generators have very important applications, such as emerging automotive waste heat recovery and cooling applications. This study investigates how thermal conductivity, seebeck coefficient, and resistivity of bismuth telluride ...

Keywords: automotive waste, Bi2Te3 alloys, characterization, characterization techniques, Contact resistance, environmental, figure of merit (ZT value), heating and cooling applications, Sandia National Laboratories (SNL), Seebeck coefficient, Temperature, Thermal Conductivity, thermal resistivity, thermoelectric generators, Transient plane source (TPS), Transient plane source (TPS) method, transport properties measurements

Enhanced thermoelectric properties of Mg2Si by addition of TiO2 nanoparticles

Author(s): A. E. C. Palmqvist, B. B. Iversen, Daniel Cederkrantz, K. A. Borup, M. Nygren, N. Farahi

Nano-inclusions are thermally conductive particles that improve the thermal conductivity of liquid mediums. In this paper, the thermal properties of Mg2Si were evaluated after the addition of TiO2 nanoparticles. ...

Keywords: Charge carrier concentration, composites, Electrical Resistivity, Magnesium silicide (Mg2Si), matrix, Nanoparticles, Seebeck coefficient, Sintering Process, Solid State Reaction, Thermal Conductivity, Thermoelectric figure-of-merit (ZT value), Thermoelectric Properties, Titanium dioxide (TiO2), Transient Plane Source, Transient plane source (TPS) method

Improvement of the thermoelectric characteristics of Fe-doped misfit-layered Ca3Co(4-x)Fe(x)O(9+delta) (x=0, 0.05, 0.1, and 0.2)

Author(s): Chia-Jyi Liu, Jung-Sheng Wang, Li-Chen Huang

Measurements were carried out to determine the electrical resistivity, thermal conductivity and Seebeck coefficients of a series of Fe-doped misfit-layered oxides (Ca3Co(4-x)Fe(x)O(9+delta) (x=0, 0.05, 0.1, and 0.2)). ...

Keywords: Ball Mill, Doping, Electrical Resistivity, Figures of Merit, Figures of Merit (ZT), Four-Probe Technique, Materials, Powder X-Ray Diffraction, Powder X-Ray Diffraction (XRD), Rietveld refinement program, Seebeck coefficient, Solid State Reaction, Superconductors, TE, Temperature Gradient, Thermal Conductivity, Thermal Plane Source, Thermal Plane Source (TPS) Technique, Thermoelectric, Thermoelectric (TE) Materials, Thermoelectricity, Thermopower, TPS Technique, van der Pauw Method, XRD, ZT

Keyword: Seebeck coefficient

Enhanced thermoelectric properties of hybridized conducting aerogels based on carbon nanotubes and pyrolyzed resorcinol–formaldehyde resin

Thermoelectric properties of Ba8Ga16Ge30 with TiO2 nanoinclusions

Composition Control and Thermoelectric Properties of Quaternary Chalcogenide Nanocrystals: The Case of Stannite Cu2CdSnSe4

High thermoelectric performance in Bi2-xPbxBa2Co2Oy promoted by directional growth and annealing

Thermoelectric behavior of aerogels based on graphene and multi-walled carbon nanotube nanocomposites

Development of transport properties characterization capabilities for thermoelectric materials and modules

Enhanced thermoelectric properties of Mg2Si by addition of TiO2 nanoparticles

Improvement of the thermoelectric characteristics of Fe-doped misfit-layered Ca3Co(4-x)Fe(x)O(9+delta) (x=0, 0.05, 0.1, and 0.2)

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