A5082452558- Advanced Thermoelectric Materials and Devices
- Thermal Expansion and Ionic Conductivity
- Thermal Radiation and Cooling Technologies
- Advanced Thermodynamics and Statistical Mechanics
- Transition Metal Oxide Nanomaterials
- Magnetic and transport properties of perovskites and related materials
- Heusler alloys: electronic and magnetic properties
- Chalcogenide Semiconductor Thin Films
- Gas Sensing Nanomaterials and Sensors
- Engineering and Technology Innovations
- Topological Materials and Phenomena
- Phase-change materials and chalcogenides
- Thermal properties of materials
- ZnO doping and properties
- Chemical and Physical Properties of Materials
- Microwave Dielectric Ceramics Synthesis
- Copper-based nanomaterials and applications
- Advanced Semiconductor Detectors and Materials
- Innovative Energy Harvesting Technologies
- Photovoltaic System Optimization Techniques
- Electromagnetic Simulation and Numerical Methods
- Advanced Materials and Semiconductor Technologies
- Semiconductor materials and interfaces
- Solar Radiation and Photovoltaics
- Thermodynamic and Structural Properties of Metals and Alloys
Sakon Nakhon Rajabhat University
2015-2024
A TE module based on low-temperature difference (ΔT) of 12 pairs p-Ca3Co4O9/n-CaMnO3 (p-CCO/n-CMO) legs with novelty dimensions 0.5 × 5 3 mm3 was fabricated using low cost Cu electrodes and ceramic substrates. With a hot-side temperature the at 473 K ΔT 200 in air load resistance 0.1−0.75 kΩ, generated up to an output voltage (Vout) 0.8 V, current (Iout) 2.46 mA, maximum power (Pout) 1.98 mW conversion efficiency (η) 0.15%.
This paper focuses on designing thermoelectric generator (TEG) via numerical method. Thermoelectric module in this study was made from n-type CaMnO3 and p-type Ca3Co4O9. The couple field equations were formulated into a system of algebraic by means finite element method (FEM). simulation procedure verified comparing with experimental results, which showed very good agreement between the two outcomes. parametric design exhibited that output voltages vary linearly height TEG, until reaching...
The electronic structure and density of state (DOS) Sr1–xLaxTiO3 (x = 0, 0.06, 0.125, 0.25) have been investigated on the first principle molecular orbital calculation. La was substituted Sr site in SrTiO3 caused an increase electrical conductivity. structure, DOS band 0.13, were calculated by discrete variational (DV)-Xα method Material studio to estimated thermoelectric properties. Seebeck coefficient conductivity form Boltzmann theory: Mott Jones equation. It found that, substitution made...
Based on existing research, thermoelectric efficiency can be improved through material selection. In this study, the used is CaCO₃ doped with Mn and Co₂O₃ to form CaCo3.5Mn0.5O9 as a p-type material. The substrate glass. stages in research are synthesis, sputtering process using DC Magnetron Sputtering machine thin films, testing. synthesis includes grinding, calcination, sintering. Grinding done Ball Mill rotation speed of 250 rpm for 5 hours. Furthermore, calcination step was carried out...
We synthesized polycrystalline sodium cobalt oxide (NaCoO2) by using solid state reaction (SSR) method in a magnetic field. The powder of Na2CO3 and Co3O4 were mixed ball milling compacted characterization microstructure size crystal structure analyzed through XRD. Thermoelectric properties the lattice parameter NaCoO2 showed little change parameters are = 2.8443 Å, b c 10.8091 Å hexagonal (a ≠ c).
Abstract Thermoelectric generators (TEGs) are technologies that convert heat directly into electricity and vice versa. The performance of TEG systems has been predicted optimized by numerous theoretical models created in recent years. This paper compares efficiency with n -Bi 2 Te 3 p -Sb simulation experimental analysis. At the same temperature range 20 to 70 ºC, thermoelectric modules have comparable electrical voltage, total current density, output power, efficiency. outcome demonstrated...
This research aims to perform fabrication and simulation of thermoelectric cooler module with Bismuth Telluride (Bi2Te3) semiconductor material. The results obtained from this is the higher value given current, then temperature difference generated by will be preparation semiconductors in series can produce highest difference. coefficient performance (COP) influenced several factors, among others, electrical resistance, seebeck coefficient, thermal conductance lowest consecutive values are...
The Ca 3 Co 4 O 9 (CCO) and Sr 0.87 La 0.13 TiO (SLTO) are good property of oxide thermoelectric (TE) materials. They synthesized by solid state reaction (SSR) method to study properties fabrication module. It was found that, synthesis CCO shows that Seebeck coefficient, electrical resistivity, thermal conductivity values 130 μV K – 1 , 8.31 mΩ cm, 0.82 W m 0.08, respectively at 473 K. ZT SLTO –359 2.9 m, 18.09 1.13×10 TE modules were fabricated ultra sonic soldering method. power generation...
Abstract Research on crystal structures and thermoelectric properties has been carried out using BiTe material. The sintering method used is hot press. Hot press pressure comes from the bottom up. Temperature variations in are 400, 450, 500°C. Analysis of structure XRD. Based XRD results, result that bulk hexagonal. Thermoelectric measurements ZEM-3. sample measured a temperature range 50–200°C. measurements, with 500°C highest Seeback coefficient power factor values which –71µV/K 3.6 x 10...
Penelitian mengenai termoelektrik sedang gencar dikembangkan sejak tahun 1990. Pada 2017, mulai yang menggunakan lapisan tipis. penelitian ini, dilakukan fabrikasi tipis tipe N material Zink Oxide (ZnO) di doping dengan Al2O3. Massa ZnO diperlukan sebanyak 20.680 gram dan Al2O3 10.079 gram. Proses mesin DC Magnetron Sputtering. Tahapan-tahapan dalam melakukan ini terbagi ke tiga tahapan utama yakni sintesis, (sputtering), pengujian. sputtering selama 10 menit substrat digunakan kaca....
The purpose of this research was to determine the performance AZO and MCCO materials as constituents thin film-thermoelectric generator module. method used for fabrication is DC Magnetron Sputtering. electrode material Ag substrate SiO2 glass. arrangement film thermoelectric module P-N-P-N-P-N-P-N-P-N (5 couples p-n junctions). Based on test results, thickness type N 74.72 nm P 90.34 nm. At highest temperature (300 oC), Seebeck coefficient value -108 µV/K while 350 µV/K, electrical...