Space probe to the Jupiter From JPL, NASA Radioisotope

Thermoelectric Generator (PbTe)

Introduction to Thermoelectric Materials and Devices

9th Semester of 2012 2012.05.24, Thursday Department of Energy Science Sungkyunkwan University

1 Thermoelectric Phenomena and Conversion Efficiency

2 Thermoelectric Transport Theory I : Electrical Properties

3 Thermoelectric Transport Theory II : Thermal Properties

4 Measurement of Thermoelectric Properties

5 Materials Preparation : Bulk

6 Materials Preparation : Thin Film

7 Thermoelectric System : Current and Future of Module

8 Applications : Power Generation and Heat Cooling

9 Thermoelectric Materials : State-of-the-art

10 Thermoelectric Materials : Intermetallics

11 Thermoelectric Materials : Oxides

12 Thermoelectric Materials : Phonon Glass and Electron Crystal (PGEC) Materials

13 Theory and Modeling in Nanostructured Thermoelectrics

14 High efficiency in Low Dimensional Materials

15 Hybrid Energy Conversion Systems of Thermoelectrics

16 Final Exam

Plan

Snyder, Toberer, Nat. Mater. 2008

Thermoelectric Research : Current and Future of Module

Target : High Conversion Efficiency of Thermoelectric Devices

Module : Accumulation of Elements, Contact Resistance (Welding), Shape Diversity for Micro-Scale (Thin Film)

System : Circumstance Suitability (Generation), Diversity of Mass Conversion System, Hybridization with other renewable energy system

Materials : High Efficiency (High ZT), New Materials and Various Categories (Limitation to Heavy Metal Compounds), Properties for Hybridization (Magnetic Semiconductor for Magnetocaloric) (Low Workfunction for Thermionic)

Thin Film

Cascade Conventional

Solar absorber + TE Custom Cooling Device D. Kraemer et al., Nat. Mater. 20011

State of the art

State of the art

State of the art

Bi2Te3, Bi2Se3 and Sb2Te3 and their solid solution

State of the art

Bi2Te3, Bi2Se3 and Sb2Te3 and their solid solution

State of the art

State of the art

Half-Heusler

State of the art

State of the art

State of the art

State of the art

State of the art

State of the art

Skutterudite, Filled Skutterudite

State of the art

State of the art

State of the art

X-ray Rietveld refinement profile for La1Ir4Ge3Sb9 compounds

State of the art

Clathrate

State of the art

Enhancement of DOS(E)

well

barrier

Confinement of conduction

electrons leads to enhancement

of DOS(E)

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Presentation Articles by Group 2

Presentation Articles by Group 2