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Current and Future Trends in the Commercialization of Thermoelectric Generating Technologies Brian Henry

Current and Future Trends in the Commercialization of Thermoelectric Generating Technologies Brian Henry. Overview. Why TEG Current status Technology Commercial applications Future outlook Review of technology Road to improved performance Complementary technologies. Why TEG?.

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Current and Future Trends in the Commercialization of Thermoelectric Generating Technologies Brian Henry

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  1. Current and Future Trends in the Commercialization of Thermoelectric Generating Technologies Brian Henry

  2. Overview • Why TEG • Current status • Technology • Commercial applications • Future outlook • Review of technology • Road to improved performance • Complementary technologies

  3. Why TEG? Advantages • All solid state • Low noise and vibration • Extremely reliable and rugged • Easily controlled with electronics • No harmful refrigerants/working fluids • Ability to miniaturize • Potentially a HUGE market • Who will make it happen? • Who will reap the financial rewards?

  4. Current Technology • High reliability • Remote location • High cost

  5. Current Applications • < $50 million industry • Remote, highly reliable, low power requirements • Pipeline monitoring, E&P, Telecom • Space power production • Wearable devices • Industrial heat recovery • Remote heat recovery

  6. One of the largest current markets for TEG Manufacturers rely on other programs for technology development Probably not the companies who will lead the “TEG revolution” Remote Power

  7. Seiko owns watch patent-6,407,965 Expect Seiko to continue to design small wearable applications (as well as competitors) Wearable Devices

  8. Remote Heat Recovery

  9. Current Applications • Highly constrained by: • Efficiency • Cost of module • Cost of other components • Only 281 results from US patent search under “thermoelectric generator” (11/04 -01/75)

  10. Promising Advancements • Enhanced Materials • Quantum Wells • Nano dots • 1-D Nano wires • 2-D super lattice structures • Segmented TEM’s

  11. Future Markets • Auto Industry • Vehicular heat recovery (coolant/Exhaust) • Alternator replacement • Value/Need enhanced by hybrid designs • Solar/Geo/Waste power generation • Remote “mesh” sensor networks • Prime generation/Waste heat recovery • New wearable power production • Battery replacement

  12. Auto Industry

  13. Auto Industry • Expected to be largest TEG market in next 10 years • Initial use in heavy trucks • Multiple hurdles: • Impact on weight, performance, cost • ZT performance not only concern “Heat sink technology developments and system design may be as important and possibly more important than the material developments”-Hylan B. Lyon Ph.D., CFO, Marlow Industries

  14. Micro devices

  15. Waste Heat Recovery • Does not utilize all of the benefits of TEGS • However, alternatives perform poorly at low delta-T • Requires very large scale inexpensive systems 500 watt waste heat TEG (used on back of incinerator)

  16. Co-Generation Portable water heater/pump Combined NG heater and electrical generator for residential use

  17. Battery Alternative • DARPA is working on battery replacement system (diesel fired) for ground troops Swedish made charger prototype

  18. Summary • Significant improvements in materials • Research and funding momentum • Expect ~2.0 ZT, high volume production, < $0.3/watt for TE modules by 2010 Other opportunities/hurdles: • Need for improvements in other parts of system • Heat exchangers, electronic controllers, packaging, design systems… • Will be critical to cost effectiveness of TEG’s

  19. Snapshot of Players Corporate • Hi-Z • Marlow • Tellurex • Amerigon • Eneco • GM • Ford • BMW • Seiko • Delphi • Nyserda Research • DOE • DARPA (DSO) • Oak Ridge National Laboratories (ORNL) • Research Triangle Institute • MIT’s Lincoln Labs • Jet Propulsion Laboratories • California Institute of Technology • Michigan State • Clemson University • RTI • PNNL • Berkeley • Stanford • University of Texas • UCSC • Harvard • Purdue

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