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A Conversion from Heat to Electricity

Jessica Stritter

on 16 January 2013

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Transcript of Thermophotovoltaic

heat Voltaic Photo Thermo electric p. radiation heat A Conversion Process from Heat to Electricity Fundamental Principles

PV Cell
Spectral Control




Conclusion Index Fundamental Principles Filter PV Cell Thermal Source Emitter / Radiator TPV System Electric Power EW2_UT/RE B3_Hinterholzer, Stritter PV Cell - semiconductor with particular energy bandgap Applications High efficient Solar PV-Cells Off-Grid Energy Supply Replacement of Batteries 1 2 3 Limit Commercial Impementation Conclusion Chandler, D. L. (2012, 12 29). http://mitei.mit.edu/news/turning-heat-power. Retrieved from MIT Energy Initiative: http://mitei.mit.edu/news/turning-heat-power
Coutts, T. J. (2012, 03 12). Office of Scientific and Technical Information (OSTI). Retrieved 1 05, 2013, from United States Department of Energy, DOE: http://www.osti.gov/energycitations/servlets/purl/751045-s8Ku1I/webviewable/751045.pdf
Display Magazin. (n.d.). Retrieved from http://display-magazin.net/thema/science/kerze
http://www.enseki.or.jp/e_tokusei.html. (n.d.).
Humm, O. (n.d.). Energie.CH. Retrieved from http://www.energie.ch/themen/haustechnik/tpvoltaik/index.htm
Infrared Materials for Thermophotopholtaic Applications. (1998). Materials of Journal of Electronic .
JX-Crystals. (2012). Thermo PV | JX Crystals. Retrieved 12 31, 2012, from http://jxcrystals.com/drupal/thermopv
MTPV Company. (2009). MTPV Micron gap thermophotovoltaic . Retrieved 1 5, 2013, from http://mtpv.com/contact-us.php?tab=7
Natalija Jovanovic, I. C. (2006). Two-Dimensional Tungsten Photonic Crystals as. Retrieved Dezember 31, 2012
The Journal of Physical Chemestry. (2008, 5 22). Retrieved from http://lib.semi.ac.cn:8080/tsh/dzzy/wsqk/selected%20papers/Journal%20of%20physical%20chemistry%20C/112-7841.pdf
Westenhaus, B. (2011, July 28). New Energy and Fuel. Retrieved December 29, 2012, from News and Views for Making and Saving Money in New Energy and Fuel: http://newenergyandfuel.com/http:/newenergyandfuel/com/2011/07/28/a-new-thermal-energy-to-electricity-device/
Wojtczuk, S. (2012). Inverted Three-Junction Tandem Thermophotovoltaic Modules, Ocotober 2012. NASA Tech Briefs , 1,2.
Zenker, M. (2001, März). Thermophotovoltaische Konversion von Verbrennungswärme. Tübingen. efficiency limit Carnot efficiency Filter Spectral Control - concentrating solar radiation onto an emitter
to get a selective emittance

- can be converted with a particular PV Cell

- theoretical efficiency up to 80 % - natural caused blackouts

- electricity and heat supply for off-grid regions

- camping and recreational vehicles - button sized TPV generator

- 3 x energy storable at the
the same size Thank You EW2_UT/RE B3_Hinterholzer, Stritter - plane surface without selectivity
+ bandpass filter - approved SI-cells possible Eg,Si = 1.1 eV ; λ = 1.1 μm < 1500 K small percentage of radiated photons with suitable energy - materials with lower bandgap energies Eg = 0.72 eV ; λ = 1.7 μm GaSb ( gallium antimonide) Filter PV Cell Emitter / Radiator Filter - selective emitter - front or back surface reflector on PV array - upper limit for heat conversion systems overall efficiency made up of

TPV cell performance
spectral control characteristics
radiator temperature
geometric arrangements circa 80 % Selective Emitter - arranged by material - arranged by physical structuring processed surface - useable at any time

- usage of wasted heat

- switchable electricity source key function for a change-over to renewable energies References Thermophotovoltaic (TPV) for your attention Tcell ~ 300K
Temiter ~ 1500K wavelength λ [nm] relative emissitivity in %
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