Thermophotovoltaic conversion using selective infrared line emit

Details Thermophotovoltaic conversion using selective infrared line emit Thermophotovoltaic conversion using selective infrared line emit

1998-10-06

2000-06-06

Codd, Bernard

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136260, 136261, 136262, 136264, H01L 31101

Patent

active

060721162

ABSTRACT:
Efficient thermophotovoltaic conversion can be performed using photovoltaic devices with a band gap in the 0.75-1.4 electron volt range, and selective infrared emitters chosen from among the rare earth oxides which are thermally stimulated to emit infrared radiation whose energy very largely corresponds to the aforementioned band gap. It is possible to use thermovoltaic devices operating at relatively high temperatures, up to about 300.degree. C., without seriously impairing the efficiency of energy conversion.

REFERENCES:
patent: 4419532 (1983-12-01), Severns
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patent: 5057162 (1991-10-01), Nelson
patent: 5447786 (1995-09-01), Rose et al.
patent: 5503685 (1996-04-01), Goldstein
patent: 5780370 (1998-07-01), Chen et al.
patent: 5837011 (1998-11-01), Wong
"Reinforced Solid Erbium Oxide Emitters for TPV Applications," Z. Chen and coworkers, Proceedings of International Mechanical Engineering, Atlanta, Georgia, 1996.

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