Thermophotovoltaic converter and cell for use therein

Details Thermophotovoltaic converter and cell for use therein Thermophotovoltaic converter and cell for use therein

1978-07-26

1980-11-18

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136256, 136255, H01L 3106

Patent

active

042343526

ABSTRACT:
Disclosed is a thermophotovoltaic converter which includes a parabolic cone radiation concentrator portion and a processor portion including a radiator which absorbs concentrated radiation and generates incandescent radiation. A photovoltaic cell in close proximity to the radiator receives the incandescent radiation and generates an electrical voltage. The cell includes an intrinsic or lightly doped silicon substrate having a top surface for receiving radiation and a bottom surface having a plurality of diffused N and P conductivity regions arranged in rows. A titanium-silver layer overlays the bottom surface and conductively interconnects regions of one conductivity type and provides a reflective surface to photons which pass through the substrate.

REFERENCES:
patent: 3331707 (1967-07-01), Werth
patent: 3549960 (1970-12-01), Wedlock
patent: 3929510 (1975-12-01), Kittl
B. D. Wedlock, "Thermo-Photo-Voltaic Energy Conversion," Proceedings IEEE, May 1963, pp. 694-698.
C. W. Kim et al., "A P-I-N Thermophotovoltaic Diode," IEEE Trans. Electron Devices, vol. ED-16, pp. 657-663 (1969).
General Motors Corp., "Study of a Thermophotovoltaic Converter," Final Report, Contract No. DA 36-039-AMC-02255(E), Feb. 1964.
R. J. Schwartz et al., "Thermophotovoltaic Cells," Final Report, Contract No. DAAB 07-72-c-0281 (Jun. 1974).

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