Solar energy system

Details Solar energy system Solar energy system

1993-10-14

1995-01-31

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

H01L 31052

Patent

active

053856155

ABSTRACT:
The present invention provides a photovoltaic module for converting solar energy into electrical energy. The module comprises a substrate having a relatively large first surface and a relatively small second surface. A first photovoltaic cell is mounted to the first surface, the first photovoltaic cell having a first response band. The module is positioned such that the solar energy is incident onto the active area of the first photovoltaic cell. A second photovoltaic cell substantially smaller than the first photovoltaic cell is mounted to the second surface of the substrate. The substrate is formed such that a portion of the solar energy transmitted by the first photovoltaic cell into the substrate is directed onto the active area of the second photovoltaic cell. Because of the smaller area of the second photovoltaic cell, the cost per unit cell area is lower than in conventional tandem cell designs.

REFERENCES:
patent: 4789408 (1988-12-01), Fitzsimmons
patent: 4863224 (1989-09-01), Afian et al.
T. G. Stern, Proceedings 18th IECEC, Orlando, Fla., Aug. 1983, pp. 1334-1338.

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