Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1984-07-31
1985-10-01
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136258, 136259, H01L 3104
Patent
active
045447985
ABSTRACT:
A photovoltaic panel for converting light into electrical energy has enhanced energy conversion efficiency stability. The panel includes a photovoltaic device having an active region formed from a semiconductor material which exhibits an energy conversion efficiency stability directly related to the operating temperature of the device. The panel also includes means for maintaining the operating temperature of the device upon exposure to light at an elevated temperature above the ambient temperature external to the device. The active region semiconductor material is preferably an amorphous semiconductor alloy such as, for example, an amorphous silicon alloy. The operating temperature elevating means can include a thermal insulating material such as glass wool, styrofoam, or cork applied to the back side of the device to minimize heat conduction from the device. The panel can also include an enclosure for enclosing the device having a transparent cover overlying the device to seal the enclosure and provide a still air space adjacent the device. The panel is thereby arranged to maintain the operating temperature of the device at a temperature which is from about twenty degrees Centigrade to about one hundred and fifty degrees Centigrade above the ambient temperature external to the device.
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H. S. Vilal et al., "Temperature Effects & Degradation Mechanisms of P-I-N Thin Film Si:H Solar Cells", Conf. Record, 17th IEEE Photovoltaic Specialists Conf., (1984), pp. 359-363.
Sovonics Solar Systems
Weisstuch Aaron
LandOfFree
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