Composite coverglass for solar cell

Details Composite coverglass for solar cell Composite coverglass for solar cell

1988-08-22

1990-03-20

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

357 30, H01L 3106

Patent

active

049098560

ABSTRACT:
A photovoltaic device is formed of a module of photovoltaic material, the module including electrodes disposed on the material for extraction of electric power produced by interaction of the material with radiation, particularly solar radiation. A coverglass system is disposed on a surface of the module facing incident radiation to protect the module from high energy particles. The coverglass system is formed of a glass sheet disposed parallel to a surface of the module, and a slab or a plurality of glass slabs which are disposed in a side-by-side array along the module surface between the module and the sheet. The slabs are thicker than the sheet, typically by a factor of two, and are formed of fused silica to provide a sufficient mass for stopping high energy particles such as those which may be encountered in a spaceship traveling through a Van Allen belt. Adhesive layers may be employed for bonding the slabs together as well as to the module and to the sheet, in which case, the sheet is formed of a borosilicate glass which attenuates ultraviolet radiation so as to protect the adhesive layers from degradation by ultraviolet radiation.

REFERENCES:
patent: 4151005 (1979-04-01), Strebkov et al.
T. Hayashi et al., Conference Record, 19th IEEE Photovoltaic Specialists Conf., (1987), pp. 475-478.

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