High temperature photovoltaic cell

Details High temperature photovoltaic cell High temperature photovoltaic cell

1991-11-07

1992-05-26

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136256, 136262, 357 30, 357 72, 357 65, 357 67, H01L 31068, H01L 310304

Patent

active

051164272

ABSTRACT:
A photovoltaic device utilizing compound semiconductor materials that are stable when operated at high temperatures. Hostile environments, and in particular, thermally stressful environments such as those generated by use of light concentrating systems, require encapsulation of the device. Sealing of the photo-active junction, the conductive grid, the exposed semiconductor surfaces, and the pads contacting the grid away from the junction area provide such thermal stability. A heterojunction structure can be used along with barrier materials providing a conductive grid in contact with the photo-active surface thereby reducing interdiffusion of that surface with the conductive grid.

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