Grooved solar cell for deployment at set angle

Details Grooved solar cell for deployment at set angle Grooved solar cell for deployment at set angle

1981-02-05

1983-04-12

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136246, 136255, 136256, 357 30, H01L 3106

Patent

active

043799442

ABSTRACT:
A grooved solar cell for deployment at a set angle with respect to incoming radiation has reduced contact obscuration and series resistance. A regular array of walls formed by grooves in a crystalline semiconductor substrate is exposed to incoming radiation. Metallic contacts are formed on those walls of the grooves which are not to be exposed to sunlight. The solar cell is mounted in an apparatus at a set angle with respect to incoming radiation. The array of walls is exposed to incoming radiation while the walls with metal contacts are substantially shadowed. In a preferred embodiment the grooves are formed by using orientation specific etches.

REFERENCES:
patent: 2320185 (1943-05-01), Lamb
patent: 3419434 (1968-12-01), Colehower
patent: 4135950 (1979-01-01), Rittner
patent: 4200472 (1980-04-01), Chappell et al.
R. R. Lucero, "The Ecliptic-Line V-Grooved Hyperjunction Cell," Conf. Record, 14th IEEE Photovoltaic Specialists Conf. (1980), pp. 1386-1387.
C. R. Baraona et al., "V-Grooved Silicon Solar Cells," Conf. Record, 11th IEEE Photovoltaic Specialists Conf. (1975), pp. 44-48.

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