Converging solar cell element

Details Converging solar cell element Converging solar cell element

1997-10-08

1999-10-05

Diamond, Alan

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136259, 126684, 126698, 257465, 257466, 257432, 257436, H01L 3106

Patent

active

059617420

ABSTRACT:
For a converging solar cell element capable of preventing excessive concentration of converged sunlight to one point without lowering the degree of light convergence, a p+ layer 14 and an n+ layer 12 are formed on the rear surface of a silicon substrate; a positive pole 16 and a negative pole 18 are formed in response to the respective layers; and, on the front surface side, a light receiving surface 24 is formed with a bank portion 28 which enhances intensity in the surrounding area. In the central portion of the light receiving surface 24, a projected portion 26 is formed, which scatters converged sunlight and prevents the concentration of converged sunlight to one point.

REFERENCES:
patent: 4133698 (1979-01-01), Chiang et al.
patent: 5641362 (1997-06-01), Meier
Hu et al, Solar Cells. From Basic to Advanced Systems. McGraw-Hill, pp. 96-97. (month unknown), 1983.

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