Solar cell

Details Solar cell Solar cell

H - Electricity

01

L

345/22

H01L 31/04 (2006.01) H01L 27/142 (2006.01) H01L 31/0352 (2006.01)

Patent

CA 1088191

IMPROVED SOLAR CELL ABSTRACT OF THE DISCLOSURE An improved solar cell designed for optimum efficiency is comprised of a plurality of series connected unit solar cells formed from a common substrate of semiconductor material. Each unit solar cell has spaced elongate sidewalls, and a "dead space" area between adjoining sidewalls of adjacent units is made substantially smaller than an active, light receiving area, extending between the opposite side- walls of each individual unit. In addition, the width of the active area is concisely limited to ensure that radiation incident on the active area is incident at a point which is spaced from the p-n junction of each unit by no more than a predetermined optimum distance. Reducing the "dead space" area while concisely limiting the width of the active area provides improved solar cell performance without requiring focusing lenses.

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