Solar cell and method for producing the same

Details Solar cell and method for producing the same Solar cell and method for producing the same

2007-11-13

2007-11-13

Nguyen, Nam (Department: 1753)

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

C136S252000, C438S057000

Reexamination Certificate

active

10470242

ABSTRACT:
A solar cell1has a number of grooves2formed in parallel with each other on a first main surface24aof a silicon single crystal substrate. An electrode6is formed on the inner side face of each groove2on one side. Each groove2is formed in the direction in disagreement with the <110> direction on the first main surface24a. This raises mechanical strength of the solar cell1. The direction of formation of the grooves2preferably crosses the <110> direction nearest to the direction of formation at an angle of 4°˜45° on the acute angle side.

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