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Solar Cells
Solar Cells
Production of solar cells.

In solar cells, usually made of silicon, positive and negative charge carriers flow freely when light strikes the surface of the cell (Photoelectric Effect), producing direct current (DC) which can then be used to power motors or charge batteries. If Solar power is to be used by consumers with 110 V alternating current (AC), or if it shall be directly fed into the grid and ‘sold’ (Grid Coupling), then an Inverter is needed.

Efficiency of a solar cell made of single-crystal silicon: about 24 % (laboratory) and 14 to 17 % (production)

Efficiency of a solar cell made of polycrystalline silicon: about 18 % (laboratory) and 13 to 17 % (production)

Efficiency of a solar cell made of amorphous silicon: about 13 % (laboratory) and 5 to 7 % (production)

Efficiency of a solar cell made from CIS thin film technology: about 13 % (laboratory) and 8 to 10 % (production)

Further information

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