414 Manufacture of Solar Cells and Panels

Manufacture of crystalline silicon solar cells is an outgrowth of the manufacturing methods used for microprocessors. A major difference is that the silicon used in microprocessors must be ultra pure; PV cells do not require this. Consequently, a large source of feedstock for silicon solar cells has been the waste material from the microelectronics industry. Solar cells are also manufactured as polycrystalline and thin films. This section briefly describes some of the common methods of manufacture of silicon solar cells.

FIGURE 4.7

PV cell efficiency for several practical materials.

FIGURE 4.7

PV cell efficiency for several practical materials.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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