Solar energy generally refers to the radiant energy of sunlight. The main forms of solar energy use are the three main methods of solar thermal conversion, photoelectric conversion and photochemical conversion. Solar energy in a broad sense is a source of many energy sources on Earth, such as wind energy, chemical energy, and potential energy of water, which are caused or converted into energy by solar energy.
The methods of using solar energy mainly include: solar cells, which convert the energy contained in sunlight into electric energy through photoelectric conversion; solar water heaters use the heat of sunlight to heat water and use hot water to generate electricity. Solar energy is clean and environmentally friendly, without any pollution, high utilization value, and solar energy has no energy shortage. Its various advantages determine its irreplaceable position in energy replacement.
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