From 1839, the French scientist Beckerer discovered the "photovoltaic effect". By 1954, American scientists Chabbin and Pilson made the first practical single crystal silicon solar cell, and then the photovoltaic power generation industry developed rapidly after the 1990s. The solar industry, which has gone through a hundred years of history, has not been limited to simple scenes such as ground power stations or solar water heaters, but has penetrated into the daily life of the public in a new product form, bringing new life styles and products to people. Experience.