In 1839, when a 19-year-old French Becquerel did a physical experiment, he found that when two metal electrodes in a conductive liquid were irradiated with light, the current would be strengthened, thus discovering the "photovoltaic effect";
In 1930, Lange first proposed to use the photovoltaic effect to make "solar cells" to turn solar energy into electricity;
In 1932, Audubote and Stola made the first "cadmium sulfide" solar cell;
In 1941, Orr discovered the photovoltaic effect on silicon; in May 1954, Bell Labs, Chapin, Fuller and Pearson in the United States issued a monocrystalline silicon solar cell with an efficiency of 6%, which was the first practical solar cell in the world. valuable solar cells. In the same year, Wicker first discovered that silver arsenide has photovoltaic effect and deposited cadmium sulfide film on glass to make solar cells. The practical photovoltaic power generation technology that converts sunlight energy into electric energy was born and developed.
The second satellite launched by the United States in 1958 was the first application of solar cells in space.
In 1960, solar cells were connected to the grid for the first time, marking the official entry of photovoltaic power generation into the grid, and it became an electrical energy that people can use every day.
In 1973, the University of Delaware built the world's first photovoltaic residence.
In 1984, commercial amorphous silicon solar cell modules came out.
Singfo Solar provides a complete set of household photovoltaic systems, including inverters, modules and energy storage batteries, all of which have passed TUV certification and are of safe and reliable quality.