Principles Of Flexible Solar Cells

Flexible solar cell is a kind of thin film solar cell, which has advanced technology, excellent performance, low cost and wide applications. It can be applied to solar backpacks, solar convertibles, solar flashlights, solar cars, solar sailboats, and even solar airplanes. An important application field of flexible solar energy is BIPV (Building Integrated Photovoltaic), which can be integrated into windows or roofs, exterior walls, or interior walls.
Battery principle
Photoelectric effects can occur when ultraviolet light is irradiated on a metal surface. As Einstein concluded, free electrons are generated because the photon energy of incident light is greater than the binding energy of electrons. The function of solar cells is to convert sunlight into voltage and current, which is a photoelectric conversion.
The efficiency of the photovoltaic effect is much higher than that of the photoelectric effect. Because in solar cells where photovoltaic effects occur, two types of semiconductors with opposite polarity form a p-n junction, forming a built-in electric field that drives electrons into the circuit, creating voltage and current in the circuit.