Solar Power is the Future: How Solar PV Technology is Changing the Energy Landscape
Solar photovoltaic (PV) technology directly converts sunlight into electricity using solar panels, also known as solar modules. A solar panel consists of several solar cells that contain a photovoltaic material like silicon, cadmium telluride, or copper indium gallium selenide. When sunlight shines on these materials, electrons flow, generating direct current (DC) electricity. Individual solar cells are interconnected and encapsulated together into a solar panel. Solar panels can be combined into solar arrays to provide more electricity.
Solar Panel Components and How They Work Together
A typical Solar PV Panels is made up of several key components. Solar cells are the basic building blocks that absorb sunlight and generate electricity. Groups of 60 solar cells are electrically interconnected and encapsulated between sheets of glass on the front and a backing material like plastic on the back. The solar cells are encased in an aluminum frame for structural support. Junction boxes attached to the frame allow the electricity generated to be combined and transported for use. When sunlight falls on the solar cells, photons are absorbed and electrons dislodge from atoms, creating an electrical current. Diodes allow the electric current to flow in only one direction from the solar panel towards the external wiring so the power can be used.
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