The principle of solar photovoltaic power generation, in simple terms, is to use solar cells to absorb natural light with a light wavelength of 0.4μm to 1.1μm (for silicon crystals), and to immediately convert light energy into electromagnetic energy output. Because the electricity generated by solar cells is a DC power source, if you want to show the power project to household appliances or various household appliances, you need to modify the direct/communication AC converter and replace it with AC current before the power supply system can be used for household electricity. Or commercial electricity.
The charging development of solar batteries is used in consumer products, and most of them have charging problems. In the past, the general charging target was nickel-metal hydride or nickel-cadmium batteries. However, nickel-metal hydride batteries cannot withstand high temperatures, and nickel-cadmium batteries have environmental pollution. problem. Supercapacitors are developing rapidly, the volume is super-large, the total area is reduced, and the quality is low, so some new energy products have just begun to use supercapacitors as the charging target, so many problems of solar chargers have been improved: 1, Charging is faster; 2. Long life is more than 5 times; 3. Charging temperature range is wider; 4. Reduce the usage of solar cells (low-voltage charging)
Silicon solar cells are generally made of P+/N-type structure or N+/P-type structure. P+ and N+ indicate the conductivity type of the semiconductor device on the front side of the solar cell; N and P indicate the semiconductor device on the backside of the solar cell. Type of conductivity. The electrical performance of solar cells is related to the characteristics of semiconductor devices commonly used in the production of rechargeable batteries. The technical parameters of solar cells are composed of open-circuit voltage, short circuit capacity, greater power, fill factor, and high conversion efficiency. This main parameter is an indicator of the merits of solar cell characteristics.
The above explained is the principle of solar cell power generation, I hope it will be helpful to you after reading it.
