We provide professional knowledge to let you understand solar lighting system, including outdoor solar lighting system
Do you know the principle of solar lighting system? We will introduce Solar cells and accumulators
In order to better use the battery in the photovoltaic system, its performance parameters should be considered when selecting the battery. The main parameters of the battery are as follows. (1) Electromotive force in the batteryThe internal electromotive force of the battery determines the output energy of the battery. For batteries of the same material, […]
The battery is an important part of the solar LED lighting system. Usually the solar LED lighting system operates independently of the power system. The energy storage link becomes a key issue for the performance of the system. Generally, energy storage components account for 30% to 50% of the total system cost. , Its charge […]
â‘ CrackCracking is a kind of undesirable phenomenon of solar cell modules, which refers to the phenomenon that the cells in the module have minute cracks that cannot be noticed by the naked eye after being packaged. The cell chip will expand under mechanical load, which may cause open circuit damage. If the crack is more […]
The power increase of solar cell modules is the main means to reduce costs and increase efficiency, and the power of modules also directly affects the promotion of solar energy systems and the return on investment. The general package structure of the module is: tempered glass, high-transmittance EVA-cell high-sun EVA-back plate, the above materials mainly […]
Thin-film solar cells are composed of semiconductor films deposited on glass, stainless steel, plastic, ceramic substrates or thin films with a thickness of several micrometers or tens of micrometers. Because of its thin semiconductor layer, it can greatly save battery materials and reduce production costs. Therefore, it is the most promising new type of solar […]
Crystalline silicon solar cells will still be the dominant photovoltaic device in the first 20 years of the 21st century, occupying the first place in the total production and application, and will develop in the direction of higher efficiency and lower cost. Since the introduction of practical solar cells in 1954, crystalline silicon solar cells […]
The development process of solar cellsSolar cells are the core technology that restricts the use of solar energy. Since the invention of solar cells in 1954, scientists around the world have made unremitting efforts and have now entered the third-generation development period. The first generation of solar cells uses wafer technology, and the material is […]
The performance of solar cells is very easily affected by the working environment, and irradiance, ambient temperature, particle radiation, etc. will all have an impact on the performance indicators of the battery. The influence of temperature and the influence of irradiance often exist at the same time. In order to ensure that the solar cell […]
Solar cell output power and fill factorThe output power of the solar battery is equal to the product of the current and voltage flowing through the battery, that is, according to the power definition formula P=UI, set P as a different constant, and substitute U and I to output the volt-ampere characteristic curve in the […]
The basic characteristics of solar cells: polarity/current-voltage characteristics Polarity of solar cellsSilicon solar cells usually have two types, N+ /P-type structure and P+ /N-type structure. When the solar cell is exposed to light, the polarity of the output voltage is: the side of the P-type electrode is positive, and the side of the N-type electrode […]