A highly integrated backup power solution for solar home energy...
Photovoltaic module type
The photoelectric conversion efficiency of monocrystalline silicon solar cells is about 17%, the highest reached 24%, which is the highest photoelectric conversion efficiency of all kinds of solar cells, the initial production cost is very large, but with the maturity of technology, the price has been similar to polycrystalline. Because monocrystalline silicon is generally packaged with tempered glass and waterproof resin, it is robust and durable, and its service life is generally up to 15 years, up to 25 years.
The production process of polycrystalline silicon solar cells is similar to that of monocrystalline silicon solar cells, but the photoelectric conversion efficiency of polycrystalline silicon solar cells is reduced a lot, and its photoelectric conversion efficiency is about 12% (July 1, 2004, Japan Sharp listed efficiency of 14.8% of the world's highest efficiency polycrystalline silicon solar cells). In terms of production cost, it is cheaper than monocrystalline silicon solar cells, the material is simple to manufacture, saves power consumption, and the total production cost is low, so it has been developed in large numbers. In addition, the service life of polycrystalline silicon solar cells is shorter than that of monocrystalline silicon solar cells. In terms of performance-price ratio, monocrystalline silicon solar cells are slightly better.
Amorphous silicon solar cell is a new type of thin-film solar cell appeared in 1976, it is completely different from the production method of monocrystal silicon and polysilicon solar cells, the process is greatly simplified, silicon material consumption is little, lower power consumption, its main advantage is that it can also generate electricity in low light conditions. However, the main problem of amorphous silicon solar cells is that the photoelectric conversion efficiency is low, the international advanced level is about 10%, and it is not stable enough, and its conversion efficiency decreases with the extension of time.
Multicompound solar cells are solar cells that are not made of a single element semiconductor material. There are many varieties studied In various countries, most of which have not yet been industrialized, mainly the following: a) cadmium sulfide solar cells b) gallium arsenide solar cells c) copper indium selenium solar cells (new multi-band gap gradient Cu(In, Ga)Se2 thin film solar cells.
Home energy storage product series
A lithium battery pack for home energy storage systems, which is compatible with solar panels and the sun The inverter can work together with the power grid to power household appliances, and it can also be used as a For off grid systems.
Extended reading
Photovoltaic controller
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Photovoltaic inverter
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Photovoltaic connector
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