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Solar Panel Structures Industrial Development
Xiamen Sunforson Power Co.,Ltd | Updated: Aug 16, 2017

The earliest solar cell is the monocrystalline silicon solar cells. Silicon is an extremely rich element of the earth, almost everywhere there is the existence of silicon, Solar panel structures can be said to be inexhaustible, with silicon to create solar cells, raw materials can be described as no shortage. But it is not easy to extract it, so people in the production of monocrystalline silicon solar cells at the same time, but also the study of polysilicon solar cells and amorphous silicon solar cells, commercial scale production of solar cells, Solar panel structures has not jumped out of the silicon series. In fact, for the manufacture of solar cells, a lot of semiconductor materials, with the development of the material industry, solar cell varieties will be more and more.

A solar cell is a device that responds to light and converts light energy into electricity. There are many kinds of materials that can produce photovoltaic effect, Solar panel structures such as: monocrystalline silicon, polycrystalline silicon, amorphous silicon, gallium arsenide, selenium and other copper. Their power generation principle is basically the same, now has a crystalline silicon as an example to describe the light power generation process. P-type crystalline silicon doped with phosphorus can be N-type silicon, the formation of P-N junction.

When the light is irradiated on the surface of the solar cell, a part of the photons are absorbed by the silicon material; the energy of the photon is transferred to the silicon atom so that the electrons are moved and the free electrons are formed on both sides of the PN junction to form a potential difference. Solar panel structures When the external circuit , Solar panel structures Under the action of this voltage, there will be a current flowing through the external circuit to produce a certain output power. The essence of this process is the process of converting photon energy into electrical energy.

When P-type and N-type semiconductors are combined together, a special thin layer is formed in the interface area of the two semiconductors. The electrons in the N region diffuse into the P region, and the holes in the P region diffuse into the N region. Once the diffusion is formed, Solar panel structures an "internal electric field" is formed by N, which prevents the diffusion from proceeding. Until it reaches the balance, Solar panel structures the formation of such a special thin layer to form the potential difference, which is PN junction.

Solar air conditioner. Japan's Sharp Electric Co., Solar panel structures Ltd. made this air-conditioning device, when the weather is clear, all the power from the sun, cloudy or cloudy when the use of general power. During the conversion by the control system automatically completed, it can make an 18 square meters of room temperature at about 20 ℃, and more than the average air conditioner to save electricity more than 60%.

Solar TV. Finnish solar TV developed as long as the daytime of the semiconductor silicon photovoltaic cell converter on the sunny windowsill, no power at night to watch the TV. Solar panel structures The converter stores the energy available for a TV with a working voltage of 12 volts for 3 to 4 hours. India developed solar TV, the energy absorption system as long as the work of 4 hours a day, even if no sun for 3 days, but also can receive the normal signal broadcast program.

Solar camera. Japan produced the world's first solar camera, Solar panel structures weighs only 475 grams, the machine is equipped with advanced solar cell system, the battery can be used continuously for 4 years. A US company produces a new 135 camera. Its aperture, the speed by the microcomputer automatic control, Solar panel structures electricity is provided by the solar selenium battery, as long as there is light can power.


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