Solar cell synergistic film

Abstract

The invention discloses a solar battery synergy membrane which is characterized by consisting of a transparent membrane structure, on the surface of which focus lenticule structures are distributed; the parallel sunlight can be focused on the photosensitive area of the surface of the solar battery by the array of lenticules, therefore, the photon density on the surface of the photosensitive area is increased, which is equivalent to the reduction of the area of the photosensitive area to the same output power, thus effectively improving conversion efficiency and reducing production costs; and with the flexion reflection and refraction of the array of lenticules, the light reflected by the surface of the solar battery can be reflected to the photosensitive area, thus improving the utilization rate of the light. No obvious temperature change takes place on the solar battery, and therefore the fill factors and service life of the solar battery are not reduced.

Description

technical field [0001] The invention relates to a component of a solar cell, in particular to a solar cell synergistic film, which has a structure for improving the conversion efficiency of the solar cell. Background technique [0002] Solar energy is a huge energy source that is non-polluting to the environment. The solar energy that the earth obtains every second is equivalent to the energy emitted by burning 5 million tons of high-quality coal. Using the photovoltaic effect to directly convert solar energy into electrical energy is the most promising way to utilize solar energy. Solar battery is a kind of renewable green energy, with long working life (the assembled battery can be used for more than 20 years), simple and compact structure, high specific power (ratio of power to device weight), convenient and reliable operation, no need to run and Advantages such as maintenance costs. It is of great significance to solve the current increasingly serious energy shortage a...

AI Technical Summary

Problems solved by technology

In order to increase the power generation of solar energy, the traditional method is to expand the area of ​​solar panels, and the price of solar panels is very expensive, which makes the cost of solar cells very high and restricts the development of the solar cell industry

In addition, the high light intensity generated by the concentrating system can also increase the short-circuit current of the solar cell and effectively reduce the cost, but the temperature of the solar cell will increase while concentrating the light, and the open-circuit voltage of the solar cell will decrease. If it is reduced, its conversion efficiency will also be reduced; moreover, the uneven light intensity received on the same solar cell chip will reduce its fill factor, thereby affecting cell efficiency and life, and will eventually lead to an increase in cost

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