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Component for improving power generation efficiency of n-type monocrystalline silicon photovoltaic cells and manufacturing method thereof

A photovoltaic cell and manufacturing method technology, applied in photovoltaic power generation, electrical components, final product manufacturing, etc., can solve the problem of low solar energy conversion efficiency and low power generation efficiency, and achieve the effects of improving light receiving rate, increasing refractive index, and improving power generation efficiency

Inactive Publication Date: 2011-12-07
BAODING TIANWEI YINGLI NEW ENERGY RESOURCES
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Problems solved by technology

[0004] Traditional solar photovoltaic cells usually generate power by absorbing sunlight on the front of the solar cell, but the solar conversion efficiency and power generation efficiency of this cell are not high. With the development of solar cell technology and the thirst for new energy, the The power generation efficiency of solar cells puts forward higher requirements

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  • Component for improving power generation efficiency of n-type monocrystalline silicon photovoltaic cells and manufacturing method thereof
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  • Component for improving power generation efficiency of n-type monocrystalline silicon photovoltaic cells and manufacturing method thereof

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Embodiment Construction

[0035] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0037] As described in the background art, in order to improve the power generation efficiency of solar cells, a double-sided solar photovoltaic cell that can generate power on both the front and back sides of the solar cell has been proposed.

[0038] In order to generate electricity from the reverse side of t...

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Abstract

The embodiment of the present invention discloses a component for improving the power generation efficiency of N-type monocrystalline silicon photovoltaic cells, including: a back plate; a lower adhesive film on the back plate, and the lower adhesive film includes a first adhesive film layer, a second The adhesive film layer and the reflective film layer between the first adhesive film layer and the second adhesive film layer, wherein the reflective film layer is formed by mixing polyhedral glass in the film material; Photovoltaic cells arranged at intervals; adhesive film on photovoltaic cells; glass plate on adhesive film. Polyhedral glass is mixed in the adhesive film material to form a reflective film layer in the lower adhesive film. Since the polyhedral glass in the reflective film layer has multiple reflective surfaces, the refractive index of sunlight can be effectively improved, and the reflective film layer will After multiple reflections and refractions, sunlight enters the back of the photovoltaic cell, thereby increasing the light receiving rate on the reverse side of the photovoltaic cell, thereby improving the power generation efficiency of the photovoltaic cell.

Description

technical field [0001] The invention relates to a monocrystalline silicon photovoltaic cell and its manufacturing technology, more specifically, to a component for improving the power generation efficiency of an N-type monocrystalline silicon photovoltaic cell and a manufacturing method thereof. Background technique [0002] With the rapid development of science and technology and economy, the use of energy is also increasing, and the raw materials such as oil, natural gas, and coal used in large quantities today are all primary energy, and they will eventually be exhausted. In order to achieve sustainable development, we must To use new energy, especially renewable energy. Among them, solar energy is a renewable green energy, how to better develop and utilize solar energy has become one of the most important topics in energy research. [0003] A solar photovoltaic cell is a device that directly converts light energy into electrical energy through the photoelectric effect. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0216H01L31/048H01L31/18
CPCY02E10/50Y02P70/50
Inventor 王士元
Owner BAODING TIANWEI YINGLI NEW ENERGY RESOURCES
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