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Photovoltaic module

A photovoltaic module and module technology, applied in photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problems that the efficiency of solar cells cannot be greatly improved, so as to improve power supply efficiency, save production costs, and reduce the path Effect

Active Publication Date: 2012-10-03
HAINAN YINGLI NEW ENERGY
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Problems solved by technology

[0004] Since the efficiency of existing solar cells is difficult to be greatly improved, therefore, in order to improve the power supply efficiency of photovoltaic modules, reducing the power supply loss of photovoltaic modules has become the first choice when the efficiency of solar cells is fixed, so how to Reducing the power loss of photovoltaic modules is an important development direction in the field of photovoltaic power generation

Method used

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] As mentioned in the background art, how to reduce the power transmission loss of photovoltaic modules is an important direction for the development of existing solar cells.

[0031] The inventors have found through research that by adding a junction box, the use of busbars can be reduced, thereby reducing the power transmission loss of...

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Abstract

The invention discloses a photovoltaic module, which comprises n solar battery sets, wherein the solar battery sets are arranged in the same direction, each solar battery set comprises two solar battery strings and a junction box; two solar battery strings which are located in the same solar battery set are connected to a first end of the solar battery set, two solar battery strings which are located in different solar battery sets are connected to a second end of t he solar battery set, the junction box is arranged on the second end of the solar battery set and is connected with the two solar battery strings which are located in the same solar battery set, and the junction boxes are mutually connected with one another in serial; and the n is a positive integer more than 2. Due to the adoption of the photovoltaic module, a convergence strip needed for collectively joining the solar battery sets into the intermediate junction box can be saved, the transmission path of the current can be reduced, so that the transmission loss of the power can be reduced, and the power supply efficiency of the photovoltaic module can be improved.

Description

technical field [0001] The invention belongs to the field of photovoltaic power generation, and in particular relates to a photovoltaic module. Background technique [0002] In recent years, the production technology of solar cells has been continuously improved, the production cost has been continuously reduced, and the conversion efficiency has been continuously improved, making the application of photovoltaic power generation increasingly popular and developing rapidly, and gradually becoming an important source of power supply. Solar cells can convert light energy into electrical energy under sunlight irradiation to realize photovoltaic power generation. [0003] The production process of solar cells is relatively complicated. Simply put, the current production process of solar cells mainly includes: texturing, diffusion, etching, coating, printing and sintering. In the actual application of solar cells, it is necessary to connect a large number of solar cells to form a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/05
CPCY02E10/50
Inventor 刘仁
Owner HAINAN YINGLI NEW ENERGY
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