Solar cell module

A technology of solar cells and components, applied in the field of solar cells, can solve problems such as PID, achieve the effects of avoiding PID, ensuring normal power output, and not easy to passivate

Active Publication Date: 2014-03-19
YINGLI ENERGY CHINA
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  • Abstract
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Problems solved by technology

[0003] The present invention aims to provide a solar cell assembly to solve the problem of PID phenomenon in the solar cell assembly in the prior art

Method used

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  • Solar cell module

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Embodiment Construction

[0018] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] Such as figure 1 As shown, the solar cell assembly of this embodiment includes a backsheet layer 10, a first encapsulation material layer 20, a battery sheet layer 30, a second encapsulation material layer 40 and a glass layer 50 stacked in sequence, and the second encapsulation material layer 40 includes The upper encapsulation material layer 41 , the lower encapsulation material layer 43 and the barrier layer 42 for preventing the metal cations of the glass layer 50 from entering the cell layer 30 , the barrier layer 42 is arranged between the upper encapsulation material layer 41 and the lower encapsulation material layer 43 .

[0020] Applying the solar cell assembly of this embodim...

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Abstract

The invention provides a solar cell module. The solar cell module comprises a backboard layer (10), a first packaging material layer (20), a cell sheet layer (30), a second packaging material layer (40) and a glass layer (50) which are successively superposed. The second packaging material layer (40) comprises an upper packaging material layer (41), a lower packaging material layer (43) and a barrier layer (42) used for preventing metal cations of the glass layer (50) from entering into the cell sheet layer (30). The barrier layer (42) is arranged between the upper packaging material layer (41) and the lower packaging material layer (43). By using the technical scheme of the invention, a problem of a PID phenomenon existing in the solar cell module in the prior art is effectively solved.

Description

technical field [0001] The present invention relates to the technical field of solar cells, in particular to a solar cell component. Background technique [0002] As a new green renewable energy source, solar energy has the characteristics of zero carbon dioxide emission and inexhaustible energy sources. How to ensure the actual power generation output of solar cells has become an important research topic for human energy strategy. With the continuous expansion of the installation scale of photovoltaic power plants, the differences and uncertainties between installation and use environments are gradually emerging. In the process of monitoring photovoltaic power plants, the phenomenon of potential induced degradation (PID) that leads to a significant decrease in the power of solar cell modules has been discovered. . The above-mentioned phenomenon was first discovered on a large scale in 2005. The most representative example is that Sunpower, a well-known American manufacture...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048
CPCY02E10/50H01L31/02167H01L31/0481
Inventor 倪健雄李高非韩帅万志良陈坤
Owner YINGLI ENERGY CHINA
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