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Solar cell module

A solar cell and electrical connection technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as defects and end cracks of solar cells, and achieve the effect of inhibiting damage

Active Publication Date: 2011-07-20
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there are following problems in the manufacturing process of the solar cell module. When the end portion of the solar cell is in contact with the wiring member, the stress is concentrated on the end portion of the solar cell, which will cause cracks at the end portion of the solar cell. defect

Method used

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Embodiment

[0069] Hereinafter, embodiments of the solar cell module of the present invention will be specifically described, but the present invention is not limited to the contents described in the following embodiments. It can be appropriately modified and implemented within the range not changing the gist.

[0070] (Example)

[0071] use Figure 5 In the mold shown, two bent portions are formed in the center portion of the linear wiring material. One of the curved portions has a curvature radius of 200 μm, and the other curved portion has a curvature radius of 500 μm. Prepare 18 such wiring parts.

[0072] Next, 10 solar cells having a square of about 100 mm and a thickness of 200 μm were prepared. Fifty thin-wire electrodes with a line width of 80 μm and two connection electrodes with a line width of 1.5 mm were formed on the light-receiving surface of the solar cell.

[0073] Next, one end of the wiring member is connected to the connection electrode formed on the light-receivi...

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Abstract

In a solar cell module (100), a wire material (11) has a first curved part (11A) and a second curved part (11B) which are formed between solar cells (10). The second curved part (11B) which has a large interval with a neutral plane (N) has a radius of curvature larger than that of the first curved part (11A).

Description

technical field [0001] The present invention relates to a solar cell module including a plurality of solar cells connected to each other using wiring members. Background technique [0002] Since solar cells can directly convert the clean and unlimited supply of sunlight energy into electrical energy, they are expected as new energy sources. [0003] In general, the output of each solar cell is about several W. Therefore, when solar cells are used as power sources in homes, buildings, etc., a solar cell module in which output is increased by connecting a plurality of solar cells is used. [0004] A plurality of solar cells are arranged along the arrangement direction. A plurality of solar cells are electrically connected to each other by wiring members. Specifically, the wiring members are arranged along the alignment direction on the light-receiving surface of one solar cell and the back surface of another solar cell adjacent to one solar cell. Therefore, the wiring memb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/04H01L31/042
CPCH01L31/0508H01L31/05Y02E10/50H01L31/048H01L31/049
Inventor 吉岭幸弘桥本治寿神野浩福持修司
Owner SANYO ELECTRIC CO LTD
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