A photovoltaic interconnection bar

An interconnection, photovoltaic technology, applied in the field of solar photovoltaic, can solve problems such as reducing the utilization rate of light energy

Active Publication Date: 2019-03-29
SUZHOU TALESUN SOLAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The interconnection bar blocks the light-receiving area of ​​the cell when connecting the cells, and the smooth surface of the interconnection bar reflects back the light irradiated on the surface of the interconnection bar, thereby reducing the utilization rate of light energy

Method used

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  • A photovoltaic interconnection bar

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Embodiment Construction

[0015] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

[0016] Refer to attached figure 1 As shown, a photovoltaic interconnection strip, after packaging, the photovoltaic interconnection strip is located between the glass panel 1 and the solar cells 5 . The photovoltaic interconnection strip includes a base strip 3, and the base strip 3 has a front surface for receiving light and a back surface for connecting solar cells. The photovoltaic interconnection strip also includes a silver plating layer 2 covering the front of the base strip 3 and a tin plating layer 4 covering the back of the base strip 3 . The front side of the silver plating layer 2 protrudes outwards away from the base strip 3 to form an arc-shaped curved surface. The lines connecting the centers of the arcs ...

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Abstract

The invention provides a photovoltaic tabbing ribbon which is low in resistivity and great in light reflecting effect. The photovoltaic tabbing ribbon comprises a baseband which is provided with a front surface used for receiving light and a back surface used for connecting a solar cell. The photovoltaic tabbing ribbon also comprises a silver coating layer which covers the front surface of the baseband and a tin coating layer which covers the back surface of the baseband. The front surface of the silver coating layer outwardly protrudes to form a curved surface in a way of opposing the baseband. The connecting line of the center of the circle of all the curved lines forming the curved surface extends along the length direction of the tabbing ribbon.

Description

technical field [0001] The invention relates to the field of solar photovoltaics, in particular to a photovoltaic interconnection strip. Background technique [0002] Recently, with the implementation of the photovoltaic leader plan, the photovoltaic industry and research institutions have paid more attention to the power improvement of photovoltaic modules. Among them, the improvement of the interconnection material of the battery sheet can increase the overall output power of the module more quickly. As the industry matures, high-efficiency components are bound to become mainstream in the industry. The component is to connect single cells with interconnection strips and package them into a power generation unit. The traditional interconnection bar mainly adopts the structure of copper substrate coated with tin alloy layer. The coating material is usually Sn60% / Pb40%, Sn63% / Pb37%, and the coating thickness is 0.02-0.04mm. The resistivity is as high as (3.0uΩ.cm), which co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/05H01L31/054
CPCY02E10/52
Inventor 倪志春吕锋李淳慧陈国清魏青竹
Owner SUZHOU TALESUN SOLAR TECH CO LTD
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