Reflective ribbon and solar modules
A technology of solar modules and reflective ribbons, which is applied in the field of solar photovoltaic power generation, can solve the problems of uneven distribution of tin coating, defective components, high scrap rate, etc., and achieve good light scattering effect, stable and easy combination, and extended storage period Effect
Active Publication Date: 2017-01-04
SUZHOU TONYSHARE ELECTRONICS MATERIALS TECH
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AI Technical Summary
Problems solved by technology
[0003] Existing solar cell modules include reflective ribbons. The structure of the existing reflective ribbons is not reasonable enough, and the effect of light divergence is not ideal.
And generally the surface of the reflective soldering tape needs to be provided with a tin-plated layer, but the composition of the current tin-plated layer is defective, which leads to a high scrap rate in the tin-plating process, and the distribution of the tin-plated layer on the surface of the copper substrate is uneven, and it is not easy to integrate with the copper substrate. Strong combination
Furthermore, the existing reflective ribbons are not easy to store, and are easily damaged and invalidated by environmental influences
Method used
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as figure 1 As shown, the reflective soldering tape of the present invention includes a copper base 1, and the copper base 1 includes a plurality of raised structures 3 for changing the propagation direction of the light path, and the number of raised structures 3 can be 2, 3, or 5 , 10 and so on. Each protruding structure can scatter and reflect light, which is beneficial to make full use of light. Between two adjacent protruding structures 3 is a groove 6, the protruding structure includes two slopes and the cross section of each protruding structure 3 is an isosceles triangle, the bottoms of each protruding structure are connected to each other, each protruding structure The top surface of the structure is an arc surface, and the outer surface of the copper substrate is provided with a tin-plated layer 2;
[0024] The material...
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The invention discloses a light reflecting welding strip and a solar assembly. With the light reflecting welding strip adopted, full utilization of a light source by the solar assembly to generate power can be benefitted. The solar assembly includes a glass plate, an EVA layer, the light reflecting welding strip and a solar cell sheet; the light reflecting welding strip comprises a copper substrate; the copper substrate includes a plurality of raised structures for changing the transmission direction of an optical path; a groove is formed between every two raised structures; the raised structure comprises two slopes; the cross-section of the raised structure is an isosceles triangle; the bottoms of the raised structures are connected with each other; the top surfaces of the raised structures are circular arc surfaces; and the outer surfaces of the copper substrate is provided with a tinned layer.
Description
technical field [0001] The invention relates to the field of solar photovoltaic power generation, in particular to a reflective welding strip and a solar module. Background technique [0002] Solar cell, also known as "solar chip" or "photovoltaic cell", is a kind of photoelectric semiconductor sheet that uses sunlight to generate electricity directly. As long as it is illuminated by light, it can output voltage instantly and generate current with a loop. In Physically known as solar photovoltaic.Solar cells are devices that directly convert light energy into electrical energy through the photoelectric effect or photochemical effect. [0003] Existing solar cell modules include reflective soldering tapes, but the structure of the existing reflective soldering tapes is not reasonable enough, and the light divergence effect is not ideal. And generally the surface of the reflective soldering tape needs to be provided with a tin-plated layer, but the composition of the current ...
Claims
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IPC IPC(8): H01L31/05H01L31/054
CPCY02E10/52
Inventor 陆利斌宋建源
Owner SUZHOU TONYSHARE ELECTRONICS MATERIALS TECH