Reversible coloring photovoltaic welding belt and photovoltaic assembly

Abstract

The invention relates to a reversible coloring photovoltaic welding belt. The photovoltaic welding belt comprises a welding belt matrix, a metal coating layer and a coloring layer, wherein the weldingbelt matrix is packaged with the metal coating layer in an electroplating manner, the metal coating layer is divided into an upper metal coating layer, a lower metal coating layer and a side wall metal coating layer according to the relative position of the welding belt; only the upper metal coating layer and the side wall metal coating layer are covered with the coloring layer; a reversing partis arranged on the welding belt matrix; the thickness of the welding belt matrix is h1, and the width of the welding belt matrix is w1; and the thickness of the reversing part is h2, and h2 is more than or equal to 1 / 2h1 and less than or equal to 2 / 3h1. The reversible coloring photovoltaic welding belt has the beneficial effects that on one hand, the production cost of the photovoltaic welding belt is lowered; on the other hand, the good welding performance of the photovoltaic welding belt is good, and the welding defects are avoided; and furthermore, compared with the welding belt matrix, thereversing part has a relatively small strength value, so that the situations that a solar battery piece is warped and broken in a long-term use process are avoided.

Description

technical field [0001] The invention relates to the field of photovoltaic technology, in particular to a twistable colored photovoltaic ribbon and a photovoltaic module. Background technique [0002] Soldering ribbon is a soldering material used on solar cell modules, which mainly plays the role of connecting and conducting electricity. After the traditional ribbon is applied to the solar cell module, the natural color of the ribbon substrate is inconsistent with the color of the solar cell and the backsheet of the photovoltaic module, which affects the aesthetics of the photovoltaic module. In addition, in the use of solar cell components, in some buildings with high appearance requirements, it is expected that the cells and even the whole component will present a color. The existing solution to the problem is to coat the surface of the ribbon substrate with a colored layer. However, the existence of the colored layer will have a certain impact on the welding performance, ...

AI Technical Summary

Problems solved by technology

The existing solution to the problem is to coat the surface of the ribbon substrate with a colored layer. However, the existence of the colored layer will have a certain impact on the welding performance, and it is prone to false welding, which affects the photoelectric conversion efficiency of the photovoltaic module.

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