A high-efficiency photovoltaic heterogeneous ribbon

Abstract

A high-efficiency photovoltaic isomerism solder strip, comprising a conductive baseband (1). The conductive baseband (1) is of a pure metal or alloy material, and has upper and lower wide surfaces. A V-shaped groove (3) and a coupling platform (4) are distributed on at least one of the wide surfaces of the conductive baseband (1). The depth h of the V-shaped groove (3) is 0.055 mm < h < 0.15 mm. The coupling platform (4) is a platform of which the diameter of the maximum inscribed circle is not less than 0.10 mm and the maximum length along the length direction of the conductive baseband (1) is less than 50 mm. By means of preparing an optimally designed V-shaped groove and a coupling platform on the surface of a conductive baseband, a customized design scheme with a high performance-cost ratio is provided for realizing the reuse of partial reflected light on the surface of a solder strip, the reduction of welding stress, the assurance of welding strength and the equalization of confluence electricity losses caused by grooving.

Description

technical field [0001] The invention belongs to the technical field of photovoltaic ribbon processing, and in particular relates to a high-efficiency photovoltaic heterogeneous ribbon. Background technique [0002] With the rapid development of the world economy, energy consumption is increasing, and all countries in the world need the application and popularization of new energy. As the greenhouse gas effect caused by carbon dioxide emissions causes global warming and causes natural disasters, the demand for clean and renewable energy is particularly strong in countries around the world. Since the global crisis caused by the subprime mortgage crisis in the United States in 2007 has spread and expanded, in order to stimulate economic growth, countries have adopted more active measures to encourage the use of renewable energy. The Obama administration of the United States proposed to invest 150 billion US dollars in clean energy in the next 10 years; the European Union set a...

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is: in order to reasonably ensure that the reflective multiplexing / stress reduction of the interconnection ribbon is realized through the surface heterogeneity of the conductive baseband of the interconnection ribbon, and to solve the problem of the difference between the heterogeneous ribbon and the battery sheet in the environment of the automatic stringer welding machine. The welding fastness between the joints is reduced / the risk of false welding is increased. The present invention provides a cost-effective high-efficiency photovoltaic system for simultaneously realizing partial reflective reuse of the surface of the welding strip, reducing welding stress, ensuring welding strength, and balancing the confluence power loss caused by slotting. Heterogeneous Ribbon

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