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Coplanar equipotential parallel connection type photovoltaic module battery piece

A photovoltaic module, equipotential technology, applied in photovoltaic power generation, electrical components, circuits, etc., can solve the problems of increasing the cost of shingled module products, waste of raw materials, etc., and achieve the effect of avoiding waste of raw materials, reducing production costs, and meeting application requirements

Pending Publication Date: 2021-04-16
SERAPHIM SOLAR SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the cell slicing of shingled modules, due to the chamfers of the mainstream 6-inch cells in the market, the remaining chamfers after cutting are generally treated as waste, resulting in waste of raw materials, and the manufacturing cost of cells is much higher than Other raw materials for photovoltaic modules have greatly increased the product cost of shingled modules

Method used

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  • Coplanar equipotential parallel connection type photovoltaic module battery piece
  • Coplanar equipotential parallel connection type photovoltaic module battery piece
  • Coplanar equipotential parallel connection type photovoltaic module battery piece

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Embodiment Construction

[0028] figure 1 Shown is a schematic diagram of the overall typesetting structure of the present invention, including a main unit 1. The main unit 1 is composed of five main battery bars 11 cut from 5-inch battery sheets. The main battery bar 11 is a rectangular shape composed of long sides and short sides , the five main battery bars 11 are connected in parallel with the same potential at the same plane, and the adjacent main battery bars 11 are connected in parallel in a parallel manner, figure 2 The main battery bar 11 shown includes seven main grid electrodes 1-1 in the middle, which are used to collect photo-generated carriers generated by crystalline silicon (the front side of the battery bar is photo-generated electrons, and the back side of the battery bar is photo-generated holes), and then passes through the main battery bar. The interconnection bars or ribbons welded on the grid electrodes 1-1 carry out charge transmission, thereby realizing the parallel connection...

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Abstract

The invention relates to a coplanar equipotential parallel connection type photovoltaic module battery piece. The photovoltaic module battery piece comprises a main body unit, secondary units are symmetrically arranged on the two sides of the main body unit, and complementing units are arranged at unfilled corners formed after the secondary units and the main body unit are spliced. The light-facing surfaces of the complementing units, the secondary units and the main body unit are used as negative electrode coplanar equipotential output surfaces, and photon-generated carriers collected by a main gate electrode are transmitted to a negative electrode confluence terminal through a solder strip. According to the invention, the chamfered battery pieces for cutting excess materials are fully utilized, so that the waste of raw materials is avoided, and the production cost of the photovoltaic module is reduced; the photovoltaic module battery piece is formed by connecting a plurality of battery strip single bodies with small light receiving areas in parallel, so that the power loss caused by current transmission is reduced, and the output voltage is improved; and meanwhile, in the application of the product, as the size of the battery pieces arranged and designed by the photovoltaic modules is small, the flexible design of the size and the model of a small assembly can be realized.

Description

technical field [0001] The invention relates to a photovoltaic module, in particular to a photovoltaic module battery sheet connected in parallel with the same potential at the same plane. Background technique [0002] With the environmental pollution caused by coal power generation, the development and utilization of renewable energy technology has become the main topic of research in the field of new energy. Because solar energy is clean and environmentally friendly, has no geographical restrictions, and is inexhaustible, research on various solar power generation technologies has become a research hotspot for major photovoltaic companies, universities, and research institutes around the world. With the continuous development of photovoltaic technology, crystalline silicon photovoltaic technology takes the lead due to its unique stability advantages, and occupies a very important market share of new energy. [0003] With the in-depth development of photovoltaic technology...

Claims

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Application Information

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IPC IPC(8): H01L31/042H01L31/05
CPCY02E10/50
Inventor 黄斌郭晓珍查晓晓梅丹凤
Owner SERAPHIM SOLAR SYST
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