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Composite solar photovoltaic busbar and preparation method thereof

A solar photovoltaic and welding ribbon technology, which is applied in photovoltaic power generation, metal/alloy conductor, cable/conductor manufacturing, etc., can solve the problem of high cost

Inactive Publication Date: 2011-12-21
JIANGSU BOXINTAI PHOTOELECTRIC SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention is to solve the technical problem of the high cost of the preparation method of soft copper in the existing tin-coated copper conduction belt, and provide a composite solar photovoltaic confluence welding belt and a preparation method thereof

Method used

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  • Composite solar photovoltaic busbar and preparation method thereof
  • Composite solar photovoltaic busbar and preparation method thereof
  • Composite solar photovoltaic busbar and preparation method thereof

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specific Embodiment approach 1

[0011] Specific implementation mode one: (please refer to the attached figure 1 ) The composite solar photovoltaic converging ribbon of this embodiment is a parallel three-layer composite structural strip composed of the first copper layer 1, the aluminum layer 2 and the second copper layer 3. The width of the composite structural strip is 2 mm to 62 mm, and the thickness is 0.1 mm. mm~0.25mm, wherein the aluminum layer 2 is located in the middle, the first copper layer 1 and the second copper layer 3 are respectively located on the upper and lower sides of the aluminum layer 2, and the thickness of the aluminum layer 2 accounts for 50% to 80% of the thickness of the composite structure strip %, the contact rate between the first copper layer 1 and the aluminum layer 2 is greater than 99%, and the contact rate between the second copper layer 3 and the aluminum layer 2 is greater than 99%.

[0012] This embodiment breaks through the technical preparation of soft copper to solve...

specific Embodiment approach 2

[0013] Embodiment 2: This embodiment differs from Embodiment 1 in that the width of the composite structure belt is 5 mm to 58 mm, and the thickness is 0.15 mm to 0.20 mm. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0014] Embodiment 3: This embodiment differs from Embodiment 1 in that the width of the composite structure belt is 30 mm and the thickness is 0.18 mm. Others are the same as in the first embodiment.

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Abstract

The invention discloses a composite solar photovoltaic confluence welding band and a preparation method thereof, which relate to a solar photovoltaic welding conduction band and a preparation method thereof and are used for solving the technical problem of high cost of a preparation method of soft copper in the conventional tin-plated copper conduction band. The composite solar photovoltaic confluence welding band is a parallel three-layer composite structural band consisting of a first copper layer, a middle aluminum layer and a second copper layer, or a core-spun composite structural band consisting of an aluminum and a copper layer, wherein the copper layer is coated on the outer surface of the aluminum. In the preparation method, the composite solar photovoltaic confluence welding band is prepared by rolling with a flattener. Aluminum is taken as a middle layer or a core, so that fatigue breakage of a welding band or a polycrystalline silicon cell panel under thermal stress can beavoided, and the cost is low; and the composite solar photovoltaic confluence welding band is applied to a solar device.

Description

technical field [0001] The invention relates to a solar photovoltaic welding conduction tape and a preparation method thereof. Background technique [0002] With the increasingly fierce competition in the international economic environment, the development of the national economy is facing huge challenges, and the competition for the new energy market and strategic deployment have become increasingly prominent in the background of the entire economic market. Under the conventional energy shortage and the increasingly stringent requirements for natural environment protection, solar energy, as a kind of renewable energy, has become increasingly prominent as the most important part of the future energy structure. How to improve the efficiency and life of solar energy devices , its importance is self-evident. The life of a solar module is mainly determined by the fatigue life of its internal wiring, that is, the life of the tin-coated copper conductive tape. Due to the high in...

Claims

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Application Information

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IPC IPC(8): H01B5/00H01B1/02H01B13/00H01L31/02H01L31/05
CPCY02E10/50
Inventor 何鹏林铁松柴戡
Owner JIANGSU BOXINTAI PHOTOELECTRIC SCI & TECH
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