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A photovoltaic module and a method for producing the same

A photovoltaic module and photovoltaic technology, applied in the direction of photovoltaic power generation, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as preventing light from entering the absorber

Inactive Publication Date: 2017-09-26
SOLIBRO RES AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, some light is prevented from entering the absorber due to shading caused by this metal grid

Method used

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  • A photovoltaic module and a method for producing the same
  • A photovoltaic module and a method for producing the same
  • A photovoltaic module and a method for producing the same

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Embodiment Construction

[0034] The inventors have devised a way of interconnecting photovoltaic cells in a photovoltaic module that may require less mechanical manipulation and at the same time reduce the dead zone of the photovoltaic module. In this detailed description, reference is made to the Cu(In,Ga)Se 2 The photovoltaic stack describes a novel interconnect structure, but the inventive concept can also be used in other photovoltaic stacks using thin film technology.

[0035] Positional terms such as "above", "below", "top" and "bottom" hereinafter are used to help understanding of the present invention and merely describe relative positions between elements. Those skilled in the art understand that these relationships can be reversed.

[0036] figure 1A first embodiment of the invention, a photovoltaic module generally designated 101 , is shown in . Photovoltaic module 101 includes a substrate 102 . Substrate 102 may be a plate of glass or another suitable material that provides sufficient ...

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Abstract

A photovoltaic module and a method for producing such modules is presented in which the resistance of the interconnects between neighboring photovoltaic cells is minimized and the dead-area is also minimized. This is achieved by routing the interconnects, in form of a finger, from a top contact of a first photovoltaic cell to a bottom contact of a second photovoltaic cell. The interconnect is isolated from the bottom contact of the first photovoltaic cell by means of the photovoltaic stack and the interconnect is connected to the bottom contact of the second photovoltaic cell in an opening of the photovoltaic stack.

Description

technical field [0001] The invention relates to a photovoltaic module, and a method for producing such a photovoltaic module. In particular, the invention relates to a photovoltaic module with photovoltaic cells connected by means of contact fingers, and to a method for producing such a photovoltaic module. Background technique [0002] Due to the intrinsic nature of photovoltaic cells, the usable output voltage per cell is too low to be useful. Therefore, in order to achieve a usable output voltage, usually several photovoltaic cells are generally connected in series. For thin film solar cells, this series connection is typically performed by routing the top contact of a photovoltaic cell to the bottom contact of an adjacent photovoltaic cell. This way of connecting the battery is often referred to as "whole integration". A well-known problem associated with overall integration is that due to this routing, parts of the photovoltaic cell do not contribute to the photovolt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0465H01L31/0749
CPCH01L31/0749H01L31/0465Y02E10/541Y02P70/50H01L31/02021H01L31/0504H01L31/1876
Inventor O.伦德伯格
Owner SOLIBRO RES AB