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Thin-film photovoltaic panel and method of producing the same

A technology of thin-film photovoltaics and manufacturing methods, applied in photovoltaic power generation, electrical components, circuits, etc., can solve problems such as long welding time

Inactive Publication Date: 2011-06-22
DU PONT APOLLO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem is that the soldering time is quite long

Method used

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Embodiment Construction

[0030] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown schematically in order to simplify the drawings.

[0031] According to the above, a metal tape is provided to replace the metal ribbon in the prior art. Figure 1A is a schematic cross-sectional view of a metal tape according to an embodiment. exist Figure 1A Among them, the metal tape 100 is composed of a conductive layer 120 and an adhesive layer 110 coated thereon.

[0032] Figure 1B for Figure 1A The cross-sectional schematic diagram of the metal tape in . exist Figure 1B , the metal tape 100 is punched to form at least one punched hole 130 . Depending on the desired electrical conductivity, the number of per...

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PUM

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Abstract

The present invention provides a thin-film photovoltaic panel and a method of producing the same. The thin-film photovoltaic panel comprises the following components: a transparent substrate; a plurality of photovoltaic cells which are parallelly configured on the transparent substrate which each photovoltaic cell comprises a transparent conductive oxidation layer, a semiconductor layer and a metal back electrode; and at least one metal adhesive tape which is provided on at least one member on the metal back electrodes, wherein the metal adhesive tape is provided with at least one punched hole and comprises the components of: an adhesive layer which is directly provided on the metal back electrode; and a conductive layer which is provided on the adhesive layer, wherein the conductive layer which surrounds the punched hole directly contacts with the metal back electrode through turning over. According to the invention, the prior-art metal tape is replaced by the punched metal adhesive tape which is provided with the conductive layer and the adhesive layer. The conductive layer which surrounds the punched hole can be turned over to the back surface of the metal tape for directly contacting with the metal back electrode of the photovoltaic battery.

Description

technical field [0001] The invention relates to a thin film photovoltaic panel and a production method thereof. Background technique [0002] Among the known methods of producing thin film photovoltaic panels, there are several methods for attaching the metal tape to the metal back electrode of the thin film photovoltaic panel. [0003] In the first method, a conductive adhesive is used to attach the metal tape to the metal back electrode. In the pre-soldering step of this method, conductive adhesive must first be coated on the metal back electrodes located on opposite sides of the photovoltaic panel to form two rows of dots. Next, in a wire-bonding step, two metal strips are respectively placed on two rows of dots formed by conductive glue, and then attached to the metal back electrode by high temperature. Therefore, the conductive resistance and processing time of the photovoltaic panel are determined by the number of conductive adhesive dots. When the number of conduct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/05H01L31/02H01L31/18
CPCH01L31/02008H01L31/042Y02E10/50H01L31/046
Inventor 林于庭徐文凯黄士哲
Owner DU PONT APOLLO