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Thin-film solar cell with conductor track electrode

A technology of solar cells and printed wires, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problem that optical power cannot be converted into electric current, etc., and achieve the effect of high conductivity

Inactive Publication Date: 2011-11-23
SAINT-GOBAIN GLASS FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is therefore often possible in this case that, during the period of maximum solar incidence, the solar incidence falls in a non-optimal manner on the front side of the solar cell, whereby a valuable part of the optical power cannot be converted into electrical current

Method used

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  • Thin-film solar cell with conductor track electrode
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  • Thin-film solar cell with conductor track electrode

Examples

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Embodiment Construction

[0033] Elements similar to each other are denoted by the same reference numerals below.

[0034] figure 1 A schematic diagram of a solar cell is shown. The solar cell consists of a photoactive layer 100, wherein the photoactive layer preferably comprises cadmium telluride (CdTe). therefore figure 1 The solar cells shown in are preferably thin-film solar cells.

[0035] figure 1 The solar cell of has two electrodes, an electrode 104 on the front side of the photoactive layer 100 and an electrode 110 on the back side of the photoactive layer 100 . In this case, the electrode 110 is a conductor track network 110 made of particles, the network 110 being optically transparent for light incident on the rear side of the optically active layer 100 in the visible light range.

[0036] For operating the solar cell, the grid of electrodes 104 and conductor tracks 110 is coupled to an electrical load 112 . With light incident either through the electrodes 104 to the active layer 100...

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Abstract

The invention relates to a method for producing a thin-film solar cell comprising a photoactive layer (100), which has on the front side an electrode (104) that is optically transparent in the range of visible light, wherein an electrically conductive network (110) of conductor tracks is applied on the rear side and / or the front side of the photoactive layer (100), said network being optically transparent in the range of visible light as seen macroscopically.

Description

technical field [0001] The invention relates to a method for producing a thin-film solar cell and to a thin-film solar cell. Background technique [0002] A solar cell is a device that converts light energy into electrical energy using the photovoltaic effect. Solar cells contain semiconductor materials that are used to absorb photons and generate electrons using the photovoltaic effect. [0003] Today there is a great demand for solar cells because solar cells are used in many technical fields. For example, solar energy is used to operate stationary devices, which are used on roads, for example, in traffic monitoring and traffic flow regulation. Another example is an at least partially solar powered robot placed in the open air. [0004] Commercially available solar cells collect light from the front side and are light-tight on the back side because these solar cells are either simply applied on an opaque substrate or the back electrode is light-tight. However, even in ...

Claims

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Application Information

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IPC IPC(8): H01L31/0224H01L31/048H01L31/18
CPCY02E10/50H01L31/0485H01L31/022466H02S40/34H01L31/04H01L31/18H01L31/0224
Inventor M.梅尔歇尔W.A.诺西奇卡D.茹斯
Owner SAINT-GOBAIN GLASS FRANCE