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Thin-film photovoltaic cell, method of manufacturing thin-film photovoltaic cell and thin-film photovoltaic module

A technology of thin-film photovoltaic cells and manufacturing methods, which can be used in photovoltaic power generation, final product manufacturing, sustainable manufacturing/processing, etc., and can solve problems such as reduced conversion efficiency, shortened life of photovoltaic cells, and increased resistance

Inactive Publication Date: 2009-10-07
韩国铁钢株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, the resistance increases, causing the fill factor (FF; fill factor) to decrease, so the conversion efficiency will decrease
[0004] In the case of organic photovoltaic cells, not only the internal electrodes but also the organic matter itself is vulnerable to moisture, so the life of photovoltaic cells is drastically shortened

Method used

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  • Thin-film photovoltaic cell, method of manufacturing thin-film photovoltaic cell and thin-film photovoltaic module
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  • Thin-film photovoltaic cell, method of manufacturing thin-film photovoltaic cell and thin-film photovoltaic module

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Embodiment Construction

[0030] Embodiments will be described in detail below in conjunction with the accompanying drawings.

[0031] Such as figure 1 As shown, the thin film photovoltaic cell 1 includes a plurality of units 10 formed on a transparent substrate 2 such as a glass substrate or a transparent plastic substrate, and the plurality of units 10 are connected in series.

[0032] The multiple units 10 include transparent electrodes 3 separated from each other on the insulating transparent substrate 2 , a photoelectric layer 5 covering the transparent electrodes 3 , a metal electrode layer 7 covering the photoelectric layer 5 , and a buffer layer 8 covering the metal electrode layer 7 . At this time, the transparent electrode 3 and the metal electrode layer 7 are connected to each other, so a plurality of cells 10 are connected in series.

[0033] Transparent electrode 3 is formed on transparent substrate 2 by chemical vapor deposition (CVD, Chemical Vapor Deposition) method or sputtering (Sput...

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Abstract

A method of manufacturing a thin-film photovoltaic cell, comprises laminating a transparent electrode on a transparent substrate, laminating a photovoltaic layer on the transparent electrode, laminating a metal electrode layer on the photovoltaic layer and laminating a buffer layer on the metal electrode layer, the buffer layer being made of a moisture resistance material.

Description

technical field [0001] The present invention relates to a thin film photovoltaic cell and a manufacturing method thereof. Background technique [0002] Compared with bulk photovoltaic cells, silicon, compound or organic thin-film photovoltaic cells are easily permeated by moisture in a high-temperature and humid environment, resulting in a decrease in conversion efficiency and thus a decrease in long-term stability. [0003] In the case of silicon or compound thin-film photovoltaic cells, zinc oxide or silver used as an internal electrode (back contact) tends to absorb moisture on the surface or between grain boundaries under high temperature conditions. At this time, the resistance increases, causing the fill factor (FF; fill factor) to decrease, so the conversion efficiency will decrease. [0004] In the case of organic photovoltaic cells, not only the internal electrodes but also the organic matter itself is vulnerable to moisture, so the lifetime of photovoltaic cells i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18H01L31/0216H01L31/048H01L51/48H01L51/42H01L51/44
CPCH01L31/0527Y02E10/52H01L31/202H01L31/02167H01L27/1423H01L31/046H01L31/056Y10T156/1082Y10T156/10Y02P70/50
Inventor 明承烨
Owner 韩国铁钢株式会社