Translucent thin-film solar cell module and manufacturing method thereof

A technology of solar cells and manufacturing methods, applied in photovoltaic power generation, semiconductor/solid-state device manufacturing, circuits, etc., can solve the problems of expensive related equipment, metal particle pollution, and affecting process yield, so as to improve process yield and solar cell Efficiency, the effect of improving light transmittance

Active Publication Date: 2009-08-05
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent needs to use the yellow light process, and its related equipment is quite expensive, which will increase the cost
Moreover, if this patent uses a laser cutting method to directly form the hole 6, it will also cause metal particle pollution and short circuit problems, which will affect the process yield.

Method used

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  • Translucent thin-film solar cell module and manufacturing method thereof
  • Translucent thin-film solar cell module and manufacturing method thereof
  • Translucent thin-film solar cell module and manufacturing method thereof

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Embodiment Construction

[0045] 4 to 9 are schematic flowcharts of a manufacturing method of a light-transmissive thin-film solar cell module according to an embodiment of the present invention. Wherein, the sub-figures (a) and (a') of Fig. 4 to Fig. 9 are schematic diagrams showing top views respectively, and sub-figures (b) and sub-figures (b') are schematic cross-sectional views along the section line II' , sub-figure (c) is a schematic cross-sectional view along the section line II-II'.

[0046] First, please refer to FIG. 9(a), FIG. 9(b), FIG. 9(b') and FIG. 9(c), the light-transmissive thin-film solar cell module 400 of this embodiment is composed of a plurality of cells connected in series ( cell) 401. These batteries 401 are composed of a first electrode 470 , a photoelectric conversion layer 414 and a second electrode 480 . These cells 401 are arranged in an array. The batteries 401 in the columns are separated by the X-direction cutting lines 422 and 408 ; the batteries 401 in the rows ar...

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Abstract

The invention discloses a transmission-typed thin-film solar cell module and a manufacturing method thereof. The manufacturing method firstly forms a bidirectional cutting channel in a first electrode material layer on a non-transparent substrate, so the problem of short circuit which is caused by the follow-up high-temperature laser cutting process can be avoided, and consequently the process yield is influenced. In addition, the transmission-typed thin-film solar cell module has a hole which passes through the non-transparent substrate; therefore, the transmission rate of the cell is improved.

Description

technical field [0001] The present invention relates to a solar cell (photovoltaic) module and its manufacturing method, and in particular to a light-transmitting thin-film solar cell module and its manufacturing method. Background technique [0002] Solar energy is an energy source that is inexhaustible and non-polluting. It has always been the focus of attention when solving the problems of pollution and shortage of petrochemical energy. Among them, a solar cell can directly convert solar energy into electrical energy, and has become a very important research topic at present. [0003] At present, in the solar cell market, cells using monocrystalline silicon and polycrystalline silicon account for more than 90 percent. However, these solar cells need to use silicon chips with a thickness of about 150 microns to 350 microns as materials, and the cost is relatively high. Furthermore, since high-quality silicon crystal ingots are used as raw materials for solar cells, due t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L21/82H01L27/142
CPCY02E10/50
Inventor 吴建树翁得期
Owner IND TECH RES INST
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