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首页> 外国专利> MANUFACTURING METHOD FOR MULTIPLE JUNCTION SOLAR CELL USING COMPOUND THIN FILM AND MULTIPLE JUNCTION SOLAR CELL

MANUFACTURING METHOD FOR MULTIPLE JUNCTION SOLAR CELL USING COMPOUND THIN FILM AND MULTIPLE JUNCTION SOLAR CELL

机译：复合薄膜和多结太阳能电池制造多结太阳能电池的方法

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摘要

The present invention relates to a method for manufacturing a multiple-junction solar battery including multiple compound thin-film solar battery cells, comprising the steps of: forming transparent electrode layers on an upper surface and a lower surface of a substrate; simultaneously forming light-absorbing layers on the upper surface and the lower surface of the substrate having the transparent electrode layers formed thereon; forming buffer layers on the upper surface and the lower surface of the substrate having the light-absorbing layers formed thereon; and forming a front surface electrode on the upper surface of the substrate having the buffer layer formed thereon and forming a rear surface electrode on the lower surface. The present invention can solve the problem that the light-absorbing layer of an earlier-manufactured cell is degraded by heat generated in the process of manufacturing a later-manufactured cell in the case of traditionally manufacturing a lower cell and an upper cell sequentially, and can avoid damage to an interface between the light-absorbing layer of an earlier-manufactured cell and the buffer layer as the upper cell and the lower cell are formed on an upper side and a lower side with respect to a substrate instead of continuously stacking the upper cell and the lower cell in one direction. Also, the number of processes is reduced compared with the case of separately manufacturing an upper cell and a lower cell and problems generated in the process of separately manufacturing and bonding an upper cell and a lower cell can be prevented.
机译：本发明涉及一种包括多个复合薄膜太阳能电池单元的多结太阳能电池的制造方法，该方法包括以下步骤：在基板的上表面和下表面上形成透明电极层;以及在基板的上表面和下表面上形成透明电极层。同时在其上形成有透明电极层的基板的上表面和下表面上形成光吸收层;在其上形成有光吸收层的基板的上表面和下表面上形成缓冲层;在其上形成有缓冲层的基板的上表面上形成前表面电极，并在下表面上形成后表面电极。本发明可以解决以下问题：在传统上顺序制造下部电池和上部电池的情况下，在制造后期制造电池的过程中，早期制造的电池的光吸收层会因产生的热量而劣化，并且由于上部电池和下部电池形成在相对于基板的上侧和下侧，而不是连续堆叠，因此可以避免损坏较早制造的电池的光吸收层与缓冲层之间的界面。上单元和下单元在一个方向上。而且，与分别制造上单元和下单元的情况相比，减少了处理数量，并且可以防止在分别制造和结合上单元和下单元的过程中产生的问题。

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