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Laminated solar cell and manufacturing method thereof

A technology of solar cells and manufacturing methods, applied in the field of solar cells, to achieve the effects of reducing damage and improving humidity stability

Pending Publication Date: 2022-04-15
ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD +3
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  • Abstract
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Problems solved by technology

[0003] The present application provides a tandem solar cell and its manufacturing method, aiming to solve the problem of how to improve the humidity stability of the perovskite cell in the tandem solar cell

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  • Laminated solar cell and manufacturing method thereof
  • Laminated solar cell and manufacturing method thereof
  • Laminated solar cell and manufacturing method thereof

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Embodiment Construction

[0029] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0030] see figure 1 , figure 2 and image 3 , the tandem solar cell 100 of the embodiment of the present application includes a perovskite cell 10 and a crystalline silicon cell 20 arranged in a stack, the perovskite cell 10 includes a first surface 101, and the first surface 101 is located away from the perovskite cell 10 One side of the crystalline silicon battery 20, the crystalline silicon battery 20 includes a second surface 201, and the second surface 201 is located on the side of the crystalline silicon battery 20 away from the perovskite battery 10; / or the wat...

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Abstract

The invention is suitable for the technical field of solar cells, and provides a laminated solar cell and a manufacturing method thereof. The laminated solar cell comprises a perovskite cell and a crystalline silicon cell which are arranged in a laminated mode, the perovskite cell comprises a first surface, the first surface is located on the side, away from the crystalline silicon cell, of the perovskite cell, the crystalline silicon cell comprises a second surface, and the second surface is located on the side, away from the perovskite cell, of the crystalline silicon cell; the laminated solar cell further comprises a water absorption layer located on the first surface and / or the second surface. Therefore, because the first surface and / or the second surface are / is provided with the water absorption layer, water molecules in the air can be absorbed by the water absorption layer when contacting with the water absorption layer, thereby reducing the damage of water vapor to the perovskite cell, and facilitating the improvement of the humidity stability of the laminated solar cell.

Description

technical field [0001] The present application belongs to the technical field of solar cells, and in particular relates to a stacked solar cell and a manufacturing method thereof. Background technique [0002] In related technologies, perovskite cells in tandem solar cells have poor stability. The decomposition of perovskite materials is an irreversible process, so delaying the decomposition rate of perovskite cells in tandem solar cells is the top priority for accelerating the industrialization process. Among the many factors affecting the stability of perovskite batteries, humidity has a great influence on the stability of perovskite batteries. When water vapor reaches the surface of the perovskite film, under the joint action of water and oxygen, the surface of the perovskite film is rapidly decomposed, which eventually leads to a decrease in the performance of the perovskite battery. Based on this, how to improve the humidity stability of perovskite cells in tandem sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/44H01L31/0216H01L31/0747H01L27/28H01L31/20H01L51/48
CPCY02E10/549Y02P70/50
Inventor 孙越林纲正陈刚
Owner ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD
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