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Square-meter-level perovskite solar cell module and preparation method thereof

A technology of solar cells and perovskites, which is applied in the manufacture of electrical components, electrical solid devices, semiconductor/solid devices, etc., can solve the problems of limiting the practical commercial application of large-area perovskite solar cells and the inability to form uniform films, and achieve Realize the effects of large-scale application, easy promotion and cost reduction

Pending Publication Date: 2022-08-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, large-area perovskite components cannot be uniformly formed on the surface of the substrate due to factors such as the preparation process, and the number of internal defects in the perovskite layer increases exponentially with the increase in the preparation area. These factors have severely limited large-area perovskite solar cells. practical business applications

Method used

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  • Square-meter-level perovskite solar cell module and preparation method thereof
  • Square-meter-level perovskite solar cell module and preparation method thereof
  • Square-meter-level perovskite solar cell module and preparation method thereof

Examples

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Embodiment 1

[0036] A square meter-scale perovskite solar cell module is formed by 5 battery cells in parallel, and each battery cell is obtained by connecting 5 perovskite solar cells in series and lamination packaging, wherein the schematic diagram of the perovskite solar cell structure is as follows figure 1 As shown, its preparation method comprises the following steps:

[0037] Step 1. Treatment of metal substrate 1: Use rough stainless steel metal plate as the base material, cut it into 10cm×10cm size after polishing, and then use dilute hydrochloric acid, soapy water, deionized water, and ethanol to ultrasonically clean for 15 minutes each, and use nitrogen after the end. Flow drying, the thickness of the metal substrate 1 is 0.2mm;

[0038] Step 2: Prepare the bottom electrode 2: Divide the treated metal substrate 1 into 25 uniform regions, each with a size of 2cm×2cm, and select one of the regions to form the bottom electrode 2 by magnetron sputtering titanium metal. The process ...

Embodiment 2

[0048] A square meter-scale perovskite solar cell component, the preparation method comprising the following steps:

[0049] Step 1. Treatment of metal substrate 1: Use rough stainless steel metal plate as the base material, cut it into a size of 20cm×20cm after polishing, and then use dilute hydrochloric acid, soapy water, deionized water, and ethanol to ultrasonically clean for 15 minutes each, and use nitrogen after the end. Flow drying, the thickness of the metal substrate 1 is 0.2mm;

[0050] Step 2: Prepare the bottom electrode 2: Divide the treated metal substrate 1 into 100 uniform regions, each with a size of 2cm×2cm, and select one of the regions to form the bottom electrode 2 by magnetron sputtering titanium metal. The process is as follows: in the vacuum chamber of the magnetron sputtering coater, using argon (Ar) as the working gas, through the method of DC sputtering, ions bombard the titanium target to deposit a layer of titanium film on the surface of the metal...

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Abstract

The invention relates to a square-meter-level perovskite solar cell module and a preparation method thereof, the solar cell module is formed by connecting a plurality of cell units in parallel, and each cell unit is obtained by connecting a plurality of perovskite solar cells in series and performing lamination packaging. The perovskite solar cell comprises a metal substrate, a bottom electrode, an electron transport layer, a perovskite active layer, a hole transport layer, a molybdenum oxide layer and a transparent electrode from bottom to top, and the perovskite solar cells in each cell unit are prepared on the same metal substrate and are connected in series through a conductive adhesive tape. The square-meter-level perovskite solar cell module provided by the invention is prepared based on the metal substrate, the solar cell module can be directly prepared on the large-area metal substrate or a plurality of small modules are connected in parallel and spliced into a large-area perovskite module in a splicing manner, square-meter-level assembly is realized, the yield is high, and large-scale application is expected to be realized.

Description

technical field [0001] The invention belongs to the technical field of semiconductor devices, and in particular relates to a square meter perovskite solar cell component and a preparation method thereof. Background technique [0002] In recent years, research on perovskite solar cells has made rapid progress, and its photoelectric conversion efficiency has increased from 3.8% to the current 25.8% in only a few decades. It is expected to replace silicon solar cells and become the mainstream product in the next generation photovoltaic market. . At the same time, perovskite solar cells also have the advantages of simple preparation process and low cost, and can be widely used in different substrates, broadening the application field of photovoltaic devices. [0003] Up to now, the photoelectric conversion efficiency of existing small-area perovskite solar cells exceeds 25.8%, which has surpassed the current world record efficiency (25.21%) of N-type TOPCon silicon cells, and h...

Claims

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Application Information

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IPC IPC(8): H01L51/42H01L51/44H01L51/48
CPCH10K77/10H10K30/10H10K30/80H10K30/88Y02P70/50
Inventor 彭勇彭健徐昌明张暹阳
Owner WUHAN UNIV OF TECH
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