Flexible solar cell

a solar cell and flexible technology, applied in the direction of superimposed coating process, solid-state device, coating, etc., can solve the problems of poor high-humidity durability and poor high-temperature durability of the flexible solar cell containing the organic-inorganic perovskite compound in the photoelectric conversion layer, and achieve excellent high-temperature, high-humidity durability, excellent initial performance

Inactive Publication Date: 2021-09-16
SEKISUI CHEM CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a type of solar cell that has good resistance against harsh environments such as extreme temperatures or humidity. It also works well even at very low temperatures.

Problems solved by technology

This patent describes how lamination technology can be used for producing flexible solar cells with improved performance at extreme temperatures and humidities. However, there may still be issues with the organic-inorganic perovskite compound being present in the photoelectric conversion layer due to its low stability during storage and processing conditions.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flexible solar cell
  • Flexible solar cell

Examples

Experimental program
Comparison scheme
Effect test

example 1

(1) Anodization of Aluminum Foil

[0092]An aluminum foil (available from UACJ, thickness 100 μm) was anodized with sulfuric acid to form an aluminum oxide film on a surface of the aluminum foil. Thus, a flexible substrate was obtained.

[0093]A cross section of the obtained flexible substrate was observed with an electron microscope (S-4800, available from Hitachi, Ltd.) and the contrast of the obtained photograph was analyzed to measure the thickness of the flexible substrate (the total thickness of the aluminum foil and the aluminum oxide film) and the thickness of the aluminum oxide film. The ratio of the thickness of the aluminum oxide film to the total thickness of the aluminum foil and the aluminum oxide film was calculated from the obtained thicknesses. A surface of the obtained flexible substrate was observed with an electron microscope (S-4800, available from Hitachi, Ltd.) and the crystal structure of the aluminum oxide in the aluminum oxide film was determined to be the boehmite

examples 2 to 9

[0098]A flexible solar cell was obtained as in Example 1 except that the thickness of the aluminum oxide film and the ratio thereof were adjusted as shown in Table 1 by adjusting the thickness of the aluminum foil used and the treatment time or treatment temperature in anodization.

Comparative Examples 1, 2, 8, and 9

[0099]A flexible solar cell was obtained as in Example 1 except that the thickness of the aluminum oxide film and the ratio thereof were adjusted as shown in Table 1 by adjusting the thickness of the aluminum foil used and the treatment time in anodization.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Fractionaaaaaaaaaa
Login to view more

Abstract

The present invention aims to provide a flexible solar cell having excellent high-temperature, high-humidity durability and excellent initial performance. The present invention relates to a flexible solar cell including, on a flexible substrate: an electrode; a transparent electrode; and a photoelectric conversion layer disposed between the electrode and the transparent electrode, the photoelectric conversion layer containing an organic-inorganic perovskite compound, the flexible substrate including an aluminum foil and an aluminum oxide film formed on the aluminum foil, the flexible substrate having a ratio of the thickness of the aluminum oxide film to the total thickness of the aluminum foil and the aluminum oxide film of 0.1% or higher and 15% or lower.

Description

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Owner SEKISUI CHEM CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap