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Preparation of transparent film for improving optoelectronic transformation efficiency of solar photovoltaic battery

A technology of photovoltaic cells and photovoltaic panels, which is applied in the field of solar energy utilization, can solve problems such as the lifespan of organic materials that is difficult to overcome, and achieve the effect of prolonging life and prolonging power generation time

Inactive Publication Date: 2008-12-10
徐耀平 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the experimental research work is based on the down conversion of organic fluorescent materials, and the lifetime of organic materials is also an insurmountable problem.
On the other hand, the application of more meaningful infrared up-conversion to improve battery efficiency has not been reported

Method used

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  • Preparation of transparent film for improving optoelectronic transformation efficiency of solar photovoltaic battery
  • Preparation of transparent film for improving optoelectronic transformation efficiency of solar photovoltaic battery
  • Preparation of transparent film for improving optoelectronic transformation efficiency of solar photovoltaic battery

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Embodiment approach

[0017] The product of the invention is: a transparent film that increases the photoelectric conversion efficiency of solar photovoltaic cells. The preparation method is as follows:

[0018] The following compounds: ZnO:Eu 2+ (or ZnS:Eu 2+ ), La 2 o 3 :yb 3+ (or Y 2 o 3 :Er 3+ ), Y 3 NbO 7 :Er 3+ , Y 2 o 2 S:Mg 2+ , Ti 4+ , Eu 3+ 、Sr 4 al 14 o 25 :Eu 2+ , Dy 3+ , SrAl 2 o 4 :Eu 2+ , Dy 3+ , polyethylene (polypropylene or polyvinyl chloride), and anti-aging agent are mixed and granulated. in:

[0019] (1), ZnO:Eu 2+ (or ZnS:Eu 2+ ) is a down-conversion agent (abbreviation: A), which converts ultraviolet light into spectrally responsive light of photovoltaic panels, and the particle size is 10-30nm;

[0020] (2), La 2 o 3 :Yb 3+ (or Y 2 o 3 :Er 3+ ) is an up-conversion agent (abbreviation: B), which converts infrared light into spectral response light of photovoltaic panels, and the particle size is 10-25nm;

[0021] (3), Y 3 NbO 7 :Er 3+ It ...

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Abstract

The invention discloses a preparation method of a transparency film used for increasing photoelectric conversion efficiency of a solar photovoltaic cell. The transparency film used for increasing photoelectric conversion efficiency of the solar photovoltaic cell comprises: (1) at least one down conversion agent A; (2) at least one up conversion agent B; (3) at least one up and down conversion agent C; (4) at least three visible light arousing long afterglow light conversion agent D, E, F; (5) a matrix resin (polyethylene, polystyrene or polyvinyl chloride); (6) an ageing resistant consistent with above materials (1), (2), (3), (4) and (5). The transparency film used for increasing photoelectric conversion efficiency of the solar photovoltaic cell is provided with the characteristics of optical conversion and noctilucence, and is lasting and stable, can cause the common photovoltaic cell to make use of solar for longer time and more effectively, and mostly can improve the photoelectric conversion efficiency of the common photovoltaic cell more than 30%, namely can cause the photoelectric conversion efficiency of the common photovoltaic cell to achieve more than 22%.

Description

technical field [0001] The invention relates to solar photovoltaic cell system engineering, can significantly improve the photoelectric conversion rate of the photovoltaic cell, and belongs to the technical field of solar energy utilization. Background technique [0002] Energy issues have always been the focus of governments' attention and research. The current oil-fueled energy system is being challenged by factors such as resource depletion, environmental pollution, and rising prices. Therefore, the idea of ​​how to maximize the rational use of clean energy (solar energy, hydrogen energy, wind energy, etc.) emerged as the times require. The application of solar photovoltaic cells (light-to-electricity conversion) is the product of the concrete implementation of this idea. [0003] Solar photovoltaic technology is one of the most promising renewable energy technologies. At present, crystalline silicon (monocrystalline and polycrystalline) occupies an absolute dominant p...

Claims

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Application Information

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IPC IPC(8): H01L31/0216H01L31/0232H01L31/18H01L31/054
CPCY02E10/50Y02P70/50
Inventor 徐耀平鲍玉龙
Owner 徐耀平
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