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Quantum Tailored Photovoltaic Modules

A photovoltaic module, quantum technology, applied in photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problems of reduced quantum tailoring effect, easy damage to transportation, storage, and reduced light transmittance of glass, so as to reduce adverse effects, transportation and safety. The effect of low storage cost and thermal effect reduction

Inactive Publication Date: 2011-12-28
HUNAN TLNZ SOLAR TECH
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AI Technical Summary

Problems solved by technology

[0002] At present, the development of today's human society has put forward higher and higher requirements for the quality and quantity of energy, but there are two problems in the existing fossil energy that dominates absolutely: one is increasingly depleted and non-renewable; and serious pollution to the environment during use
[0004] 1. The manufacturing process is relatively complicated, the quality is relatively difficult to control, and the manufacturing cost is relatively high;
[0005] 2. Transportation and storage are easily damaged, resulting in relatively high transportation and storage costs;
[0006] 3. The light transmittance of the glass decreases after doping, resulting in a large light loss and reducing the quantum tailoring effect

Method used

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Examples

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Embodiment Construction

[0027] Doping a certain amount of rare earth element particles (2) into the front packaging film of the solar cell module such as EVA (1) film produces a quantum tailoring effect. When producing EVA (1) for photovoltaic modules, the VA content in EVA (1) is about 28-38%, and BaF is evenly added to the vinyl acetate liquid 2 Micropowder, mixed with rhenium Re 3+ , Ytterbium Yb 3+ ions, and let the rhenium Re 3+ , Ytterbium Yb 3+ Ion diffusion into BaF 2 In the process, rare earth element particles (2) with quantum tailoring effect are formed. BaF 2 The weight percentage with vinyl acetate is about 0.15-0.3%; rhenium Re 3+ , Ytterbium Yb 3+ Ion concentration is BaF 2 1-15%, the rest of the production process of EVA (1) after doping is basically unchanged according to the process of producing high-performance EVA (1) for photovoltaics.

[0028] Below in conjunction with the embodiment figure 1 , figure 2 , compared to the prior art image 3 , Figure 4 , further ana...

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Abstract

A quantum tailoring photovoltaic module. It is mainly to solve the problem of low efficiency of existing photovoltaic modules. The packaging film contains rare earth elements with quantum tailoring effect, such as adding BaF2, rhenium Re3+, ytterbium Yb3+ ions, etc. to the EVA film, which can improve the photoelectric conversion efficiency of the cell. Mainly used for solar cell power generation.

Description

technical field [0001] The invention relates to a photovoltaic component, especially having the function of quantum tailoring. Background technique [0002] At present, the development of today's human society has put forward higher and higher requirements for the quality and quantity of energy, but there are two problems in the existing fossil energy that dominates: one is increasingly exhausted and non-renewable; and serious pollution to the environment during use. Therefore, looking for a green renewable energy to replace the existing fossil energy has become a major issue on the road of human development. [0003] Solar energy is an inexhaustible, non-polluting, clean energy that has developed rapidly in the past 20 to 30 years. But high cost and low conversion efficiency have become a bottleneck in its development. In recent years, people have adopted the technology of doping rare earth elements in the front glass of the module to form a quantum tailoring effect. Exp...

Claims

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Application Information

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IPC IPC(8): H01L31/055H01L31/048
CPCY02E10/50Y02E10/52
Inventor 张恩理
Owner HUNAN TLNZ SOLAR TECH
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