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An infrared trapezoidal absorption double-sided photovoltaic power generation system

A photovoltaic power generation system and infrared technology, applied in photovoltaic power generation, photovoltaic modules, electrical components, etc., can solve the problem of low absorption efficiency of single-sided photovoltaics, achieve significant photoelectric conversion effect, improve power generation efficiency, and improve the effect of photoelectric conversion efficiency.

Active Publication Date: 2018-12-18
海威众达(北京)科技有限公司
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Problems solved by technology

On the one hand, solar panels can only absorb 390-760nm visible light; on the other hand, single-sided photovoltaics have low absorption efficiency

Method used

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  • An infrared trapezoidal absorption double-sided photovoltaic power generation system
  • An infrared trapezoidal absorption double-sided photovoltaic power generation system
  • An infrared trapezoidal absorption double-sided photovoltaic power generation system

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Embodiment Construction

[0019] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0020] Such as figure 1 The shown double-sided photovoltaic power generation system with infrared trapezoidal absorption is the best embodiment of the present invention, including a composite solar panel assembly, a reflective element 4 and a circuit system connected to the composite solar panel assembly. The reflective element 4 is arranged under the composite solar panel assembly and provides reflected light for the composite solar panel assembly.

[0021] The composite solar panel assembly includes a front layer solar cell panel 1, an intermediate layer solar cell panel 2 and a rear layer solar cell panel 3 stacked sequentially from top to bottom; the fron...

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Abstract

The invention provides an infrared trapezoidal absorption double-sided photovoltaic power generation system, comprising a composite solar panel assembly, a light reflecting element and a circuit system connected with the line of the composite solar panel assembly. The light reflecting element is arranged under the composite solar panel assembly and provides reflected light for the composite solarpanel assembly. The composite solar panel assembly comprises a front layer solar panel, an intermediate layer solar panel and a back layer solar panel, which are stacked from the top to the bottom insequence; The front and back solar panels are double-sided transparent thin film solar panels, and the middle solar panels are dye-sensitized solar panels. The visible light part of the sunlight of the invention is absorbed three times to complete the trapezoidal absorption process, the photoelectric conversion effect is remarkable, and the photoelectric conversion effect can effectively absorb near-infrared parts of 750-860nm, the photovoltaic efficiency of the photovoltaic panel is improved again under the condition of the existing photoelectric conversion of visible light, the photoelectricconversion effect is remarkable, and the power generation efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of photovoltaic power generation, in particular to a double-sided photovoltaic power generation system with infrared trapezoidal absorption. Background technique [0002] With the development of society and science and technology, the development and utilization of solar energy is constantly improving, but the effect is not obvious. On the one hand, solar panels can only absorb 390-760nm visible light; on the other hand, single-sided photovoltaics have low absorption efficiency. According to relevant statistics, the current conversion efficiency of crystalline silicon photovoltaic cells is only 13%-17%. Therefore, double-sided solar cell technology has become a hot spot in the industry. Domestic photovoltaic companies have successively launched various double-sided solar cell modules. Generally speaking, the output power of a double-sided photovoltaic power generation device is 5% to 15% higher than that of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S30/00H02S40/22H02S40/36H02S40/42
CPCH02S30/00H02S40/22H02S40/36H02S40/425Y02E10/52
Inventor 陈海飞邱宽宽朱宇豪周毅钟洋闫帅杨洁
Owner 海威众达(北京)科技有限公司
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