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Integrated photovoltaic-thermoelectric flexible power generation equipment and preparation method and application thereof

A kind of power generation equipment and flexible technology, which is applied in the field of integrated photovoltaic-thermoelectric flexible power generation equipment and its preparation, can solve the problems of low conversion efficiency of flexible power generation equipment, difficulty in realizing the full spectrum utilization of the sun, and unstable output power, etc., to achieve reasonable Utilization, light weight, and the effect of improving the overall output power

Pending Publication Date: 2022-04-12
NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the present invention follows the principles of solar spectrum matching and cascade utilization, and proposes an integrated photovoltaic-thermoelectric flexible power generation device and its preparation method and application, realizing the efficient utilization of solar spectrum and photovoltaic, The maximum power generation of each thermoelectric module solves the technical problems of the existing flexible power generation equipment such as low conversion efficiency, insufficient power supply, difficulty in realizing the full spectrum utilization of the sun, and unstable output power under bending and folding conditions.

Method used

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  • Integrated photovoltaic-thermoelectric flexible power generation equipment and preparation method and application thereof
  • Integrated photovoltaic-thermoelectric flexible power generation equipment and preparation method and application thereof
  • Integrated photovoltaic-thermoelectric flexible power generation equipment and preparation method and application thereof

Examples

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Embodiment 1

[0038] A method for preparing an integrated photovoltaic-thermoelectric flexible power generation device, comprising the following steps:

[0039] Step 1: Deposit n-type thermoelectric semiconductor thin films 91, p-type thermoelectric semiconductor thin films 92 and conductive electrodes 10 by screen printing on the flexible substrate 1, wherein the flexible substrate 1 is made of PDMS, n The material of the type thermoelectric semiconductor strip film 91 is Bi 2 Te 3 , the material of the p-type thermoelectric semiconductor strip film 92 is Se 2 Te 3 , the material of the conductive electrode 10 is silver foil; as figure 2 As shown, the n-type semiconductor strip film 91 and the p-type semiconductor strip film 92 are arranged in parallel successively to form a flexible semiconductor strip film 9 through the conductive electrode 10 connected end to end in series;

[0040] Step 2: If image 3 As shown, the first mask plate 11 is used to deposit and lay the flexible heat-...

Embodiment 2

[0043] The difference from Example 1 is that the flexible solar cell 6 is an organic thin-film solar cell, and the remaining components and preparation method are the same as in Example 1 to obtain an integrated photovoltaic-thermoelectric flexible power generation device.

[0044] The organic thin film solar cell involved in this embodiment includes five parts: a flexible transparent substrate, a transparent conductive oxide, an electron blocking layer, an active absorbing layer, and a cathode. From bottom to top, the organic thin film solar cell is a flexible transparent substrate polyethylene naphthalate (PEN), a transparent conductive oxide ITO obtained by sputtering, an electron blocking layer PEDOT:PSS obtained by spin coating, and an active film obtained by spin coating. Absorbent layer P 3 HT: CNT and vacuum-evaporated cathode aluminum.

Embodiment 3

[0046] The difference from Example 1 is that the flexible solar cell is a dye-sensitized solar cell, and the rest of the components and preparation method are the same as in Example 1 to obtain an integrated photovoltaic-thermoelectric flexible power generation device.

[0047] The dye-sensitized solar cell involved in this embodiment includes six parts: a flexible substrate, a transparent anode, a mesoporous oxide layer, dye molecules, an electrolyte, and a cathode. The dye-sensitized solar cell consists of a flexible transparent substrate polyethylene naphthalate (PEN), a transparent anode ITO, and a screen-printed mesoporous oxide layer TiO from bottom to top. 2 and the dye molecule N 3 , screen-printed electrolyte gel polymer phthaloyl chitosan, and the cathode obtained by spraying is platinum coated with catalyst.

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Abstract

The invention discloses integrated photovoltaic-thermoelectric flexible power generation equipment as well as a preparation method and application thereof, belongs to the technical field of photovoltaic thermoelectricity, and solves the technical problems that the existing flexible power generation equipment cannot realize full-spectrum solar energy utilization, is low in conversion efficiency and insufficient in power supply, and the maximum output power of each power generation module is mutually limited. According to the integrated photovoltaic-thermoelectric flexible power generation equipment, the solar cell and the thermoelectric device are combined, utilization of the whole solar spectrum is achieved, meanwhile, the photonic crystal layer serves as the hot end, the environment temperature serves as the cold end, the temperature difference power generation power is improved, heat accumulation of the photovoltaic cell is reduced, and the power generation efficiency is improved. The maximum power generation capacity of the photovoltaic module and the maximum power generation capacity of the thermoelectric module are achieved; the perovskite solar cell with good weak light performance is used as the power output of the photovoltaic power generation module, so that stable power supply is ensured.

Description

technical field [0001] The invention belongs to the technical field of photovoltaic thermoelectricity, and in particular relates to an integrated photovoltaic-thermoelectric flexible power generation device and its preparation method and application. Background technique [0002] With the increasing precision and miniaturization of electronic devices, more and more attention has been paid to the important demand for flexible power generation equipment. As an easily available renewable energy, solar energy can meet the requirements of flexible power generation equipment for energy, greenness, portability, and easy availability. Realizing the full spectrum utilization of solar energy is an efficient way to improve the performance of flexible solar power generation equipment. [0003] Full-spectrum solar power generation methods mainly include photothermal power generation, thermoelectric power generation, and multi-junction photovoltaic power generation. Among them, solar th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L35/32H01L51/42H02S40/44H10N10/17
CPCY02E10/60Y02E10/549
Inventor 周一鹏马欣悦赵佳薇吴忠彬
Owner NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV
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