A flexible thin film solar-thermo electricity conversion device

A flexible thin film, photothermoelectric technology, applied in the direction of thermoelectric device parts, photovoltaic power generation, electrical components, etc., can solve the problems of limited photoelectric conversion efficiency, achieve the effect of improving energy utilization rate, concise structure design, and increasing open circuit voltage

Active Publication Date: 2018-12-28
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited photoelectric conversion efficiency of solar cells, generally 20-30%, the remaining solar energy is lost in the environment in the form of waste heat.

Method used

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  • A flexible thin film solar-thermo electricity conversion device
  • A flexible thin film solar-thermo electricity conversion device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, a flexible film photothermal conversion device includes: a flexible film substrate 1, a flexible thermoelectric film module 2, a flexible photovoltaic film module 7, a photovoltaic thermoelectric general output port 9, a flexible heat conducting layer 10, a flexible heat insulating layer 11 and Flexible reflective layer 12. The flexible thermoelectric thin film module 2 includes a P-type thermoelectric thin film 3 , an N-type thermoelectric thin film 4 , conductive silver glue 5 and a thermoelectric output port 6 ; the flexible photovoltaic thin film module 7 includes a flexible photovoltaic thin film battery and a photovoltaic output port 8 .

[0026] This embodiment uses a polyimide film with dimensions of 5 cm x 6 cm as a flexible substrate.

[0027] A flexible thermoelectric thin film module is placed on the flexible substrate, and the flexible thermoelectric thin film module consists of 12 P / N type Bi with a size of 3mm×4cm 2 Te 3 The ...

Embodiment 2

[0032] The result of this example is the same as Example 1. The difference is that:

[0033] In this embodiment, a high temperature resistant polyester film with a size of 6 cm x 6 cm is used as a flexible substrate.

[0034] A flexible thermoelectric thin film module is placed on the flexible substrate, and the flexible thermoelectric thin film module consists of 16 P / N type Bi with a size of 2mm×6cm 2 Se 3 The thermoelectric thin films are connected in series, the thickness of each thermoelectric thin film is 20 μm, and the distance between the thin films is 1 mm. The edge thermoelectric films are respectively connected to silver bars as thermoelectric output ports.

[0035] A flexible photovoltaic thin film module is placed on the upper half of the flexible thermoelectric thin film module, and a flexible perovskite solar cell with a size of 6cm×3cm and a thickness of 1mm is used as a flexible photoelectric thin film module component. Between the flexible thermoelectric ...

Embodiment 3

[0039] In this embodiment, a polyimide film with a size of 4 cm×6 cm is used as a flexible substrate. A flexible thermoelectric thin film module is placed on the flexible substrate, and the flexible thermoelectric thin film module consists of 10 P / N type Bi with a size of 2mm×6cm 2 Te 3 The thermoelectric thin films are connected in series, the thickness of each thermoelectric thin film is 15 μm, and the distance between the thin films is 2 mm. The edge thermoelectric films are respectively connected to silver bars as thermoelectric output ports. A flexible photovoltaic thin film module is placed on the upper half of the flexible thermoelectric thin film module, and a flexible perovskite solar cell with a size of 4cm×3cm and a thickness of 0.45mm is used as a flexible photovoltaic thin film module component. Between the flexible thermoelectric thin film module and the flexible photovoltaic thin film module, a thermally conductive double-sided adhesive tape with a size of 4cm...

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Abstract

The invention relates to a flexible thin film solar-thermo electricity conversion device, comprising a flexible thin film substrate, a flexible thermoelectric thin film module and a flexible photovoltaic thin film module, wherein the flexible thin film substrate is provided with a flexible thermoelectric thin film module; the light-facing surface of the flexible thermoelectric film module is provided with a flexible heat conduction layer and a flexible heat insulation layer in parallel, and the light-facing surface of the flexible heat conduction layer is provided with the flexible photovoltaic film module; the light-facing surface of the flexible thermal insulation layer is equipped with a flexible reflective layer to reduce the absorption of solar thermal energy, and the temperature difference is manufactured in the flexible thermoelectric thin film module. An output port of one end of the flexible thermoelectric thin film module is connected with one output port of one end of the flexible photovoltaic thin film module to form a photovoltaic thermoelectric universal output port, the other end output port of the flexible thermoelectric thin film module is used as a thermoelectricoutput port, and the other end output port of the flexible photovoltaic thin film module is used as a photovoltaic output port. The invention can effectively improve the comprehensive utilization rateof solar energy.

Description

technical field [0001] The invention relates to the technical field of solar energy and thermal energy power generation, in particular to a flexible thin-film photothermoelectric conversion device. Background technique [0002] With the depletion of fossil fuel reserves, the use of renewable energy such as solar energy has become an important direction of attention. There are two ways to use solar energy: photothermal conversion and photoelectric conversion. Photoelectric conversion is currently the main way to effectively utilize solar energy. For example, solar energy can be converted into electrical energy through photovoltaic modules. However, due to the limited photoelectric conversion efficiency of solar cells during operation, which is generally 20-30%, the remaining solar energy is lost in the environment in the form of waste heat. [0003] Thermoelectric materials can directly convert thermal energy into electrical energy and show great application potential in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S10/30H01L31/0445H01L35/02
CPCH01L31/0445H02S10/30H10N10/80Y02E10/50
Inventor 李耀刚陈丽霖侯成义王宏志张青红吴波韩雪飞
Owner DONGHUA UNIV
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