CN205355088U - Based on organic thin film solar cell panel solar power system - Google Patents

Abstract

A solar power generation device based on an organic thin film solar cell panel, comprising tempered glass, an organic thin film solar cell, an EVA adhesive film, a junction box and a back plate, and the organic thin film solar cell is a Xiao of ITO/pentacene/aluminum structure In the special base battery, the organic thin film solar cell sheet further includes a buffer layer, the buffer layer uses MoO ₃ , and the Schottky battery with the ITO/pentacene/aluminum structure is doped with iodine. The solar power generation device based on the organic thin film solar panel proposed by the utility model adopts the Schottky battery of ITO/pentacene/aluminum structure, and carries out iodine doping and adding MoO buffer layer to the Schottky battery, which has the advantages _of High photoelectric conversion efficiency and strong comprehensive power generation capacity. In addition, by using acid glass glue, it can fully cover all areas of the battery, and the adhesion performance is good, so as to ensure no dead zone in the package and prolong the service life of the power generation device. long.

Description

Solar power generation device based on organic thin film solar panels

technical field

The utility model relates to the field of solar photovoltaic power generation, in particular to a solar power generation device based on an organic thin film solar panel.

Background technique

With the continuous consumption and depletion of non-renewable energy sources, the energy crisis has become increasingly prominent. The development and utilization of renewable energy sources such as solar energy, water energy, wind energy, geothermal energy, and tidal energy have attracted more and more attention from all countries in the world. Solar energy is especially favored as a green energy. Solar photovoltaic power generation is an important way to utilize solar energy. Solar photovoltaic power generation refers to the use of quantum effects of semiconductor materials to directly convert visible light in the solar spectrum into electrical energy.

In recent years, solar cells using solar photovoltaic power generation have developed rapidly. With the continuous reduction of costs, solar cells are gradually entering people's lives and playing an increasingly important role. At present, the application of silicon-based solar cells such as monocrystalline silicon and polycrystalline silicon has entered a stage of large-scale development, but the high cost of high-purity silicon materials has caused silicon-based solar cells to be limited in their development. Amorphous silicon thin-film solar cells have attracted widespread attention because of their low production cost, environmental protection and pollution-free production process, etc. However, the current amorphous silicon thin-film solar cells still have disadvantages such as low photoelectric conversion efficiency and weak comprehensive power generation capacity.

Utility model content

In view of the above situation, it is necessary to provide a solar power generation device based on an organic thin film solar panel to provide higher photoelectric conversion efficiency and stronger comprehensive power generation capacity.

A solar power generation device based on an organic thin film solar cell panel, comprising tempered glass, an organic thin film solar cell, an EVA adhesive film, a junction box and a back plate, and the organic thin film solar cell is a Xiao of ITO/pentacene/aluminum structure The ultra-based battery, that is, the organic thin-film solar battery sheet includes an ITO layer, a pentacene layer, and an aluminum layer.

The organic thin film solar cell further includes a buffer layer, the buffer layer uses MoO ₃ , and the buffer layer is arranged between the pentacene layer and the aluminum layer.

The Schottky cell with the ITO/pentacene/aluminum structure is doped with iodine.

The contact mode between the ITO layer and the pentacene layer is rectifying contact.

The contact mode between the pentacene layer and the aluminum layer is ohmic contact.

The solar power generation device based on an organic thin film solar cell panel further includes silica gel for sealing the junction of the toughened glass, the organic thin film solar cell sheet, and the junction box.

The silica gel is acid glass glue.

The solar power generation device based on the organic thin film solar panel proposed by the utility model adopts the Schottky battery of ITO/pentacene/aluminum structure, and carries out iodine doping and adding MoO buffer layer to the Schottky battery, which has the advantages _of High photoelectric conversion efficiency and strong comprehensive power generation capacity. In addition, by using acid glass glue, it can fully cover all areas of the battery, and the adhesion performance is good, so as to ensure no dead zone in the package and prolong the service life of the power generation device. long.

Description of drawings

FIG. 1 is a schematic structural view of a solar power generation device based on an organic thin film solar cell panel with a monitoring device proposed by an embodiment of the present invention.

FIG. 2 is a schematic structural view of the organic thin film solar cell in FIG. 1 .

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Fig. 1 and Fig. 2, the solar power generation device 100 based on the organic thin film solar cell panel proposed by the embodiment of the utility model includes tempered glass 110, organic thin film solar cell sheet 120, EVA adhesive film 130, junction box 140 and back plate 150 , the organic thin film solar cell 120 is a Schottky cell with an ITO/pentacene/aluminum structure, that is, the organic thin film solar cell 120 includes an ITO layer 121 , a pentacene layer 122 , and an aluminum layer 123 .

In this embodiment, the tempered glass 110 has a thickness of 11mm and a light transmittance of 92%, which is used to protect the organic thin film solar cells 120, and the tempered glass 110 has undergone ultra-clear tempering treatment.

The EVA adhesive film 130 is used for bonding and fixing the tempered glass 110 , the organic thin film solar battery sheet 120 and the back plate 150 .

The back sheet 150 uses TPE for the sealing, insulation and waterproofing of the solar power generation device 100 based on organic thin film solar panels.

The junction box 140 is used to protect the entire power generation system based on the organic thin film solar panel solar power generation device 100, and acts as a current transfer station. When a short circuit occurs, the junction box 140 automatically disconnects the short-circuited battery string to prevent the entire power generation device from burnt out.

The organic thin film solar cells 120 are doped with iodine. Iodine doping can improve the conductivity of the pentacene film, broaden the absorption spectrum of the film, make it more consistent with the solar spectrum, and improve the internal quantum effect.

The contact mode between the ITO layer 121 and the pentacene layer 122 is a rectifying contact, the current flows in one direction, no obvious additional resistance is generated, and the equilibrium carrier concentration inside the semiconductor is not significantly changed.

The contact mode between the pentacene layer 122 and the aluminum layer 123 is ohmic contact, and current flows bidirectionally.

The organic thin film solar cell 120 further includes a buffer layer 124 made of MoO ₃ , and the buffer layer 124 is disposed between the pentacene layer 122 and the aluminum layer 123 . The buffer layer 124 can prevent the recombination of excitons on the interface, prevent electrons from diffusing from the electrode to the organic layer, and form a reverse voltage to weaken the performance of the device. The intervention of the buffer layer 124 can also help to form a good interface contact to facilitate the collection of carriers.

The solar power generation device 100 based on the organic thin film solar cell panel proposed in this embodiment further includes silica gel for sealing the tempered glass, the organic thin film solar cell sheet, and the junction box. The silica gel is acid glass glue.

The highest conversion efficiency of the solar power generation device based on the organic thin film solar panel proposed in this embodiment is 12.9%, and the open circuit voltage is 840 millivolts.

The solar power generation device based on the organic thin film solar panel proposed by the utility model adopts the Schottky battery of ITO/pentacene/aluminum structure, and carries out iodine doping and adding MoO buffer layer to the Schottky battery, which has the advantages _of High photoelectric conversion efficiency and strong comprehensive power generation capacity. In addition, by using acid glass glue, it can fully cover all areas of the battery, and the adhesion performance is good, so as to ensure no dead zone in the package and prolong the service life of the power generation device. long.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (7)

1. A solar power generation device based on an organic thin film solar cell panel, comprising tempered glass, an organic thin film solar cell, an EVA film, a junction box and a backplane, wherein the organic thin film solar cell is ITO/parallel A Schottky cell with a benzene/aluminum structure, that is, the organic thin film solar battery sheet includes an ITO layer, a pentacene layer, and an aluminum layer. 2. The solar power generation device based on an organic thin film solar cell panel according to claim 1, wherein the organic thin film solar cell sheet further comprises a buffer layer, the buffer layer uses MoO ₃ , and the buffer layer is arranged on and Between the pentacene layer and the aluminum layer. 3. The solar power generation device based on an organic thin film solar panel according to claim 1, wherein the Schottky cell of the ITO/pentacene/aluminum structure is doped with iodine. 4 . The solar power generation device based on an organic thin film solar cell panel according to claim 1 , wherein the contact mode between the ITO layer and the pentacene layer is a rectifying contact. 5 . The solar power generation device based on an organic thin film solar cell panel according to claim 1 , wherein the contact mode between the pentacene layer and the aluminum layer is ohmic contact. 6 . The solar power generation device based on an organic thin film solar cell panel according to claim 1 , further comprising silica gel for sealing the interface between the tempered glass, the organic thin film solar cell sheet, and the junction box. 7 . 7. The solar power generation device based on an organic thin film solar cell panel according to claim 6, wherein the silica gel is acid glass glue.