CN213520040U - Heating annealing device for solar cell - Google Patents

Abstract

The utility model discloses a heating annealing device for solar cell belongs to perovskite solar cell production preparation field. The infrared lamp is installed in the inside top surface of box, and opening of infrared lamp can make the interior infrared ray that produces of experiment platform, heats the annealing to the wet membrane of perovskite. Simultaneously, the temperature of the infrared lamp is controlled through the controller and the temperature sensor, the uniformity of perovskite layer heating annealing crystallization of the perovskite battery is facilitated by an infrared heating method and accurate temperature control, and the infrared heating mode has the following advantages: the perovskite battery wet film has penetrating power, can heat inside and outside simultaneously, makes the perovskite battery wet film be heated evenly, helps the homogeneity of perovskite layer crystallization, is more suitable for the energy can be saved in the production line of the perovskite battery industrialization of nestification moreover, can effectively improve production efficiency.

Description

Heating annealing device for solar cell

Technical Field

The utility model belongs to perovskite solar cell production preparation field relates to a heating annealing device for solar cell.

Background

Organic-inorganic hybrid perovskite solar cells have raised a new research trend in the photovoltaic field due to their high photoelectric conversion efficiency and simple and cheap preparation process. Through research development in the last decade, the maximum photoelectric conversion efficiency of perovskite solar cells has increased to 25.5% of the latest certification, which is equivalent to that of commercial crystalline silicon solar cells. The perovskite battery at present attracts a great amount of research of colleges and scientific research institutes. In the preparation process of the perovskite solar cell at present, a wet film is prepared on an active layer of the perovskite solar cell by methods such as mechanical blade coating and slit coating, and then a solvent is volatilized by a hot-stage heating method to control perovskite crystallization, so that a final perovskite layer is formed. However, at present, heating the perovskite wet film by a heating method of a hot stage causes the wet film to form a heating gradient due to the heating conduction process, and finally causes the perovskite film to be non-uniform in crystallization, and meanwhile, the hot stage heating annealing method causes certain energy waste when preparing an industrialized and large-area perovskite battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome among the above-mentioned prior art, the perovskite battery adopts the shortcoming of the problem that hot platform heating annealing brought, provides a heating annealing device for solar cell.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

the utility model provides a heating annealing device for solar cell, includes closed box, and the infrared lamp is installed to the inside top surface of box, installs temperature sensor on the inside lateral wall of box, and the inboard bottom of box is equipped with the platform of placing the battery, and the base is installed to the outside bottom of box, installs switch, temperature regulation switch and controller on the base, switch is connected with the controller electricity, the controller is connected in temperature regulation switch and temperature sensor electricity respectively.

Preferably, the infrared lamps are uniformly distributed on the inner top surface of the box body.

Preferably, the temperature sensors are provided with a plurality of temperature sensors which are uniformly and dispersedly arranged on the side wall of the box body.

Preferably, the side wall of the box body is of a double-layer hollow structure, and a heat insulation layer is filled in the hollow structure of the side wall.

Preferably, the base is provided with a display screen and a display screen switch electrically connected with the display screen; the display screen is respectively and electrically connected with the temperature sensor and the controller.

Preferably, a timer electrically connected with the controller is arranged on the base.

Preferably, the box body is built by stainless steel sheets; the thickness of the side wall of the box body is more than 1.5 mm.

Preferably, the infrared lamp is an LED lamp.

Preferably, the box body is of a rectangular parallelepiped structure.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a heating annealing device for solar cell, infrared lamp install in the inside top surface of box, and opening of infrared lamp can make the interior infrared ray that produces of experiment platform, heats annealing to the wet membrane of perovskite. Simultaneously, the temperature of the infrared lamp is controlled through the controller and the temperature sensor, the uniformity of perovskite layer heating annealing crystallization of the perovskite battery is facilitated by an infrared heating method and accurate temperature control, and the infrared heating mode has the following advantages: the perovskite battery wet film has penetrating power, can be heated inside and outside simultaneously, enables the perovskite battery wet film to be heated uniformly, and is beneficial to the uniformity of perovskite layer crystallization; heat transfer media are not needed for heat transfer, and the heat efficiency is good; the local heating can be realized, the energy is saved, and a plurality of perovskite batteries can be simultaneously heated and annealed; the construction cost and the space of the furnace body are saved, and the combination, the installation and the maintenance are simple and easy; the temperature is easy to control, the temperature is quickly raised, the operation is simple, and the safety is high; the thermal inertia is small, the warming-up is not needed, and the labor is saved. Because infrared heating has above-mentioned advantage, can obtain the heating effect of high efficiency high homogeneity, and then obtain high-quality product, more be suitable for the energy can be saved in the production line of nestification in perovskite battery industrialization simultaneously, can effectively improve production efficiency.

Furthermore, the box body is made of a stainless steel plate, the thickness of the stainless steel plate is more than 1.5mm, the side wall of the box body is of a double-layer hollow structure, and a heat insulation layer is filled in the hollow structure of the side wall to prevent heat heated by infrared rays from being conducted to the equipment outer cover and the equipment base.

Furthermore, a display screen is arranged on the base, so that the temperature of each region in the box body in the heating annealing process of the perovskite solar cell core perovskite layer can be displayed in real time, and the uniformity of heating annealing and the temperature control precision can be judged.

Furthermore, a timer electrically connected with the controller is arranged on the base, so that the heating time, the heat preservation time and the heating rate can be controlled in real time, and the heating annealing process of the perovskite solar cell core perovskite layer can be accurately and conveniently controlled.

Drawings

Fig. 1 is a schematic view of the overall structure of the heating and annealing device for solar cells according to the present invention;

wherein: 101-infrared lamps; 102-a box body; 103-a display screen; 104-temperature regulating switch; 105-a timer; 106-display screen switch; 107-power switch; 108-a base; 109-temperature sensor; 110-a controller.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be described in further detail with reference to the accompanying drawings:

example 1

As shown in fig. 1, a heating annealing device for a solar cell includes a closed box 102, an infrared lamp 101 is installed on the top surface inside the box 102, a temperature sensor 109 is installed on the side wall inside the box 102, a platform for placing a battery is arranged at the bottom inside the box 102, a base 108 is installed at the bottom outside the box 102, a power switch 107, a temperature adjusting switch 104 and a controller 110 are installed on the base 108, the power switch 107 is electrically connected with the controller 110, and the controller 110 is electrically connected with the temperature adjusting switch 104 and the temperature sensor 109 respectively. The number of the infrared lamps 101 is 10, and the infrared lamps are uniformly distributed on the inner top surface of the box body 102. The temperature sensors 109 are uniformly distributed and installed on the side wall of the box body 102.

Example 2

The contents are the same as those of example 1 except for the following.

The side wall of the box body 102 is a double-layer hollow structure, and the hollow structure of the side wall is filled with a heat insulation layer. The base 108 is provided with a display screen 103 and a display screen switch 106 electrically connected with the display screen 103; the display screen 103 is electrically connected to the temperature sensor 109 and the controller 110, respectively.

Example 3

The contents are the same as those of example 1 except for the following.

The base 108 is provided with a timer 105 electrically connected to the controller 110.

Example 4

The equipment box body 102 is a stainless steel plate, the thickness of the steel plate is 1.5mm, the box body 102 is of a cuboid structure, and the size of the box body 102 is 60cm x 80 cm; a platform is arranged at the center of the bottom of the box body 102, the platform is a carrier of a perovskite battery sample, and the battery sample is processed on the platform; the top of the box 102 is equipped with 12 infrared lamps, which can heat the sample by infrared irradiation.

The method for heating and annealing the perovskite battery by using the device of the utility model is as follows:

place the battery on the inside platform of box 102, input the heating annealing temperature of setting for on controller 110, turn on switch 107, infrared lamp 101 circular telegram begins work, and temperature sensor 109 senses the inside temperature of box 102 to give controller 110 with temperature transmission, controller 110 senses the temperature and can pass through switch 107 control infrared lamp 101's temperature behind the temperature surpassing and predetermine the temperature.

To sum up, utilize the utility model discloses the device can obtain the heating effect of high efficiency high homogeneity, and then obtains the product of high-quality, more is suitable for energy saving, improvement production efficiency nested in the production line of perovskite battery industrialization simultaneously.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a heating annealing device for solar cell, a serial communication port, including closed box (102), infrared lamp (101) are installed to the inside top surface of box (102), install temperature sensor (109) on the inside lateral wall of box (102), the inboard bottom of box (102) is equipped with the platform of placing the battery, base (108) are installed to the outside bottom of box (102), install switch (107), temperature regulation switch (104) and controller (110) on base (108), switch (107) are connected with controller (110) electricity, controller (110) are connected in temperature regulation switch (104) and temperature sensor (109) electricity respectively.

2. The thermal annealer of claim 1, wherein the plurality of infrared lamps (101) are uniformly distributed on the inner top surface of the tank (102).

3. The thermal annealer of claim 1, wherein the temperature sensors (109) are provided in a plurality and are uniformly dispersed and mounted on the side wall of the tank (102).

4. The thermal annealing apparatus according to claim 1, wherein the side wall of the box body (102) has a double-layer hollow structure, and the hollow structure of the side wall is filled with a heat insulating layer.

5. The heating annealing device according to claim 1, wherein the base (108) is provided with a display screen (103) and a display screen switch (106) electrically connected with the display screen (103); the display screen (103) is electrically connected with the temperature sensor (109) and the controller (110) respectively.

6. The thermal annealer of claim 1, wherein the base (108) is provided with a timer (105) electrically connected to the controller (110).

7. The thermal annealer of claim 1, wherein the tank (102) is constructed from stainless steel sheet.

8. The thermal annealer of claim 1, wherein the side wall thickness of the tank (102) is 1.5mm or more.

9. The thermal annealer of claim 1, wherein the infrared lamp (101) is an LED lamp.

10. The thermal annealer of claim 1, wherein the tank (102) is a rectangular parallelepiped structure.

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