一种抽气结晶器设备
By designing a vacuum crystallizer, uniform film formation of perovskite solar cells was achieved, solving the problems of uneven film formation and numerous defects, and improving the quality of the perovskite film and the stability of the cells.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KAIFU GREEN ENERGY (XIAN) OPTOELECTRONICS CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-07-17
AI Technical Summary
Perovskite solar cells suffer from uneven film layers and numerous defects during the film crystallization process, resulting in high resistance loss, decreased light absorption, and poor cell stability.
A vacuum crystallizer device was designed, including a crystallization film forming main unit, a vacuum pump assembly, and a vacuum pipeline assembly. Combined with sensors and a control system, it enables real-time monitoring and regulation of the vacuum rate, chamber pressure, humidity, and temperature, ensuring the uniformity and quality of the film formation.
By precisely controlling the gas extraction process and the ambient atmosphere, the quality of the perovskite film was significantly improved, solving the problems of uneven film and numerous defects, and enhancing the stability and efficiency of the battery.
Smart Images
Figure CN224521528U_ABST
Abstract
Claims
1. A gas draw crystallizer apparatus, characterized by, include: Crystallization film forming host (1), vacuum pump assembly (3), and vacuum pipeline assembly (2) for connecting the crystallization film forming host (1) and the vacuum pump assembly (3). The crystallization film forming host (1) includes host mechanical components (11) and a vacuum crystallization control system (12). The main mechanical components (11) include a housing assembly (11-1), a main cavity (11-2), a rotary pressing platform assembly (11-3), a seal (11-4), a cavity switching valve assembly (11-5), a venting assembly (11-6), a main pipeline assembly (11-7), a start / stop button (11-8), a switch assembly (11-9), and an air outlet (11-10). The gas extraction and crystallization control system (12) includes a control component (12-1), a sensor component, and an execution unit; The vacuum pipeline assembly (2) includes a vacuum pipeline (21) and a dynamic pressure regulating assembly (22).
2. The vacuum crystallizer device according to claim 1, characterized in that: The control component (12-1) includes an operation component, a data integration unit, an abnormal alarm unit, and an emergency stop component; wherein the sensor component includes a first sensor, a second sensor, and a third sensor.
3. The vacuum crystallizer device according to claims 1-2, characterized in that: The first sensor monitors the pumping rate in real time and transmits the data to the data integration unit. The second sensor monitors the local and overall pressure within the cavity in real time and transmits the pressure data to the data integration unit. The third sensor monitors the air extraction humidity, temperature, and crystallization state in real time and transmits the data to the data integration unit. Based on the feedback information and the data from the data integration unit, the air extraction parameters are adjusted.
4. The vacuum crystallizer device according to claim 1, characterized in that: The rotary pressing platform assembly (11-3) includes a rotary pressing drive mechanism, a rotary arm, a support assembly, and a platform; The rotary pressing stage assembly (11-3) and the main body cavity (11-2) can achieve self-adaptive sealing pressing.
5. The vacuum crystallizer device according to claims 1-4, characterized in that: The mating surface between the stage and the main body cavity (11-2) can be provided with a layout area, and the layout area is recessed by not less than 0.5 mm relative to the outer periphery of the stage; The platform may also be provided with a clamping sampling groove, which is sunken by no less than 1 mm relative to the outer periphery of the platform; The stage can also be provided with an air extraction channel, which allows the sample to be adsorbed and fixed in the sample placement area of the stage by air extraction. The platform can be adjusted to raise or lower the temperature, maintain the temperature, and change the temperature.
6. The vacuum crystallizer device according to claim 5, characterized in that: The main body cavity (11-2) and the stage-fitting end chamber are rotating structures or centrally symmetrical structures.
7. The vacuum crystallizer device according to claims 1-6, characterized in that: The support component is a flexible adaptive support component, wherein the support screw has a structure that is thinner in the middle and thicker at both ends with a rounded transition, and the ratio of the cross-sectional area of the smaller end of the support screw to the cross-sectional area of the middle section is not less than 1.5; The support screw pushes the carrier to compress the adhering surface when the support screw is subjected to the vertical pressure of the rotating compression driving mechanism, and the middle section of the support screw is inclined according to the adhering area, and the inclination angle is 0-45° in the circumferential direction.