Perovskite slit coating device and perovskite cell preparation system

By designing a perovskite slit coating device containing a sealing cover and a profiling fixture, the problem that the coating device in the existing process is susceptible to the external environment, and high-quality perovskite film formation and in-situ flash evaporation are achieved, which improves battery performance and saves equipment costs.

CN222678583UActive Publication Date: 2025-03-28BEI JING SHUO WEI GUANG DIAN KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202421178823.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-03-28
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

In the existing perovskite battery preparation process, the coating device is easily affected by the external environment, resulting in unstable film formation quality and affecting battery performance.

Method used

A perovskite slit coating device is designed, including a base, coating mechanism, sealing cover, nitrogen pipe, vacuum pipe, pronunciation fixture and lifting mechanism. Through the design of sealing cover and pronunciation fixture, sealing coating and in-situ flash evaporation are achieved to ensure environmental consistency and avoid dust influence.

Benefits of technology

The perovskite film formation quality is improved, the uniformity of each coating environment is ensured, the impact of dust on the sample is avoided, and in-situ flash evaporation is achieved, reducing equipment costs.

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Abstract

The utility model relates to the field of perovskite cell preparation equipment, and provides a perovskite slit coating device and a preparation system of a perovskite cell. The perovskite slit coating device comprises a base station, a coating mechanism, a sealing cover, a nitrogen pipe, a vacuumizing pipe, a profiling jig and a lifting mechanism, a sample to be coated is arranged on the base station, the coating mechanism slides relative to the sample, the sealing cover is arranged on the base station, the coating mechanism, the sample, the profiling jig and the lifting mechanism are all located in the sealing cover, and the nitrogen pipe is arranged on the nitrogen pipe. The nitrogen pipe and the vacuumizing pipe are communicated with the interior of the sealing cover, the coating mechanism is provided with a coating lip, the profiling jig is located under the coating lip, the shape of the profiling jig is matched with that of the coating lip, and the lifting mechanism is connected with the bottom of the profiling jig to drive the profiling jig to ascend and descend. According to the perovskite slit coating device, the consistency of the environment atmosphere during coating each time can be ensured, the influence of dust on a sample is avoided, meanwhile, in-situ flash evaporation can be realized, the perovskite film forming quality is improved, and the equipment cost is saved.
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