The perovskite cell testing equipment is a complex system designed to comprehensively evaluate the performance, stability, and reliability of perovskite solar cells. The following are its main components:

1. Light source simulation system

Function and Function: As a basic testing device, it can simulate sunlight under different conditions, including spectral distribution, light intensity, and angle. It provides a controllable light environment for perovskite cells to accurately measure their performance under different lighting conditions.

Specific composition example: Imported short arc xenon lamps are usually used as the light source, and an efficient spotlight and a self-designed optical integrator for uniform light intensity are integrated to ensure the uniformity and stability of illumination. Some devices are also equipped with AM1.5G filters to make the spectrum closer to standard sunlight.

2. Perovskite battery testing electrical performance testing instrument

Function and Function: Used to measure the current voltage (I-V) characteristic curve of perovskite solar cells, which can be used to calculate key parameters of the cell, such as short-circuit current, open circuit voltage, fill factor, and conversion efficiency. These parameters are important indicators for measuring battery performance.

Common types include source tables, digital multimeters, and data collection systems. They can accurately record the current output at different voltages or voltage changes at different currents, providing data support for analyzing battery performance.

3. Environmental control equipment

Function and Function: Due to the significant impact of environmental factors on the performance of perovskite solar cells, this type of equipment is used to create environmental conditions that are consistent with practical applications. For example, a temperature controller can adjust the temperature of the testing environment, a humidity controller can control the humidity level, and a wind speed simulator can simulate different wind speed conditions to study the impact of environmental factors on battery performance.

Application scenario example: Testing in a high-temperature and high humidity environment test chamber to evaluate the stability of batteries in harsh environments; Alternatively, a specific temperature point can be set in the temperature control box to observe the performance changes of the battery at that temperature.

4. Preparation and processing equipment for perovskite cell test samples

Function and Function: Mainly used for preparing high-quality perovskite thin film samples and subsequent processing operations. High quality samples are a prerequisite for obtaining accurate test results, and these devices can help researchers achieve precise processing and handling of materials.

Typical equipment: such as a spin coater, can be used to uniformly coat perovskite precursor solution onto a substrate to form a thin film; The hot annealing furnace is used for heat treatment of the prepared thin film to improve its crystallization quality; Vacuum evaporation equipment can be used for depositing electrodes or other functional layers.

5. Data analysis software

Function and role: Responsible for automatically collecting, analyzing, and processing the data collected during the testing process, and generating intuitive reports and charts. With the help of this software, researchers can quickly understand the performance of perovskite solar cells, identify potential issues, and guide further research and optimization work.

Advantages: It can efficiently process large amounts of data, improve the efficiency and accuracy of data analysis, and facilitate users to compare and analyze data trends.

6. Perovskite cell testing chamber and auxiliary device

Function and Function: The light chamber provides a closed space for the light source simulation system, reducing external interference. The internal precision power controller can provide stable power supply to ensure the normal operation of the light source; The optical shutter control unit can achieve precise control of the illumination time; A collimating lens can make the light more concentrated and shine on the sample; The equipment bracket is used to fix and adjust the position of various components.

Design features: Some light chambers adopt a fully black anti reflective design to reduce the influence of stray light and improve testing accuracy.

7. Test fixture

Function and Function: Used to firmly fix perovskite cells on the testing platform, ensuring the stability of the cell position during testing, ensuring consistency in testing conditions, and thus improving the comparability of test results.

Structural design considerations: Customized design will be carried out based on the shape and size of the battery, ensuring moderate clamping force to avoid damaging the battery, and facilitating installation and disassembly.

8. Perovskite cell testing electroluminescence (EL) testing system

Function and Function: When a forward bias voltage is applied to a perovskite battery, the battery will produce electroluminescence. The system uses an imaging camera to capture this glowing image, and through analysis of the image, it can detect defects in battery materials, abnormalities during the preparation process, cracks, and other issues, which is of great significance for evaluating the quality and reliability of batteries.

Supporting components: In order to eliminate interference light, specific long wave pass cutoff filters and short wave pass cutoff filters need to be installed in front of the imaging camera lens.