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Efficiency Decreases in a Laminated Solar Cell Developed for a UAV.

Krzysztof Mateja^1,2, Wojciech Skarka^1,2, Aleksandra Drygała³

¹Department of Fundamentals of Machinery Design, Silesian University of Technology, Stanisława Konarskiego 18A, 44-100 Gliwice, Poland.

Materials (Basel, Switzerland)

|December 23, 2022

Summary

This summary is machine-generated.

Laminating flexible solar cells for unmanned aerial vehicles (UAVs) protects them but slightly reduces efficiency. Careful parameter selection during lamination minimizes performance loss for energy-autonomous UAVs.

Keywords:

UAV power supply system energy harvesting flexible solar cell lamination renewable energy

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Area of Science:

Aerospace Engineering
Materials Science
Renewable Energy

Background:

Energy autonomy is crucial for long-endurance unmanned aerial vehicle (UAV) flights, enabling continuous data collection and monitoring.
Flexible solar cells on UAVs offer a promising energy harvesting solution but are vulnerable to damage and contamination.
Protective coatings, particularly lamination, are necessary to preserve the integrity of solar cells on UAVs.

Purpose of the Study:

To investigate the impact of the lamination process on the performance of flexible photovoltaic (PV) panels for UAV applications.
To determine optimal lamination parameters (temperature, feed speed) to minimize defects and performance degradation.
To provide data for selecting the appropriate number of solar cells for UAVs, accounting for lamination-induced losses.

Main Methods:

Flexible PV panels were laminated using controlled temperature and feed speed settings.
Current-voltage (I-V) characteristics of the PV panels were measured before and after the lamination process.
Efficiency changes were calculated based on the I-V data to quantify performance loss.

Main Results:

The lamination process, while protective, resulted in a reduction in solar cell performance.
For flexible PV panels tested, efficiency decreased from 24.29% to 23.33% after lamination.
Specific lamination parameters were identified as critical for minimizing structural defects and performance impact.

Conclusions:

Lamination is a viable method for protecting flexible solar cells on UAVs, but efficiency losses must be considered.
Optimizing lamination parameters is essential to balance protection and performance for energy-autonomous UAVs.
The study provides crucial data for the design and power budgeting of UAVs utilizing laminated solar cells.