Molicel P28B Aerospace Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Explore the Molicel P28B cell for aerospace applications, designed to maximise flight time and optimise performance in UAVs and drones.
Value Propositions
Cylindrical 18650 form factor for efficient integration.
Nominal capacity of 10.08 Wh and 2.8 Ah for reliable energy supply.
Top-quartile volumetric energy density of 569 Wh/l, +5% vs median.
Gravimetric power density of 3,000 W/kg, among the highest in database.
Maximum continuous discharge of 40 A, top-quartile vs median 30 A.
About the Cell
The Molicel P28B is a cylindrical 18650 lithium-ion cell with a nominal capacity of 10.08 Wh and 2.8 Ah. It features a volumetric energy density of 569 Wh/l, which is 5% higher than the database median of 541.67 Wh/l, making it suitable for applications requiring compact energy storage. The gravimetric energy density stands at 210 Wh/kg, aligning with the median in the market. With a maximum continuous discharge rate of 40 A, it is positioned in the top-quartile compared to the median of 30 A. The cell's volumetric power density of 8,126 W/l is among the highest in the database, ensuring robust performance under demanding conditions.
Application Challenges
In aerospace applications, maximising flight time is critical. The Molicel P28B cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. High energy density is essential for extending drone flight times, especially in harsh environments where reliability is paramount. The ability to deliver consistent power output while managing thermal performance is crucial to prevent overheating and ensure safe operation. The P28B's specifications support long endurance missions, making it ideal for UAVs that require efficient energy management and performance reliability.
Why this Cell
The Molicel P28B cell is specifically designed for aerospace applications where maximising flight time is essential. With a nominal capacity of 10.08 Wh and a maximum continuous discharge of 40 A, it provides the necessary power for demanding UAV operations. Its volumetric energy density of 569 Wh/l is in the top-quartile compared to the median, allowing for lightweight drone battery packs that do not compromise on performance. This cell's high gravimetric power density of 3,000 W/kg ensures that it can handle high discharge rates, making it suitable for applications requiring rapid energy delivery.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Molicel P28B cell in UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the cell will perform under various conditions. This approach allows for the identification of optimal duty cycles and flight speeds, ensuring that the cell operates efficiently throughout its discharge cycle. By simulating different scenarios, potential issues such as overheating can be addressed proactively, leading to safer and more reliable drone operations.
