Molicel P50S Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Molicel P50S cell for drones, designed for safety and risk management, ensuring optimal performance and thermal stability during flight.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 14,068 W/l for high performance.
Gravimetric energy density of 254 Wh/kg, enhancing drone efficiency.
Maximum continuous discharge of 100 A, ideal for demanding applications.
About the Cell
The Molicel P50S is a cylindrical 21700 cell with a nominal capacity of 18.0 Wh and 5.0 Ah. It boasts a volumetric energy density of 703 Wh/l, placing it among the highest in the database, and a gravimetric energy density of 254 Wh/kg, which is top-quartile compared to the median of 210 Wh/kg. The cell's volumetric power density of 14,068 W/l is exceptional, exceeding the median of 2,029 W/l by +691%. With a maximum continuous discharge of 100 A and a maximum continuous charge of 25 A, it is well-suited for high-demand applications in drone technology. This cell is designed to meet the rigorous demands of drone battery design, ensuring safety and performance during operation.
Application Challenges
In the context of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Molicel P50S cell addresses these challenges by providing high energy density and robust performance under varying load conditions. The ability to maintain stable temperatures and prevent overheating is crucial for extending drone flight time and improving mission endurance. As drones operate in diverse environments, the need for reliable battery performance becomes critical, especially in extreme conditions where thermal management is essential.
Why this Cell
The Molicel P50S cell is an excellent choice for drone applications due to its high energy density and robust discharge capabilities. With a maximum continuous discharge of 100 A, it is positioned in the top-quartile compared to the median of 30 A in the database, ensuring that it can handle demanding power requirements without compromising safety. The cell's volumetric energy density of 703 Wh/l is significantly above the median, making it ideal for lightweight drone battery packs that require long endurance. This combination of performance metrics makes the P50S a reliable option for UAV battery pack design, ensuring that drones can operate efficiently and safely.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Molicel P50S cell in drone applications. By simulating load profiles and thermal behaviour, engineers can accurately predict how the cell will perform under various conditions, including high discharge rates and extreme temperatures. This predictive capability allows for informed decisions in cell selection, ensuring that the chosen battery can meet the specific demands of the mission. For instance, modelling heat generation and voltage response helps in identifying the best thermal management strategies, ultimately preventing overheating and enhancing the overall safety of drone operations. This approach not only improves battery performance but also reduces the risk of thermal runaway, making it a vital tool in UAV battery optimisation.
