Molicel P60B Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Molicel P60B, a high-performance battery designed for EVTOL applications, addressing safety and thermal management challenges.
Value Propositions
Cylindrical 21700 form factor for compact designs.
Nominal capacity of 21.6 Wh and 6.0 Ah for extended flight times.
Top-quartile volumetric energy density of 860 Wh/l for lightweight applications.
Maximum continuous discharge of 100 A, ensuring high performance under load.
Gravimetric power density of 4800 W/kg, ideal for rapid energy delivery.
About the Cell
The Molicel P60B is a cylindrical 21700 lithium-ion cell with a nominal capacity of 21.6 Wh (6.0 Ah). It features a volumetric energy density of 860 Wh/l, placing it in the top-quartile compared to the database median of 541.67 Wh/l, making it an excellent choice for applications requiring high energy density. The cell also boasts a maximum continuous discharge rate of 100 A, which is significantly above the database median of 30 A, ensuring it can handle demanding applications such as UAVs and drones. With a gravimetric energy density of 288 Wh/kg, it provides a lightweight solution for drone battery packs, enhancing overall flight efficiency.
Application Challenges
In EVTOL applications, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Molicel P60B addresses these challenges with its high maximum continuous discharge rate of 100 A, which allows for robust performance without compromising safety. The ability to manage thermal conditions effectively is crucial, as overheating can lead to catastrophic failures. The high energy density of 860 Wh/l ensures that drones can operate efficiently over extended periods, which is essential for mission-critical operations. Furthermore, the lightweight design of the P60B helps to improve UAV mission endurance, allowing for longer flight times and greater payload capacities.
Why this Cell
The Molicel P60B is specifically designed to meet the rigorous demands of EVTOL applications, particularly in safety and risk management. Its maximum continuous discharge rate of 100 A is among the highest in the database, providing the necessary power for high-performance UAVs. Additionally, its volumetric energy density of 860 Wh/l is significantly above the median, allowing for lightweight drone battery packs that do not compromise on energy supply. This combination of high energy and power density ensures that the P60B can effectively prevent overheating and thermal runaway, making it a reliable choice for drone manufacturers focused on safety.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Molicel P60B for EVTOL applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and temperature fluctuations. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that the drones can operate safely and efficiently. For instance, simulations can identify potential overheating issues before they occur, enabling proactive design adjustments. This approach not only enhances safety but also improves overall mission reliability, making it a vital tool in the development of UAV battery packs.
