Molicel P50B Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Molicel P50B cell, designed for EVTOL applications, addressing safety and thermal challenges in drone battery management.
Value Propositions
Cylindrical 21700 form factor for efficient design.|Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.|Volumetric energy density of 703 Wh/l, top-quartile vs median.|Gravimetric energy density of 257 Wh/kg, ensuring lightweight solutions.|Maximum continuous discharge of 60 A, ideal for high-performance UAVs.
The Molicel P50B is engineered for safety and performance in EVTOL applications.|Its design prioritises thermal management to prevent overheating.|Optimised for long endurance flights, making it suitable for various UAV missions.|High energy density supports extended flight times, crucial for operational efficiency.|Customisable for specific UAV battery pack designs.
With a standard charge current of 5.0 A, it ensures quick recharging.|Maximum continuous charge of 25.0 A allows for rapid energy replenishment.|Volumetric power density of 8440 W/l, among the highest in the database.|Gravimetric power density of 3085 W/kg, ensuring robust performance under load.|Standard charge rate of 1.0 C for efficient energy management.
Designed to meet the demands of drone battery design and UAV optimisation.|Ideal for applications requiring high discharge rates and reliability.|Supports various UAV configurations, including heavy-lift and fixed-wing.|Custom UAV battery packs can be developed using this cell.|Facilitates accurate battery state of charge (SoC) predictions.
The P50B cell is a key component in enhancing drone powertrain efficiency.|Aids in battery thermal management for safe operation.|Perfect for extreme environments where reliability is critical.|Enables mission-specific battery solutions for diverse applications.|Supports the development of lightweight drone battery packs.
About the Cell
The Molicel P50B is a cylindrical 21700 cell with a nominal capacity of 18.0 Wh and 5.0 Ah, making it suitable for high-performance applications. It boasts a volumetric energy density of 703 Wh/l, which is in the top-quartile compared to the database median of 541.67 Wh/l, and a gravimetric energy density of 257 Wh/kg, which is around the median of 210 Wh/kg. The cell's volumetric power density of 8440 W/l is among the highest in the database, while its gravimetric power density of 3085 W/kg is also impressive, providing robust performance for demanding UAV applications. With a maximum continuous discharge of 60 A, it is well-suited for high energy demands during flight, ensuring that drones can operate efficiently and safely.
Application Challenges
In the EVTOL sector, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Molicel P50B cell addresses these challenges by providing high energy density and robust thermal management capabilities. The ability to maintain performance under high discharge rates is critical for ensuring that drones can complete their missions without risking battery failure. Additionally, the cell's design allows for effective heat dissipation, which is essential in preventing thermal runaway, a significant concern in UAV operations. As drones are increasingly used in various applications, including heavy-lift and fixed-wing operations, the need for reliable battery solutions that can withstand extreme environments becomes even more pressing.
Why this Cell
The Molicel P50B cell is specifically designed to meet the rigorous demands of EVTOL applications, particularly in safety and risk management. Its maximum continuous discharge of 60 A positions it in the top-quartile compared to the database median of 30 A, making it ideal for high-performance UAVs. The cell's volumetric energy density of 703 Wh/l, which is significantly above the median, ensures that drones can achieve longer flight times without compromising on safety. Furthermore, its robust thermal management capabilities help prevent overheating, addressing one of the core challenges in drone battery design. This combination of high energy density and safety features makes the P50B an excellent choice for UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Molicel P50B cell for UAV applications. By modelling 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 the selection of the most suitable cells for specific missions, ensuring that drones can operate reliably without the risk of overheating or thermal runaway. Additionally, simulation enables the identification of optimal charging strategies and energy management practices, further enhancing the efficiency and safety of drone operations. By leveraging these advanced design techniques, manufacturers can develop custom UAV battery packs that meet the unique demands of their applications.
