TerraE 40P Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the TerraE 40P cell for drones, designed for safety and risk management, ensuring reliable performance during critical missions.
Value Propositions
Cylindrical 21700 form factor for efficient space utilisation.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable energy supply.
Top-quartile volumetric energy density of 566 Wh/l for compact designs.
Maximum continuous discharge of 45 A, enabling high-performance applications.
Gravimetric power density of 2,418 W/kg, ideal for demanding UAV operations.
About the Cell
The TerraE 40P cell features a cylindrical 21700 form factor, optimised for drone applications. With a nominal capacity of 14.4 Wh (4.0 Ah), it provides a robust energy supply for various UAV missions. The cell boasts a volumetric energy density of 566 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l. Additionally, its gravimetric energy density of 215 Wh/kg is around the median, ensuring a lightweight solution for drone battery packs. The cell's volumetric power density of 6,365 W/l is among the highest in the database, facilitating high energy output during critical operations. With a maximum continuous discharge of 45 A, the TerraE 40P is designed to meet the rigorous demands of drone applications, particularly in safety-sensitive environments.
Application Challenges
In the realm of drones, safety and risk management are paramount, especially concerning overheating and thermal runaway during flight. The TerraE 40P cell addresses these challenges by providing a reliable energy source that maintains performance under various conditions. The high energy density ensures that drones can operate longer without the risk of overheating, which is crucial for missions that require extended flight times. Additionally, the cell's robust discharge capabilities allow for quick bursts of power, essential for manoeuvring and maintaining stability during flight. The ability to predict and manage battery performance is vital in preventing thermal runaway, making the TerraE 40P an ideal choice for UAV applications.
Why this Cell
The TerraE 40P cell is specifically engineered for drone applications, with metrics that align perfectly with the needs of UAVs. Its maximum continuous discharge of 45 A positions it in the top-quartile compared to the database median of 30 A, ensuring that it can handle demanding power requirements without compromising safety. The cell's volumetric energy density of 566 Wh/l is among the highest, allowing for compact battery designs that do not sacrifice performance. Furthermore, the gravimetric power density of 2,418 W/kg supports high discharge rates, making it suitable for applications that require rapid energy delivery. These features collectively enhance the safety and reliability of drone operations, particularly in critical missions.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 40P cell for drone applications. By simulating load profiles, thermal behaviour, and voltage responses, engineers can accurately predict how the cell will perform under various conditions. This approach allows for the identification of potential overheating issues and enables the selection of the most suitable cell for specific mission profiles. For instance, modelling the thermal rise during high discharge scenarios helps in understanding the limits of the cell, ensuring that it operates safely within its thermal thresholds. Additionally, simulations can assist in predicting the state of charge (SoC) accurately, which is vital for mission planning and execution. This data-driven approach minimises the risks associated with battery performance, ultimately leading to safer and more efficient drone operations.
