TerraE 50P Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the TerraE 50P cell for UAV applications, designed for safety and risk management, ensuring reliable performance during critical missions.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for efficient energy storage.
Top-quartile volumetric power density of 6859 W/l, +238% vs median.
Gravimetric energy density of 240 Wh/kg, around median for lightweight applications.
Maximum continuous discharge of 50 A, top-quartile vs median 30 A.
About the Cell
The TerraE 50P cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it provides efficient energy storage for various missions. The cell boasts a volumetric energy density of 686 Wh/l, which is significantly above the median of 542 Wh/l, ensuring that it can deliver high energy in a compact size. Additionally, it has a gravimetric energy density of 240 Wh/kg, which is around the median, making it suitable for lightweight drone designs. The cell's volumetric power density is particularly impressive at 6859 W/l, placing it in the top-quartile compared to the median of 2029 W/l, allowing for brisk current draws during demanding flight scenarios. Furthermore, the maximum continuous discharge rate of 50 A positions it well for high-performance applications, exceeding the median of 30 A.
Application Challenges
In the EVTOL sector, safety and risk management are paramount, especially concerning overheating and thermal runaway during flight. The TerraE 50P cell is designed to mitigate these risks by providing a robust energy solution that maintains performance under various conditions. High energy density is crucial for extending flight times, while effective thermal management is essential to prevent overheating. The cell's specifications ensure that it can handle the demands of UAV operations, particularly in extreme environments where reliability is critical. The ability to deliver consistent power without overheating is vital for mission success, especially in applications requiring long endurance and heavy lifting.
Why this Cell
The TerraE 50P cell is an ideal choice for UAV applications due to its impressive specifications. With a maximum continuous discharge rate of 50 A, it is in the top-quartile compared to the median of 30 A, ensuring that it can meet the high demands of drone operations. The cell's volumetric energy density of 686 Wh/l is significantly above the median, allowing for longer flight times without increasing weight. This is particularly important in safety-critical applications where every minute of airtime counts. Additionally, the cell's gravimetric energy density of 240 Wh/kg supports lightweight drone designs, making it easier to achieve optimal flight performance. The combination of these metrics ensures that the TerraE 50P cell can effectively address the challenges of overheating and thermal runaway during flight.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 50P cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under various conditions. This approach allows for the identification of potential overheating issues before they occur, enabling proactive measures to be taken. For instance, simulations can help determine the optimal discharge rates and charging cycles, ensuring that the cell operates within safe limits. Additionally, by analysing the usable energy across different flight scenarios, designers can make informed decisions about cell selection and configuration, ultimately leading to safer and more efficient UAV operations. This predictive capability is essential for maintaining reliability in mission-critical applications, where understanding the thermal dynamics of the battery can prevent failures and enhance overall performance.
