TerraE 50P Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the TerraE 50P cell for drones, optimised for safety and performance, addressing overheating and thermal runaway challenges.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable performance.
Volumetric energy density of 686 Wh/l, top-quartile vs median.
Gravimetric power density of 2400 W/kg, among the highest in database.
Maximum continuous discharge of 50 A, top-quartile vs median.

About the Cell
The TerraE 50P cell is designed in a cylindrical 21700 form factor, providing a nominal capacity of 18.0 Wh (5.0 Ah). This cell boasts a volumetric energy density of 686 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l. Additionally, it features a gravimetric energy density of 240 Wh/kg, which is significantly higher than the median of 210 Wh/kg. The cell's volumetric power density reaches 6859.76 W/l, which is among the highest in the database, ensuring robust performance under demanding conditions. With a maximum continuous discharge of 50 A, this cell is well-suited for high-drain applications, particularly in drone operations where reliability and efficiency are paramount.
Application Challenges
In the context of drones, safety and risk management are critical, particularly concerning overheating and thermal runaway during flight. Drones operate in various environments, often requiring long endurance and high performance. The ability to manage thermal conditions effectively is essential to prevent failures that could lead to mission loss or safety hazards. The TerraE 50P cell's high energy density and robust discharge capabilities are vital in addressing these challenges, ensuring that drones can operate safely and efficiently even under extreme conditions. The risk of thermal runaway is a significant concern in lithium-ion cells, making the selection of the right battery crucial for UAV applications.
Why this Cell
The TerraE 50P cell is an excellent choice for drone applications due to its impressive specifications. With a maximum continuous discharge of 50 A, it falls into the top-quartile compared to the median of 30 A in the database, making it suitable for high-demand scenarios. Its volumetric energy density of 686 Wh/l is significantly above the median, providing drones with the necessary power for extended flight times. Furthermore, the gravimetric power density of 2400 W/kg ensures that the cell can deliver high performance without adding excessive weight, which is critical for UAV efficiency. These characteristics make the TerraE 50P an ideal candidate for applications requiring reliable and safe battery solutions.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 50P cell in drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the cell will perform under various conditions. This approach allows for the identification of potential overheating issues and thermal runaway risks before they occur. For instance, simulating different flight scenarios helps in understanding how the cell's energy output varies with temperature and discharge rates. This predictive capability enables engineers to select the most suitable cells for specific missions, ensuring that drones can operate safely and effectively, even in challenging environments. By leveraging simulation, the design process becomes more efficient, reducing the need for extensive physical testing and accelerating the development of reliable UAV battery solutions.


