TerraE 20P Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the TerraE 20P cell for drones, designed for safety and risk management against overheating and thermal runaway during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 7.2 Wh and 2.0 Ah for reliable performance.
Top-quartile volumetric power density of 5,918 W/l for high energy demands.
Gravimetric energy density of 160 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 30 A for demanding applications.
About the Cell
The TerraE 20P cell features a cylindrical 18650 form factor, with a nominal capacity of 7.2 Wh and 2.0 Ah. Its volumetric energy density is 395 Wh/l, while the gravimetric energy density stands at 160 Wh/kg. The cell also boasts a volumetric power density of 5,918 W/l and a gravimetric power density of 2,400 W/kg, making it suitable for high-performance applications. Compared to the database median, the volumetric power density is in the top-quartile, exceeding the median by +76% against 2,029 W/l. This cell is designed to meet the rigorous demands of drone applications, particularly in safety and risk management scenarios.
Application Challenges
In the context of drones, safety and risk management is paramount, especially concerning overheating and thermal runaway during flight. The TerraE 20P cell's specifications are crucial in addressing these challenges. With a maximum continuous discharge of 30 A, it can handle high current draws without compromising safety. The lightweight design, with a mass of 45 g, contributes to extended flight times, which is essential for mission success. The ability to maintain performance under various conditions is vital for UAV operations, particularly in extreme environments where thermal management is critical.
Why this Cell
The TerraE 20P cell is an excellent choice for drones due to its impressive metrics. With a maximum continuous discharge of 30 A, it is positioned in the top-quartile compared to the database median of 30 A. The cell's gravimetric energy density of 160 Wh/kg ensures that it remains lightweight, which is crucial for UAV applications. Additionally, its volumetric energy density of 395 Wh/l is significantly above the median, providing high energy storage in a compact form. This combination of features makes it ideal for applications requiring high energy density and safety, particularly in preventing overheating and ensuring reliable performance.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the TerraE 20P cell in drone 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 cell for specific missions, ensuring that the drone can operate safely and efficiently. For instance, simulating the thermal rise during high current draws helps identify potential overheating issues before they occur, enabling proactive design adjustments. Furthermore, accurate modelling of voltage sag and usable energy ensures that operators can make informed decisions regarding mission feasibility, particularly in challenging environments.
