TerraE 32P Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the TerraE 32P cell, designed for UAV safety and risk management, optimising performance while preventing overheating during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 11.1 Wh and 3.0 Ah for reliable energy delivery.
Top-quartile volumetric power density of 6296 W/l, +55% vs median.
Gravimetric energy density of 231.25 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 30 A, supporting high-performance applications.

About the Cell
The TerraE 32P cell features a cylindrical 18650 form factor, optimised for UAV applications. With a nominal capacity of 11.1 Wh and 3.0 Ah, it delivers reliable energy for various flight profiles. Its volumetric energy density stands at 629.609 Wh/l, placing it in the top-quartile compared to the median of 541.667 Wh/l in the database. The gravimetric energy density of 231.25 Wh/kg is also noteworthy, as it ensures lightweight solutions for drone applications. Additionally, the cell boasts a maximum continuous discharge of 30 A, which is essential for high-performance UAV operations, and a volumetric power density of 6296.09 W/l, which is +55% vs the median of 2029.31 W/l, making it suitable for demanding applications.
Application Challenges
In the context of EVTOL and safety and risk management, particularly around overheating and thermal runaway during flight, the TerraE 32P cell addresses critical challenges. The high energy density is vital for extending drone flight time, while the robust thermal management capabilities help prevent overheating. As UAVs operate in various environments, ensuring reliable performance under thermal stress is crucial. The ability to maintain performance during high discharge rates is essential for mission success, especially in emergency or defence scenarios where reliability is paramount.
Why this Cell
The TerraE 32P cell is specifically designed to meet the demands of EVTOL applications. With a maximum continuous discharge of 30 A, it supports high-performance needs, making it ideal for UAVs that require quick bursts of power. The volumetric energy density of 629.609 Wh/l places it in the top-quartile compared to the median, ensuring that UAVs can carry more energy without increasing weight. This is particularly important for safety and risk management, as it allows for longer flight times while maintaining thermal stability. The lightweight design, with a gravimetric energy density of 231.25 Wh/kg, further enhances the cell's suitability for drone applications, where every gram counts.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 32P 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, ensuring that the cell operates safely within its limits. Additionally, simulations can help in determining the most efficient energy usage during flight, allowing for better mission planning and execution. By leveraging cell-specific data, designers can make informed decisions that enhance the overall performance and reliability of UAVs.


