TerraE 20P Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation. Core Technical Keywords
Explore the TerraE 20P cell for mission feasibility assessment in EVTOL applications, addressing challenges in UAV battery design and optimisation.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
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 current demands.
Gravimetric energy density of 160 Wh/kg for lightweight UAV designs.
Maximum continuous discharge of 30 A for demanding UAV operations.

About the Cell
The TerraE 20P cell features a cylindrical 18650 form factor, providing a nominal capacity of 7.2 Wh and 2.0 Ah. With a volumetric energy density of 395 Wh/l, it is well-suited for UAV applications where space is a premium. The gravimetric energy density stands at 160 Wh/kg, making it a lightweight option for drone battery packs. Additionally, the cell boasts a volumetric power density of 5,918 W/l and a gravimetric power density of 2,400 W/kg, ensuring it can handle high discharge rates effectively. The standard charge current is 1.0 A, with a maximum continuous charge of 4.0 A, allowing for efficient energy replenishment. The cell's performance metrics position it among the highest in the database for volumetric power density, exceeding the median by +62%.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the TerraE 20P cell addresses critical challenges in UAV battery design. The ability to assess what missions or use cases are possible using simulation is paramount. The nominal capacity of 7.2 Wh is essential for ensuring that drones can complete their missions without running out of power. Furthermore, the high energy density of the 20P cell allows for longer flight times, which is crucial for applications such as surveillance and delivery. The maximum continuous discharge of 30 A ensures that the cell can support high-performance UAVs, particularly in demanding environments. Accurate simulation of battery performance under various conditions is vital for preventing mid-air failures and ensuring mission success.
Why this Cell
The TerraE 20P cell is an excellent choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge of 30 A, it is positioned in the top-quartile compared to the median of 30 A in the database. This capability is crucial for UAVs that require high discharge rates during takeoff and manoeuvring. Additionally, the cell's volumetric energy density of 395 Wh/l is significantly above the median of 542 Wh/l, making it a competitive option for long endurance drone batteries. The lightweight design, with a gravimetric energy density of 160 Wh/kg, allows for custom UAV battery packs that do not compromise on performance. These features collectively enhance UAV battery optimisation, making the TerraE 20P a reliable choice for mission feasibility assessments.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 20P cell for UAV 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 accurate assessments of battery thermal management, ensuring that the cell does not overheat during high discharge scenarios. Furthermore, simulation enables the prediction of usable energy across the entire flight envelope, which is essential for making informed go/no-go decisions. By leveraging cell-specific data, designers can optimise battery pack configurations, enhancing overall drone powertrain efficiency and extending flight times. This method reduces reliance on trial-and-error testing, saving time and resources while ensuring mission success.


