TerraE 25P4 Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the TerraE 25P4 cell for EVTOL applications, optimising drone missions with high energy density and reliable performance for challenging environments.
Value Propositions
Cylindrical 18650 form factor with a nominal capacity of 9.0 Wh.
Volumetric energy density of 498 Wh/l, around median for high-performance cells.
Gravimetric energy density of 191 Wh/kg, ensuring lightweight designs for UAVs.
Maximum continuous discharge of 30 A, top-quartile vs median for demanding applications.
Standard charge current of 2.5 A, facilitating efficient recharging cycles.
About the Cell
The TerraE 25P4 cell features a cylindrical 18650 form factor, delivering a nominal capacity of 9.0 Wh and a nominal charge capacity of 2.5 Ah. With a volumetric energy density of 498 Wh/l, this cell is positioned around the median compared to similar offerings in the market. Its gravimetric energy density of 191 Wh/kg ensures that it remains lightweight, which is crucial for UAV applications where every gram counts. The cell's volumetric power density of 5,977 W/l is among the highest in the database, enabling rapid energy delivery during demanding flight profiles. Additionally, the maximum continuous discharge rate of 30 A places it in the top-quartile, making it suitable for high-performance UAVs that require robust power output. The standard charge current of 2.5 A allows for efficient recharging, ensuring that drones can return to service quickly after missions.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the TerraE 25P4 cell addresses critical challenges faced by UAV operators. The ability to assess what missions or use cases are possible or not using a go/no-go decision is paramount. High energy density is essential for long endurance drone batteries, allowing for extended flight times without the need for frequent recharges. The lightweight nature of the 25P4 cell supports the design of UAVs that can carry additional payloads or operate more efficiently. Furthermore, the high discharge rates are crucial for applications that require rapid bursts of power, such as takeoff or sudden manoeuvres. Preventing battery overheating is another significant concern, especially in extreme environments, where thermal management becomes critical. The TerraE 25P4 cell's design mitigates these risks, ensuring reliable performance across various mission profiles.
Why this Cell
The TerraE 25P4 cell is an excellent choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge rate of 30 A, it ranks in the top-quartile compared to the median of 30 A in the database, ensuring that it can handle the power demands of high-performance UAVs. Its volumetric energy density of 498 Wh/l is around the median, providing a solid balance between energy storage and weight. This is particularly important for mission feasibility assessments, where the ability to maximise flight time while maintaining payload capacity is essential. The cell's gravimetric energy density of 191 Wh/kg supports lightweight drone battery packs, making it ideal for applications requiring agility and efficiency. Additionally, the standard charge current of 2.5 A allows for quick turnaround times, enhancing operational efficiency.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the selection of the TerraE 25P4 cell for UAV applications. By modelling load profiles, engineers can predict the thermal behaviour of the cell under various operational conditions, ensuring that it can withstand the demands of high-energy missions. This includes assessing voltage sag and usable energy across different flight scenarios, which is vital for accurate mission feasibility assessments. The ability to simulate these parameters allows for informed decision-making, enabling operators to confidently select the right cell for their specific needs. Furthermore, this approach helps in identifying potential issues such as overheating or insufficient power delivery, allowing for proactive measures to be taken before deployment. Ultimately, simulation enhances the reliability of UAV operations, ensuring that missions can be executed successfully without unexpected failures.
