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TerraE 20P EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.

Explore the TerraE 20P cell for EVTOL applications, designed to maximise flight time and optimise performance under demanding conditions.

Value Propositions

  • Cylindrical 18650 form factor for versatile integration.

  • Nominal capacity of 7.2 Wh and 2.0 Ah for reliable energy supply.

  • Top-quartile volumetric power density of 5,918 W/l for high performance.

  • Gravimetric energy density of 160 Wh/kg for lightweight drone battery packs.

  • Maximum continuous discharge of 30 A for demanding UAV applications.

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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 stands out in the market, being around the median compared to other cells. The gravimetric energy density of 160 Wh/kg is also competitive, ensuring that drone designs can maintain lightweight configurations. The cell's volumetric power density of 5,918 W/l places it in the top-quartile of performance, making it suitable for high-energy applications like UAVs. Additionally, the maximum continuous discharge rate of 30 A allows for robust performance during demanding flight conditions, ensuring reliability and efficiency.

Application Challenges

In the EVTOL sector, maximising flight time is critical. The TerraE 20P cell is designed to optimise cell selection, duty cycle, and flight speed, addressing the challenge of extending drone flight time. Current and energy management are essential for ensuring that UAVs can operate effectively in various environments. The ability to maintain high discharge rates without overheating is vital, especially in high-demand scenarios. By leveraging advanced battery thermal management, the TerraE 20P can help prevent overheating and ensure safe operation, which is crucial for mission success.

Why this Cell

The TerraE 20P cell is ideal for EVTOL applications due to its impressive specifications. With a maximum continuous discharge of 30 A, it is in the top-quartile compared to the median of 30 A in the database, ensuring it can handle demanding flight profiles. The cell's volumetric energy density of 395 Wh/l is around the median, providing a good balance between weight and energy capacity. This is particularly important for UAVs that require lightweight battery packs to maximise flight time. Furthermore, the gravimetric energy density of 160 Wh/kg supports the design of lightweight drone battery packs, making it a suitable choice for long endurance missions.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the selection of the TerraE 20P cell for EVTOL 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 usable energy and helps identify the best cell for specific mission profiles. For instance, simulations can reveal how the cell behaves at different discharge rates and temperatures, ensuring that the selected battery can meet the demands of the mission without risking failure. This predictive capability is essential for enhancing UAV reliability and operational efficiency.

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