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TerraE 40P Safety and risk management - particularly around overheating and thermal runaway during flight.

Explore the TerraE 40P cell for EVTOL applications, designed for safety and risk management against overheating and thermal runaway during flight.

Value Propositions

  • Cylindrical 21700 form factor for optimal integration.|Nominal capacity of 14.4 Wh and 4.0 Ah for reliable performance.|Volumetric energy density of 566 Wh/l, top-quartile vs median.|Gravimetric energy density of 215 Wh/kg, around median.|Maximum continuous discharge of 45 A, top-quartile vs median.

  • Standard charge current of 2 A ensures efficient energy replenishment.|Maximum continuous charge of 6 A, suitable for rapid charging.|Volumetric power density of 6365 W/l, among the highest in database.|Gravimetric power density of 2418 W/kg, top-quartile vs median.|Standard charge rate of 0.5 C for balanced performance.

  • Lightweight at 67 g, enhancing UAV payload capacity.|Volume of 25.45 litres, optimised for space efficiency.|High energy density supports long endurance missions.|Designed for safety in extreme environments.|Ideal for custom UAV battery packs.

  • Optimised for drone battery design and UAV battery pack design.|Supports high energy density drone batteries for extended flight.|Facilitates battery thermal management for drones.|Enhances UAV battery performance testing capabilities.|Perfect for drone batteries for extreme environments.

  • Customisable for various UAV applications.|Reliable for heavy lift drone batteries.|Supports fixed-wing UAV battery solutions.|Ideal for swarming drone battery needs.|Enhances mission feasibility in challenging conditions.

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About the Cell

The TerraE 40P cell features a cylindrical 21700 form factor, providing a nominal capacity of 14.4 Wh and 4.0 Ah. This cell boasts a volumetric energy density of 566 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l. Its gravimetric energy density of 215 Wh/kg is around the median, ensuring a lightweight solution for UAV applications. With a maximum continuous discharge of 45 A, this cell is well-suited for high-demand scenarios, offering a top-quartile performance compared to the median of 30 A. The volumetric power density of 6365 W/l is among the highest in the database, ensuring robust performance during operation. The cell's standard charge current of 2 A and maximum continuous charge of 6 A allow for efficient energy replenishment, making it ideal for rapid charging needs.

Application Challenges

In the EVTOL sector, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The TerraE 40P cell addresses these challenges by providing a high energy density of 566 Wh/l, which is crucial for long endurance missions. The lightweight design at 67 g enhances payload capacity, allowing for more efficient flight operations. The maximum continuous discharge of 45 A ensures that the cell can handle the high current demands of UAVs without compromising safety. In extreme environments, the cell's thermal management capabilities are vital to prevent overheating, ensuring reliable performance throughout the mission.

Why this Cell

The TerraE 40P cell is specifically designed for EVTOL applications, where safety and performance are critical. With a volumetric energy density of 566 Wh/l, it ranks in the top-quartile compared to the median of 542 Wh/l, making it an excellent choice for long endurance drone batteries. The maximum continuous discharge of 45 A, which is top-quartile vs the median of 30 A, allows for high discharge rates necessary for demanding UAV operations. Additionally, the cell's lightweight design at 67 g contributes to improved UAV mission endurance, making it a reliable choice for custom UAV battery packs.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the TerraE 40P cell for EVTOL applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict the cell's performance under various conditions. This approach allows for the identification of the optimal charge and discharge rates, ensuring that the cell operates efficiently without overheating. Furthermore, simulation enables the assessment of usable energy across different flight scenarios, providing insights into the cell's reliability and safety during missions. This data-driven approach reduces the risk of thermal runaway and enhances overall mission success.

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