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TerraE 25P4 Drones Safety and risk management - particularly around overheating and thermal runaway during flight.

Discover the TerraE 25P4 cell for drones, optimised for safety and performance in critical applications, ensuring reliable operation under thermal stress.

Value Propositions

  • Cylindrical 18650 form factor for versatile integration.

  • Nominal capacity of 9.0 Wh and 2.5 Ah for reliable energy supply.

  • Top-quartile volumetric power density of 5,977 W/l for high performance.

  • Gravimetric energy density of 191 Wh/kg, supporting lightweight designs.

  • Maximum continuous discharge of 30 A, ideal for demanding applications.

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About the Cell

The TerraE 25P4 cell features a cylindrical 18650 form factor, making it suitable for various drone applications. With a nominal capacity of 9.0 Wh and 2.5 Ah, it delivers reliable energy for extended flight times. The cell boasts a volumetric energy density of 498 Wh/l, which is around the median of the database, ensuring efficient use of space in battery packs. Its gravimetric energy density of 191 Wh/kg is also competitive, providing a lightweight solution for drone manufacturers. The cell's volumetric power density of 5,977 W/l places it in the top-quartile compared to the database median, allowing for brisk current draws during operation. Furthermore, the maximum continuous discharge rate of 30 A positions it well for high-demand applications, ensuring that drones can perform optimally under load. Overall, the TerraE 25P4 is designed to meet the rigorous demands of drone technology, particularly in safety-critical scenarios.

Application Challenges

In the realm of drones, safety and risk management are paramount, especially concerning overheating and thermal runaway during flight. Drones often operate in challenging environments where temperature fluctuations can impact battery performance. The TerraE 25P4 cell's design addresses these concerns by providing a robust energy supply while maintaining thermal stability. The nominal capacity of 9.0 Wh ensures that drones can sustain longer missions without the risk of battery failure. Additionally, the high maximum continuous discharge rate of 30 A allows for rapid energy delivery, which is crucial for maintaining control and performance during critical flight phases. As drone applications expand into areas such as industrial inspections and emergency response, the need for reliable battery performance under thermal stress becomes increasingly important. The TerraE 25P4 cell is engineered to mitigate these risks, ensuring that drones can operate safely and effectively in various conditions.

Why this Cell

The TerraE 25P4 cell is an excellent choice for drone applications focused on safety and risk management. With a maximum continuous discharge of 30 A, it is positioned in the top-quartile compared to the database median, allowing for high discharge rates essential for demanding flight scenarios. The cell's volumetric power density of 5,977 W/l is among the highest in the database, enabling drones to achieve superior performance without compromising on weight. Furthermore, the gravimetric energy density of 191 Wh/kg supports lightweight designs, which is critical for enhancing flight time and overall efficiency. By selecting the TerraE 25P4, manufacturers can ensure that their drones are equipped with a battery that not only meets but exceeds the performance requirements necessary for safe operation in challenging environments.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the TerraE 25P4 cell for drone applications. By simulating load profiles, engineers can accurately predict the thermal behaviour of the cell under various operating conditions. This includes modelling heat generation and voltage sag, which are critical factors in preventing thermal runaway. Additionally, simulations can help in understanding the usable energy across different flight envelopes, allowing for precise battery management strategies. For instance, by analysing the cell's performance in low-temperature scenarios, operators can make informed decisions about mission feasibility, ensuring that drones can reliably launch and complete tasks without risking mid-air failure. This predictive capability not only enhances safety but also improves operational efficiency, making the TerraE 25P4 an ideal choice for modern drone applications.

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