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Tenpower 40TG Safety and risk management - particularly around overheating and thermal runaway during flight.

Explore the Tenpower 40TG cell for UAV applications, focusing on safety and risk management against overheating and thermal runaway during flight.

Value Propositions

  • Cylindrical 21700 form factor for compact design.

  • Nominal capacity of 14.4 Wh and 4.0 Ah for reliable energy supply.

  • Top-quartile volumetric energy density of 575 Wh/l for efficient space use.

  • Maximum continuous discharge of 35 A, ensuring high performance under load.

  • Gravimetric power density of 1,881 W/kg, ideal for demanding UAV applications.

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About the Cell

The Tenpower 40TG cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 14.4 Wh and 4.0 Ah, it provides a reliable energy source for various drone operations. Its volumetric energy density of 575 Wh/l positions it in the top-quartile compared to the database median of 542 Wh/l, making it an excellent choice for compact designs. The cell's maximum continuous discharge rate of 35 A allows it to handle high power demands, while its gravimetric power density of 1,881 W/kg is significantly above the median of 750 W/kg, ensuring it meets the rigorous requirements of UAV applications. This combination of features makes the 40TG a strong contender for those seeking high-performance drone battery solutions.

Application Challenges

In the context of EVTOL and safety and risk management, particularly around overheating and thermal runaway during flight, the Tenpower 40TG cell addresses critical challenges. The ability to manage high discharge rates is essential to prevent overheating, which can lead to thermal runaway—a significant risk in UAV operations. The 35 A maximum continuous discharge capability ensures that the cell can deliver the necessary power without compromising safety. Additionally, the high energy density allows for longer flight times, which is crucial for mission success in demanding environments. The combination of these factors makes the 40TG cell particularly suited for applications where reliability and safety are paramount.

Why this Cell

The Tenpower 40TG cell stands out in the EVTOL market due to its impressive specifications. With a maximum continuous discharge rate of 35 A, it is positioned in the top-quartile compared to the median of 30 A in the database, ensuring that it can handle the high power demands of UAVs without overheating. Its volumetric energy density of 575 Wh/l is also noteworthy, being above the median, which allows for more compact battery designs without sacrificing performance. This cell is designed specifically for safety and risk management, making it an ideal choice for applications where overheating and thermal runaway are concerns. The combination of high energy density and robust discharge capabilities makes the 40TG a reliable option for UAV battery pack design.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 40TG cell for UAV applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge scenarios that could lead to overheating. This predictive capability allows for the selection of the most suitable cells based on their thermal characteristics and energy output. For instance, simulating the thermal rise during operation helps identify potential risks of thermal runaway, enabling designers to implement effective thermal management strategies. Additionally, modelling voltage sag and usable energy ensures that the cell can deliver the required performance throughout the flight envelope, enhancing mission reliability and safety.

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