Tenpower 20SG Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Tenpower 20SG cell for UAV applications, focusing on safety and risk management against overheating and thermal runaway during flight.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
Nominal capacity of 7.4 Wh and 2.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 6257 W/l for high performance.
Gravimetric energy density of 172 Wh/kg, ensuring lightweight designs.
Maximum continuous discharge of 30 A, suitable for demanding UAV tasks.
About the Cell
The Tenpower 20SG cell features a cylindrical 18650 form factor, making it ideal for various UAV applications. With a nominal capacity of 7.4 Wh and 2.0 Ah, it provides a reliable energy supply for extended flight times. The cell boasts a volumetric energy density of 417 Wh/l, which is around the median compared to similar cells in the market. Its gravimetric energy density of 172 Wh/kg is also competitive, allowing for lightweight drone battery packs. The cell's volumetric power density of 6257 W/l places it in the top-quartile of performance, enabling high energy output for demanding applications. Additionally, the maximum continuous discharge rate of 30 A ensures that it can handle high power demands without overheating, making it a suitable choice for safety-critical applications in UAVs.
Application Challenges
In the context of EVTOL and safety and risk management, the Tenpower 20SG cell addresses critical challenges associated with overheating and thermal runaway during flight. UAVs operate in environments where temperature fluctuations can significantly impact battery performance and safety. The high energy density of the 20SG cell is essential for long endurance missions, as it allows drones to carry heavier payloads while maintaining flight stability. Furthermore, the risk of thermal runaway is a significant concern in UAV operations, especially during high discharge scenarios. The 20SG's robust design and high discharge capabilities help mitigate these risks, ensuring safe operation even under demanding conditions. The ability to predict battery behaviour under various thermal conditions is crucial for mission planning and execution, making the 20SG an ideal choice for UAV applications focused on safety.
Why this Cell
The Tenpower 20SG cell is specifically designed to meet the rigorous demands of UAV applications, particularly in safety and risk management. With a maximum continuous discharge rate of 30 A, it is positioned in the top-quartile compared to the median of 30 A in the database, ensuring that it can deliver the necessary power for high-performance UAVs. Its volumetric energy density of 417 Wh/l is competitive, allowing for lightweight drone battery packs that do not compromise on energy supply. The cell's gravimetric energy density of 172 Wh/kg also supports the design of efficient UAVs, enabling longer flight times without adding excessive weight. This combination of high energy and power density makes the 20SG an excellent choice for applications that require both performance and safety, particularly in scenarios where overheating and thermal management are critical.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 20SG cell for UAV applications. By simulating load profiles and thermal behaviour, engineers can accurately predict how the cell will perform under various conditions, including high discharge rates and fluctuating temperatures. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that the UAV can operate safely and efficiently. For instance, modelling the thermal rise during high power draws helps identify potential overheating issues before they occur, enabling proactive design adjustments. Additionally, simulations can assist in understanding voltage sag and usable energy across different flight profiles, which is essential for mission planning. By leveraging these advanced modelling techniques, UAV manufacturers can enhance battery thermal management, improve overall powertrain efficiency, and ultimately extend the operational capabilities of their drones.
