Tenpower 50SG Safety and risk management - particularly around overheating and thermal runaway during flight. Drone Battery Design Challenges
Explore the Tenpower 50SG cell for drone applications, addressing safety and thermal management challenges in aerospace with high energy density.
Value Propositions
Cylindrical 21700 form factor for optimal integration in UAV designs.
Nominal capacity of 18.0 Wh and 5.0 Ah, ensuring reliable energy supply.
Volumetric energy density of 707 Wh/l, top-quartile vs median of 542 Wh/l.
Gravimetric power density of 1,543 W/kg, +104% vs database median of 750 W/kg.
Maximum continuous discharge of 30.0 A, top-quartile vs median of 30 A.
About the Cell
The Tenpower 50SG cell is designed in a cylindrical 21700 form factor, providing a nominal capacity of 18.0 Wh and 5.0 Ah. With a volumetric energy density of 707 Wh/l, it ranks in the top quartile compared to the database median of 542 Wh/l. The gravimetric energy density is 257 Wh/kg, which is around the median, ensuring a balance between weight and energy storage. The cell also boasts a volumetric power density of 4,240 W/l, which is among the highest in the database, and a gravimetric power density of 1,543 W/kg, which is +104% vs the median of 750 W/kg. This combination of high energy and power densities makes it an excellent choice for demanding drone applications.
Application Challenges
In the aerospace sector, particularly for UAVs, safety and risk management are paramount, especially concerning overheating and thermal runaway during flight. The ability to manage thermal conditions effectively is crucial for ensuring the reliability and safety of drone operations. High energy density is essential for extending flight times, while effective thermal management is necessary to prevent battery failures. The Tenpower 50SG cell's specifications, including its high discharge rate and energy density, are designed to meet these challenges, allowing for longer missions without compromising safety.
Why this Cell
The Tenpower 50SG cell is particularly suited for aerospace applications due to its impressive specifications. With a maximum continuous discharge of 30.0 A, it is in the top quartile compared to the median of 30 A, ensuring that it can handle high power demands during critical flight phases. Its volumetric energy density of 707 Wh/l is also noteworthy, being in the top quartile compared to the median of 542 Wh/l, which allows for longer endurance in UAV missions. This cell is designed to optimise performance while maintaining safety, making it an ideal choice for drone battery design.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in selecting the right battery cell for UAV applications. By simulating various load profiles, thermal behaviours, and voltage responses, engineers can predict how the Tenpower 50SG cell will perform under different conditions. This approach allows for accurate modelling of heat generation and energy usage, ensuring that the selected cell can deliver the required performance without overheating. For instance, simulations can help determine the optimal discharge rates and thermal management strategies, which are essential for preventing thermal runaway and ensuring mission success. By using cell-specific data, engineers can make informed decisions that enhance the reliability and efficiency of drone operations.
