Tenpower 50SG Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Tenpower 50SG cell for UAVs, designed for safety and efficiency in flight, addressing overheating and thermal runaway challenges.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 4,240 W/l, +109% vs median.
Gravimetric energy density of 257 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 30 A, supporting high-performance applications.
About the Cell
The Tenpower 50SG cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it delivers reliable energy for various flight profiles. The cell boasts a volumetric energy density of 707 Wh/l, placing it among the highest in the database, and a gravimetric energy density of 257 Wh/kg, which is around the median. Its volumetric power density of 4,240 W/l is in the top-quartile, providing exceptional performance for demanding applications. The maximum continuous discharge rate of 30 A ensures that the cell can handle high current draws, making it suitable for safety-critical operations in EVTOL environments.
Application Challenges
In the context of EVTOL applications, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The ability to manage thermal performance is crucial, as excessive heat can lead to battery failure and pose significant risks to flight safety. The Tenpower 50SG cell's high energy density and robust discharge capabilities help mitigate these risks, ensuring that UAVs can operate safely even under demanding conditions. The challenge lies in selecting the right battery cells that not only provide sufficient energy but also maintain thermal stability throughout the flight, especially in extreme environments.
Why this Cell
The Tenpower 50SG cell is an ideal choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge rate of 30 A, it supports high-performance requirements, essential for safety and risk management during flight. Its volumetric power density of 4,240 W/l is among the highest in the database, providing the necessary power for demanding UAV operations. Additionally, the cell's gravimetric energy density of 257 Wh/kg ensures that it remains lightweight, which is critical for extending flight times and improving UAV mission endurance. This combination of high energy and power density makes the 50SG a reliable option for drone battery design and UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 50SG 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 rates and extreme temperatures. This approach allows for accurate predictions of voltage sag, heat generation, and usable energy, enabling the selection of the most suitable cell for specific missions. For instance, simulations can help identify the optimal discharge rates that prevent overheating, ensuring that the UAV can complete its mission safely. This predictive capability is essential for enhancing battery thermal management and improving overall drone powertrain efficiency.
