Tenpower 40XG Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Tenpower 40XG cell for UAV applications, addressing safety and thermal management challenges with high energy density and performance.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable performance.
Volumetric energy density of 575 Wh/l, top-quartile vs median.
Gravimetric power density of 4,765 W/kg, among the highest in database.
Maximum continuous discharge of 90 A, top-quartile vs median.
About the Cell
The Tenpower 40XG 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 reliable energy output for various missions. The cell boasts a volumetric energy density of 575 Wh/l, which is in the top-quartile compared to the database median of 542 Wh/l. Additionally, it has a gravimetric energy density of 212 Wh/kg, which is around the median of 210 Wh/kg. The power densities are impressive, with a volumetric power density of 12,934 W/l, which is among the highest in the database, and a gravimetric power density of 4,765 W/kg, also among the highest. The maximum continuous discharge rate is 90 A, placing it in the top-quartile compared to the median of 30 A, making it suitable for high-demand applications.
Application Challenges
In the context of EVTOL and safety and risk management, particularly around overheating and thermal runaway during flight, the performance of battery cells is critical. UAVs face unique challenges, including the need for long endurance and reliable operation under varying conditions. The risk of thermal runaway is heightened in high-energy applications, making it essential to select cells that can manage heat effectively while delivering the required power. The Tenpower 40XG cell's high energy density and robust discharge capabilities help mitigate these risks, ensuring safe operation during critical missions.
Why this Cell
The Tenpower 40XG cell is an ideal choice for UAV applications due to its impressive specifications. With a maximum continuous discharge rate of 90 A, it is in the top-quartile compared to the median of 30 A, ensuring it can handle demanding power requirements. Its volumetric energy density of 575 Wh/l is also noteworthy, being in the top-quartile compared to the median of 542 Wh/l. This high energy density translates to longer flight times, addressing the pain point of extending drone flight time. Furthermore, the cell's design prioritises thermal management, making it suitable for safety-critical applications where overheating is a concern.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the selection of battery cells for UAV applications. By simulating load profiles and thermal behaviour, engineers can predict how the Tenpower 40XG cell will perform under various conditions. This includes modelling heat generation and voltage response during discharge cycles, which is essential for understanding the cell's thermal characteristics. The ability to simulate different scenarios allows for confident selection of the best-performing cell, reducing the risk of thermal runaway and ensuring reliable operation. This approach not only enhances safety but also improves overall mission efficiency by enabling accurate predictions of battery performance under real-world conditions.
