Samsung 40T3 Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Samsung 40T3 cell for drones, designed for safety and risk management, ensuring optimal performance and preventing overheating 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 power density of 7241 W/l for high performance.
Gravimetric energy density of 206 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 50 A, ideal for demanding applications.

About the Cell
The Samsung 40T3 cell features a cylindrical 21700 form factor, providing a nominal capacity of 14.4 Wh and 4.0 Ah. With a volumetric energy density of 579 Wh/l, it stands out in the market, being top-quartile compared to the median of 542 Wh/l. Additionally, its gravimetric energy density of 206 Wh/kg is around the median, ensuring a lightweight solution for drone applications. The cell also boasts a maximum continuous discharge of 50 A, which is significantly higher than the median of 30 A, making it suitable for high-demand scenarios. Its volumetric power density of 7241 W/l is among the highest in the database, providing excellent performance for rapid energy delivery during flight.
Application Challenges
In the realm of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Samsung 40T3 cell addresses these challenges effectively. With its high maximum continuous discharge of 50 A, the cell can support demanding applications without compromising safety. The ability to manage thermal performance is critical, especially in high-energy scenarios where overheating can lead to catastrophic failures. The cell's design ensures that it can deliver reliable power while maintaining optimal thermal conditions, thus enhancing overall mission success and safety.
Why this Cell
The Samsung 40T3 cell is specifically designed for drone applications, offering a combination of high energy density and robust thermal management capabilities. Its volumetric power density of 7241 W/l is among the highest in the database, allowing for efficient energy delivery during critical flight phases. This performance is crucial for applications requiring rapid power bursts, such as takeoff and heavy lifting. Furthermore, the cell's maximum continuous discharge of 50 A ensures that it can handle demanding loads without overheating, making it an ideal choice for safety-conscious UAV designs. The gravimetric energy density of 206 Wh/kg also supports lightweight drone battery packs, enhancing flight efficiency and endurance.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising the performance of the Samsung 40T3 cell for drone applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and temperature fluctuations. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that drones can operate safely and effectively. For instance, modelling can reveal the thermal rise during high-current draws, enabling designers to implement effective battery thermal management strategies. Additionally, simulation helps in understanding voltage sag and usable energy, which are critical for accurate drone battery state-of-charge (SoC) predictions. This comprehensive approach to design not only improves safety but also enhances mission reliability and efficiency.


