Samsung 25R Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Samsung 25R cell for drone applications, focusing on safety and risk management against overheating and thermal runaway during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh and 2.5 Ah for reliable energy supply.
Top-quartile volumetric energy density of 526 Wh/l for extended flight times.
Maximum continuous discharge of 20.0 A, ensuring high performance under load.
Gravimetric power density of 1600 W/kg, ideal for high energy demands.
About the Cell
The Samsung 25R cell features a cylindrical 18650 form factor, making it a compact choice for drone applications. With a nominal capacity of 9.0 Wh and 2.5 Ah, it provides a reliable energy supply for various UAV missions. The cell boasts a volumetric energy density of 526 Wh/l, placing it in the top-quartile compared to the database median of 541.67 Wh/l. This high energy density is crucial for long endurance drone batteries, allowing for extended flight times without increasing weight. Additionally, the maximum continuous discharge rate of 20.0 A ensures that the cell can handle high power demands, making it suitable for applications requiring rapid energy release. The gravimetric power density of 1600 W/kg further enhances its appeal, as it supports high energy demands while maintaining a lightweight profile. Overall, the Samsung 25R cell is designed to meet the rigorous requirements of drone applications, particularly in safety and risk management scenarios where overheating and thermal runaway are critical concerns.
Application Challenges
In the context of drones, safety and risk management are paramount, especially regarding overheating and thermal runaway during flight. Drones operate in various environments, often requiring long endurance capabilities. The Samsung 25R cell's nominal capacity of 9.0 Wh is essential for extending drone flight time, which is a primary concern for operators. High energy density is crucial in preventing overheating, as it allows for efficient energy use during extended missions. The challenge lies in ensuring that the battery can deliver the required power without compromising safety. The maximum continuous discharge rate of 20.0 A is particularly relevant, as it enables the drone to perform demanding tasks without risking battery failure. Therefore, selecting the right cell is vital for achieving optimal UAV performance while managing thermal risks effectively.
Why this Cell
The Samsung 25R cell is an excellent choice for drone applications, particularly in safety and risk management. Its high volumetric energy density of 526 Wh/l allows for longer flight times, which is critical for missions that require extended operational periods. Additionally, the maximum continuous discharge rate of 20.0 A ensures that the cell can meet the high energy demands of various UAV tasks, making it suitable for applications such as heavy lift and VTOL drone designs. Compared to the database median of 30 A, the Samsung 25R's performance is commendable, providing a robust solution for high discharge rate UAV batteries. Furthermore, its gravimetric power density of 1600 W/kg supports efficient powertrain efficiency, ensuring that drones can operate effectively without excessive weight. This combination of features makes the Samsung 25R a reliable choice for drone battery design, particularly in scenarios where safety and performance are critical.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Samsung 25R cell for drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the cell will perform under various conditions. For instance, simulating the thermal rise during high discharge scenarios helps identify potential overheating risks, allowing for proactive design adjustments. This approach enables the selection of the most suitable cell for specific missions, ensuring that the drone can deliver the required thrust and energy throughout its flight envelope. Additionally, accurate modelling of usable energy helps in predicting the state of charge (SoC), which is vital for mission planning and execution. By leveraging simulation, operators can make informed decisions about battery selection and management, ultimately enhancing the reliability and safety of drone operations.
