Samsung 25S Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Samsung 25S cell for drones, designed for safety and risk management, ensuring optimal performance and preventing overheating during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.125 Wh and 2.45 Ah for reliable energy supply.
Top-quartile volumetric energy density of 526 Wh/l for efficient space utilisation.
Maximum continuous discharge of 35 A, ensuring high performance under load.
Gravimetric power density of 2,681 W/kg, ideal for high energy demands.
About the Cell
The Samsung 25S cell features a cylindrical 18650 form factor, providing a nominal capacity of 9.125 Wh and 2.45 Ah. With a volumetric energy density of 526 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l. The cell's gravimetric energy density is 194.149 Wh/kg, which is around the median of 210 Wh/kg. Its volumetric power density of 7,266 W/l is among the highest in the database, significantly enhancing performance for drone applications. The maximum continuous discharge rate of 35 A positions it well for demanding operational scenarios, ensuring that drones can perform optimally without overheating or risking thermal runaway. This cell is designed specifically for safety and risk management in drone applications, making it a reliable choice for UAV battery pack design and optimisation. The lightweight design at 47 g contributes to overall drone efficiency, allowing for longer flight times and improved payload capabilities. The Samsung 25S cell is an excellent choice for those seeking high energy density and performance in their drone battery solutions.
Application Challenges
In the realm of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Samsung 25S cell addresses these challenges effectively. With its high maximum continuous discharge rate of 35 A, it can handle the power demands of various drone applications, ensuring that the battery does not overheat under load. This is crucial for maintaining operational safety, especially in high-stress environments. The nominal capacity of 9.125 Wh allows for extended flight times, which is essential for missions requiring long endurance. Additionally, the cell's design mitigates risks associated with thermal runaway, a significant concern in UAV operations. By optimising battery thermal management, the Samsung 25S cell ensures that drones can operate safely and efficiently, even in extreme environments. This capability is vital for applications such as heavy lift missions, where payload and energy efficiency are critical. The combination of high energy density and robust thermal performance makes the Samsung 25S an ideal choice for drone manufacturers focused on safety and reliability.
Why this Cell
The Samsung 25S cell stands out in the drone battery market due to its impressive specifications and performance metrics. With a volumetric energy density of 526 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l, making it an excellent choice for long endurance drone batteries. The maximum continuous discharge rate of 35 A ensures that the cell can deliver high power when needed, which is essential for applications requiring rapid acceleration or heavy lifting. This capability is complemented by a gravimetric power density of 2,681 W/kg, which is significantly above the median of 750 W/kg, allowing for lightweight drone battery packs that do not compromise on performance. The cell's design also prioritises safety, addressing the critical challenge of preventing overheating and thermal runaway during flight. By choosing the Samsung 25S, UAV manufacturers can optimise their battery pack design, ensuring that their drones can operate safely and efficiently while meeting the demands of various missions. This cell is particularly suited for applications in extreme environments, where reliability and performance are non-negotiable.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Samsung 25S cell for drone 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 predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that drones can deliver the required thrust and energy without risking failure. For instance, simulations can reveal how the cell's internal temperature rises during operation, enabling designers to implement effective thermal management strategies. By accurately modelling voltage sag and usable energy, engineers can ensure that the Samsung 25S cell meets the energy demands of long endurance missions. This approach not only enhances the reliability of drone operations but also reduces the need for costly trial-and-error testing. Ultimately, simulation and model-based design enable manufacturers to make informed decisions about battery cell selection, leading to safer and more efficient UAV designs.
