Samsung 25S: Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Samsung 25S cell for drones, optimising flight time and performance with high energy density and lightweight design for UAV applications.
Value Propositions
Cylindrical 18650 form factor with nominal capacity of 9.125 Wh and 2.45 Ah.
Volumetric energy density of 526 Wh/l, placing it in the top-quartile vs median.
Gravimetric energy density of 194 Wh/kg, around median compared to other cells.
Maximum continuous discharge of 35 A, which is top-quartile vs median of 30 A.
Volumetric power density of 7266 W/l, among the highest in the database.
About the Cell
The Samsung 25S cell is designed in a cylindrical 18650 form factor, featuring 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 median of 541.67 Wh/l in the database, making it an excellent choice for applications requiring high energy density. The gravimetric energy density of 194 Wh/kg is around the median, providing a balanced performance for various UAV applications. The cell also boasts a maximum continuous discharge of 35 A, which is in the top-quartile compared to the median of 30 A, ensuring it can handle demanding power requirements. Additionally, the volumetric power density of 7266 W/l is among the highest in the database, making it suitable for high-performance drone applications.
Application Challenges
In the aerospace sector, maximising flight time is critical. The Samsung 25S cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. High energy density is essential for extending drone flight times, especially in demanding environments. The ability to deliver consistent power without overheating is crucial for maintaining operational efficiency. As drones are often deployed in extreme conditions, the selection of the right battery cell can significantly impact mission success. The Samsung 25S cell's specifications ensure it meets these rigorous demands, providing reliable performance for long endurance missions.
Why this Cell
The Samsung 25S cell is ideal for aerospace applications focused on maximising flight time. With a maximum continuous discharge of 35 A, it is in the top-quartile compared to the median of 30 A, allowing for high discharge rates essential for UAV operations. The volumetric energy density of 526 Wh/l is a significant advantage, as it ranks in the top-quartile compared to the median, ensuring that drones can carry more energy without increasing weight. This cell's design also supports efficient thermal management, which is vital for preventing overheating during extended missions. Overall, the Samsung 25S cell combines high energy density and robust discharge capabilities, making it a top choice for UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Samsung 25S cell for UAV applications. By modelling load profiles, engineers can predict how the cell will behave under various conditions, including thermal rise and voltage sag. This predictive capability allows for the selection of the most suitable cell for specific mission profiles, ensuring that the drone can achieve its required thrust and energy output throughout the flight. Additionally, simulation helps in understanding the usable energy available from the cell, which is critical for planning missions effectively. By leveraging these advanced modelling techniques, designers can make informed decisions that enhance drone performance and reliability.
