Samsung 25R Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation. Core Technical Keywords
Explore the Samsung 25R cell for UAV applications, optimising mission feasibility assessments with high energy density and reliable performance.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
Nominal capacity of 9.0 Wh and 2.5 Ah for efficient energy storage.
Top-quartile volumetric energy density of 526 Wh/l, +1% vs median.
Maximum continuous discharge of 20.0 A, top-quartile vs median.
Gravimetric power density of 1600 W/kg, +113% vs median.
About the Cell
The Samsung 25R cell is a cylindrical 18650 battery with a nominal capacity of 9.0 Wh and 2.5 Ah, making it suitable for various UAV applications. With a volumetric energy density of 526 Wh/l, it ranks in the top-quartile compared to the database median of 541.67 Wh/l, providing efficient energy storage for long missions. The cell also boasts a gravimetric energy density of 200 Wh/kg, which is around the median, ensuring a lightweight solution for drone applications. Additionally, it features a maximum continuous discharge rate of 20.0 A, which is among the highest in the database, allowing for high power demands during flight. The cell's design is optimised for thermal management, making it reliable for extended use in challenging environments.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the Samsung 25R cell addresses critical challenges in drone battery design. The ability to assess what missions or use cases are possible or not using a go/no-go decision is paramount. The high energy density of the 25R cell allows for extended flight times, which is essential for missions requiring long endurance. Furthermore, the lightweight design of the cell contributes to improved UAV mission endurance, enabling drones to carry heavier payloads without compromising performance. The challenge of preventing battery overheating is mitigated by the cell's robust thermal management capabilities, ensuring safe operation even under high discharge rates. Accurate state of charge (SOC) prediction is vital for mission planning, and the 25R cell's performance data supports reliable predictions, enhancing operational efficiency.
Why this Cell
The Samsung 25R cell is an excellent choice for UAV applications due to its impressive specifications. With a maximum continuous discharge rate of 20.0 A, it is positioned in the top-quartile compared to the database median of 30 A, making it suitable for high-demand scenarios. The cell's volumetric power density of 4208 W/l is also among the highest, ensuring that it can deliver power efficiently during critical phases of flight. This performance is crucial for mission feasibility assessments, as it allows operators to confidently plan missions knowing that the battery can handle the required loads. The combination of high energy density and robust discharge capabilities makes the 25R cell a reliable option for custom UAV battery packs, optimising both performance and safety.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the use of the Samsung 25R cell for UAV applications. By modelling load profiles, engineers can accurately predict the thermal rise and voltage sag during operation, which is essential for ensuring that the cell performs reliably under various conditions. This approach allows for the selection of the most suitable cells for specific missions, taking into account factors such as energy consumption and thermal behaviour. By simulating different flight scenarios, operators can make informed go/no-go decisions, reducing the risk of mid-air failures and enhancing mission success rates. The ability to model usable energy based on real-world conditions ensures that the 25R cell meets the demands of EVTOL applications effectively.
