Lishen 2170LA Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Lishen 2170LA cell for drones, optimised for safety and performance in overheating and thermal runaway scenarios. Ideal for UAV applications.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable energy delivery.
Top-quartile volumetric energy density of 566 Wh/l for lightweight UAVs.
Maximum continuous discharge of 45 A, ensuring high performance under load.
Gravimetric power density of 2418 W/kg, ideal for demanding drone applications.
About the Cell
The Lishen 2170LA 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 566 Wh/l, it is among the highest in the database, significantly enhancing the efficiency of drone battery packs. The gravimetric energy density stands at 215 Wh/kg, which is around the median, ensuring a lightweight solution for UAV applications. Additionally, the cell boasts a volumetric power density of 6370 W/l, which is top-quartile compared to the median of 2029 W/l, making it suitable for high energy demands during flight. The maximum continuous discharge rate of 45 A, equating to a C-rate of 11.3, allows for robust performance in critical situations, ensuring that drones can operate effectively without overheating or risking thermal runaway.
Application Challenges
In the realm of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Lishen 2170LA cell addresses these challenges by providing a high energy density, which is crucial for extending flight times and improving UAV mission endurance. The ability to manage thermal performance effectively is vital, as drones often operate in extreme environments where temperature fluctuations can lead to battery failure. The high discharge rates required for demanding applications, such as heavy-lift or long-endurance missions, necessitate a battery that can maintain performance without compromising safety. The Lishen 2170LA’s specifications ensure that it meets these rigorous demands, making it an ideal choice for UAV battery pack design.
Why this Cell
The Lishen 2170LA cell is specifically designed for drone applications, with a nominal capacity of 14.4 Wh and a maximum continuous discharge of 45 A, which is top-quartile compared to the median of 30 A. This ensures that the cell can handle the high energy demands of UAVs while maintaining safety. The volumetric energy density of 566 Wh/l is among the highest in the database, allowing for lightweight drone battery packs that do not compromise on performance. The gravimetric power density of 2418 W/kg supports high discharge rates, making it suitable for applications that require rapid energy delivery. These features collectively enhance the cell's reliability in preventing overheating and ensuring safe operation during critical missions.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Lishen 2170LA cell for drone applications. By simulating load profiles and thermal behaviour, engineers can accurately predict how the cell will perform under various conditions, including high discharge rates and extreme temperatures. This modelling allows for the identification of potential thermal runaway scenarios and enables the design of effective battery thermal management systems. Furthermore, simulations can help in determining the optimal energy usage across different flight profiles, ensuring that drones can achieve maximum efficiency and reliability. By leveraging cell-specific data, designers can make informed decisions about battery pack configurations, ultimately leading to safer and more efficient UAV operations.
