Lishen 2170LA Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Lishen 2170LA cell, designed for safety in UAV applications, optimising performance while managing thermal risks during flight.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable energy supply.
Top-quartile volumetric energy density of 566 Wh/l for compact designs.
Maximum continuous discharge of 45 A, ensuring high performance under load.
Gravimetric power density of 2418 W/kg, ideal for lightweight UAV applications.
About the Cell
The Lishen 2170LA cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 14.4 Wh and 4.0 Ah, it provides a reliable energy source for various drone operations. Its volumetric energy density of 566 Wh/l places it in the top-quartile compared to the median of 542 Wh/l in the database, making it suitable for compact battery designs. Additionally, the cell boasts a maximum continuous discharge of 45 A, which is significantly above the median of 30 A, ensuring robust performance during demanding flight scenarios. The gravimetric energy density of 214.925 Wh/kg is also competitive, providing a lightweight solution for drone applications. Overall, the Lishen 2170LA is engineered to meet the rigorous demands of UAV operations, particularly in safety-critical environments.
Application Challenges
In the context of EVTOL and safety management, the Lishen 2170LA cell addresses critical challenges associated with overheating and thermal runaway during flight. UAVs operate in diverse environments, often requiring long endurance capabilities. The ability to manage thermal performance is paramount, especially when considering the risks of battery failure during operations. The nominal capacity and discharge rates of the Lishen 2170LA ensure that drones can maintain performance without compromising safety. As UAVs become more prevalent in sectors like delivery and surveillance, the need for reliable battery solutions that can withstand extreme conditions is increasingly important. The Lishen 2170LA's design mitigates risks associated with overheating, making it a suitable choice for high-stakes missions.
Why this Cell
The Lishen 2170LA cell is specifically designed to meet the demands of UAV applications, particularly in safety and risk management. With a maximum continuous discharge of 45 A, it is positioned in the top-quartile compared to the median of 30 A, allowing for high performance during critical flight phases. Its volumetric energy density of 566 Wh/l is among the highest in the database, providing compact energy solutions for UAVs. This cell's lightweight design, with a gravimetric power density of 2418 W/kg, ensures that drones can achieve longer flight times without the burden of excessive weight. These features make the Lishen 2170LA an ideal choice for applications requiring reliable performance and safety in thermal management.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Lishen 2170LA cell for UAV applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and temperature fluctuations. This predictive capability allows for informed decision-making when selecting battery cells for specific missions. For instance, modelling the thermal rise during discharge can help identify potential overheating issues before they occur, ensuring that the selected cell can handle the demands of the mission without risk of thermal runaway. Furthermore, simulations can assist in determining the optimal configuration of battery packs, enhancing overall drone performance and reliability.
