LG Chem H51 Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the LG Chem H51 cell for drones, designed for safety and risk management, ensuring optimal performance and preventing overheating during flight.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.2 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 3,627 W/l for high performance.
Gravimetric energy density of 258 Wh/kg, enhancing flight efficiency.
Maximum continuous discharge of 25 A, suitable for demanding applications.
About the Cell
The LG Chem H51 cell is a cylindrical 21700 battery with a nominal capacity of 18.2 Wh and 5.0 Ah, making it ideal for drone applications. With a volumetric energy density of 725 Wh/l, it ranks among the highest in the database, ensuring efficient space utilisation. The gravimetric energy density of 258 Wh/kg is also impressive, providing a lightweight solution for UAVs. The cell's volumetric power density of 3,627 W/l is top-quartile, allowing for brisk current draws necessary in dynamic flight conditions. Additionally, the maximum continuous discharge of 25 A supports high-performance applications, making it a reliable choice for drone manufacturers.
Application Challenges
In the context of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. Drones operate in various environments, often facing extreme temperatures and demanding power requirements. The LG Chem H51 cell's high energy density and robust discharge capabilities are crucial for maintaining performance while mitigating risks associated with battery failure. The ability to manage thermal conditions effectively is essential for ensuring the safety and reliability of UAV operations, especially in critical missions where every second counts.
Why this Cell
The LG Chem H51 cell stands out in the drone battery market due to its impressive specifications. With a maximum continuous discharge of 25 A, it is positioned in the top-quartile compared to the median of 30 A in the database. This capability is vital for applications requiring high discharge rates, such as heavy-lift drones. Furthermore, the cell's volumetric energy density of 725 Wh/l is significantly above the median of 542 Wh/l, providing a competitive edge in energy storage. This combination of high energy and power density ensures that drones can achieve longer flight times while maintaining safety standards, addressing the core challenges of overheating and thermal management.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the LG Chem H51 cell in drone applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge scenarios and extreme temperatures. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that drones can operate safely and efficiently. For instance, modelling heat generation and voltage response helps identify potential overheating issues before they occur, enabling proactive measures to be taken. This approach not only enhances safety but also improves overall mission reliability, making it an invaluable tool for drone manufacturers.
