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LG Chem H51 Safety and risk management - particularly around overheating and thermal runaway during flight.

Explore the LG Chem H51 cell for UAV applications, designed for safety and risk management during flight, optimising performance and reliability.

Value Propositions

  • Cylindrical 21700 form factor for efficient design.

  • Nominal capacity of 18.2 Wh and 5.0 Ah for reliable energy supply.

  • Top-quartile volumetric energy density of 725 Wh/l, +34% vs median.

  • Gravimetric power density of 1290 W/kg, ensuring high performance.

  • Maximum continuous discharge of 25 A, ideal for demanding applications.

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About the Cell

The LG Chem H51 cell features a cylindrical 21700 form factor, optimised for drone applications. With a nominal capacity of 18.2 Wh and 5.0 Ah, it delivers reliable energy for various UAV missions. The cell boasts a volumetric energy density of 725 Wh/l, which is in the top-quartile compared to the database median of 541.67 Wh/l, providing significant advantages for long endurance drone batteries. Additionally, the gravimetric energy density of 258 Wh/kg ensures that the cell remains lightweight, a crucial factor for UAV battery pack design. The volumetric power density of 3626 W/l is also among the highest in the database, allowing for efficient energy delivery during critical operations. With a maximum continuous discharge of 25 A, the H51 cell is well-suited for high discharge rate UAV batteries, ensuring that it meets the rigorous demands of drone applications.

Application Challenges

In the aerospace sector, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The LG Chem H51 cell addresses these challenges by providing a robust energy solution that maintains performance under demanding conditions. With a maximum continuous discharge of 25 A, the cell is designed to handle high current draws without compromising safety. The lightweight design, combined with high energy density, allows for extended flight times, which is critical for UAV missions that require reliability and efficiency. Ensuring that the battery can operate safely in extreme environments is essential for mission success, making the selection of the right cell vital for UAV battery optimisation.

Why this Cell

The LG Chem H51 cell is an excellent choice for aerospace applications due to its impressive specifications. With a nominal capacity of 18.2 Wh and a maximum continuous discharge of 25 A, it provides the necessary power for demanding UAV operations. The cell's volumetric energy density of 725 Wh/l places it in the top-quartile compared to the database median, ensuring that it can deliver high energy in a compact form. This is particularly important for drone battery design, where space and weight are critical factors. Additionally, the gravimetric power density of 1290 W/kg supports high performance during flight, making it suitable for applications that require quick bursts of energy. The combination of these metrics makes the H51 cell a reliable choice for ensuring safety and performance in UAV missions.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the LG Chem H51 cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under various conditions. This allows for informed decisions when selecting the right cell for specific missions, ensuring that the battery can deliver the required thrust and energy without risking overheating or thermal runaway. For instance, simulating different flight scenarios helps identify the optimal discharge rates and energy usage, which is essential for extending drone flight time and improving mission endurance. By leveraging these simulations, designers can avoid costly trial-and-error testing, leading to more efficient and reliable UAV battery pack design.

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