LG Chem H51 Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the LG Chem H51 cell for mission feasibility assessments in aerospace, optimising drone battery performance for various applications.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.2 Wh, ideal for UAV applications.
Volumetric energy density of 725 Wh/l, top-quartile vs median.
Gravimetric power density of 1290 W/kg, ensuring high performance.
Maximum continuous discharge of 25 A, supporting demanding missions.
About the Cell
The LG Chem H51 cell features a cylindrical 21700 form factor, providing a nominal capacity of 18.2 Wh and a nominal charge capacity of 5.0 Ah. With a volumetric energy density of 725 Wh/l, it ranks in the top-quartile compared to the database median of 541.67 Wh/l, making it suitable for applications requiring high energy density. The gravimetric energy density stands at 258 Wh/kg, which is significantly above the median of 210 Wh/kg, ensuring lightweight solutions for UAVs. Additionally, the cell boasts a volumetric power density of 3627 W/l, which is among the highest in the database, and a gravimetric power density of 1291 W/kg, providing excellent performance for high discharge applications. The standard charge current is 5.0 A, with a maximum continuous charge of 5.0 A, and a maximum continuous discharge of 25.0 A, making it versatile for various UAV designs.
Application Challenges
In the aerospace sector, mission feasibility assessment is crucial for determining the viability of drone operations. The LG Chem H51 cell's specifications directly impact the ability to assess what missions or use cases are possible or not using a go/no-go decision based on simulation. The nominal capacity of 18.2 Wh allows for extended flight times, which is essential for long endurance drone batteries. The high energy density of 725 Wh/l ensures that drones can carry heavier payloads without compromising performance. Furthermore, the maximum continuous discharge rate of 25 A is vital for applications requiring high thrust, such as heavy lift drone operations. Accurate predictions of battery performance under varying conditions are necessary to prevent overheating and ensure safe operations, especially in extreme environments.
Why this Cell
The LG Chem H51 cell is an excellent choice for aerospace applications due to its impressive specifications. With a volumetric energy density of 725 Wh/l, it is in the top-quartile compared to the median of 541.67 Wh/l, allowing for more compact designs without sacrificing performance. The maximum continuous discharge rate of 25 A ensures that the cell can handle demanding applications, making it suitable for UAV battery optimization. Additionally, the gravimetric power density of 1291 W/kg is significantly higher than the median of 750 W/kg, which is crucial for improving UAV mission endurance. This cell's combination of high energy density and power output makes it a reliable option for mission feasibility assessments.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the selection of the LG Chem H51 cell for various UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under different conditions. For instance, simulating the thermal rise during high discharge scenarios helps in selecting cells that can withstand demanding missions without overheating. Additionally, using cell-specific data allows for precise calculations of usable energy, enabling informed go/no-go decisions during mission planning. This approach not only enhances battery thermal management for drones but also improves overall drone powertrain efficiency, ensuring that the right cell is chosen for the intended application.
