LG Chem H51 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the LG Chem H51 cell designed for drone applications, optimising flight time and performance while addressing key challenges in UAV battery design.
Value Propositions
Cylindrical 21700 form factor for efficient space utilisation.
Nominal capacity of 18.2 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric energy density of 725 Wh/l for extended flight duration.
Maximum continuous discharge of 25 A, ideal for high-demand applications.
Gravimetric power density of 1291 W/kg, supporting rapid energy delivery.
About the Cell
The LG Chem H51 cell features a cylindrical 21700 form factor, providing a nominal capacity of 18.2 Wh and 5.0 Ah. With a volumetric energy density of 725 Wh/l, it is among the highest in the database, significantly enhancing flight time for drones. The gravimetric energy density stands at 258 Wh/kg, which is also above the median, ensuring lightweight solutions for UAV applications. The cell's volumetric power density is 3627 W/l, placing it in the top-quartile compared to the median of 2029 W/l, making it suitable for high energy demands. Additionally, the maximum continuous discharge rate of 25 A allows for robust performance under load, while the standard charge current of 5 A ensures efficient energy replenishment.
Application Challenges
In the aerospace sector, maximising flight time is critical. The LG Chem H51 cell addresses this challenge by optimising cell selection, duty cycles, and flight speeds. Drones require reliable energy sources to perform various tasks, from inspections to deliveries. The ability to extend flight time directly impacts mission success, especially in demanding environments. High energy density is essential to prevent overheating and ensure safe operation. The H51's specifications allow for effective thermal management, crucial in maintaining performance during extended missions. By selecting the right cell, operators can enhance UAV endurance and reliability, ensuring that drones can complete their missions without mid-air failures.
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 among the highest in the database, allowing for longer flight times without increasing weight. The maximum continuous discharge rate of 25 A supports high-demand applications, making it suitable for various UAV designs. Additionally, the cell's gravimetric power density of 1291 W/kg ensures that drones can deliver rapid energy when needed, which is crucial for maintaining performance during critical phases of flight. This combination of high energy and power density makes the H51 ideal for optimising flight time and enhancing overall UAV efficiency.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising the performance of the LG Chem H51 cell in UAV applications. By modelling load profiles, engineers can predict thermal behaviour and voltage response under various conditions. This allows for accurate assessments of usable energy and helps in selecting the best cell for specific missions. For instance, simulating different flight speeds can identify optimal cruising velocities that balance energy consumption and aerodynamic efficiency. Furthermore, thermal modelling can prevent overheating, ensuring that the cell operates within safe limits during high-demand scenarios. This data-driven approach reduces the risk of mid-air failures and enhances mission reliability.
