LG Chem H51 EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the LG Chem H51 cell, designed for EVTOL applications, optimising flight time and performance in demanding environments.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.2 Wh and 5.0 Ah for reliable energy delivery.
Volumetric energy density of 725 Wh/l, top-quartile vs median of 541 Wh/l.
Gravimetric power density of 1290 W/kg, +72% vs database median of 750 W/kg.
Maximum continuous discharge of 25 A, top-quartile vs median of 30 A.
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 suitable for high-performance applications like EVTOL. With a volumetric energy density of 725 Wh/l, it ranks in the top-quartile compared to the median of 541 Wh/l in the database. Additionally, its gravimetric energy density of 258 Wh/kg is significantly above the median of 210 Wh/kg, ensuring lightweight yet powerful energy storage. The cell also boasts a volumetric power density of 3626 W/l, which is among the highest in the database, enabling efficient energy delivery during demanding flight operations. The maximum continuous discharge rate of 25 A positions it well for high-drain applications, ensuring that it can handle the rigorous demands of UAV operations. Overall, the LG Chem H51 cell is engineered for optimal performance in the EVTOL sector, providing a reliable and efficient power source for various drone applications.
Application Challenges
In the EVTOL sector, maximising flight time is crucial for operational efficiency and mission success. The challenge lies in optimising the cell selection, duty cycle, and flight speed to achieve this goal. Current energy delivery and thermal management are critical factors that directly impact flight duration and safety. The LG Chem H51 cell addresses these challenges with its high energy density and robust discharge capabilities. By selecting the right battery cells, UAV manufacturers can enhance flight endurance, reduce weight, and improve overall mission performance. The need for lightweight drone battery packs is paramount, as every gram saved translates to longer flight times and increased payload capacity. Furthermore, effective battery thermal management is essential to prevent overheating and ensure safe operation in extreme environments. The LG Chem H51 cell's design mitigates these risks, making it a suitable choice for demanding UAV applications.
Why this Cell
The LG Chem H51 cell is an ideal choice for EVTOL applications due to its impressive specifications. With a nominal capacity of 18.2 Wh and a maximum continuous discharge of 25 A, it supports high energy demands while maintaining efficiency. Its volumetric energy density of 725 Wh/l places it in the top-quartile compared to the median of 541 Wh/l, allowing for compact battery designs that do not compromise on performance. Additionally, the gravimetric power density of 1290 W/kg is +72% above the database median of 750 W/kg, ensuring that the cell can deliver power quickly when needed. This combination of high energy and power densities makes the H51 cell particularly suitable for applications requiring rapid acceleration and sustained flight, such as in drone operations. By choosing the LG Chem H51, UAV manufacturers can optimise their designs for endurance and reliability, addressing the critical need for high-performance battery solutions in the market.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in optimising battery selection for EVTOL applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the LG Chem H51 cell will perform under various conditions. This approach allows for accurate assessments of usable energy and helps identify potential issues such as overheating or insufficient power delivery. For instance, simulating different duty cycles and flight speeds can reveal the optimal operating conditions for the cell, ensuring that it meets the demands of specific missions. Furthermore, by using cell-specific data, engineers can make informed decisions about battery thermal management, enhancing safety and performance. This predictive capability is essential for UAV operators, as it enables them to plan missions with confidence, knowing that their battery systems will perform reliably in the field. Overall, simulation and model-based design are invaluable tools for maximising the effectiveness of the LG Chem H51 cell in real-world applications.
