EVE Energy 40PL EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the EVE Energy 40PL cell for EVTOL applications, designed to maximise flight time and optimise performance in demanding environments.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 10,108 W/l for high performance.
Gravimetric energy density of 215 Wh/kg, ideal for lightweight applications.
Maximum continuous discharge of 70 A, suitable for demanding UAV tasks.
About the Cell
The EVE Energy 40PL cell features a cylindrical 21700 form factor, providing a nominal capacity of 14.4 Wh and 4.0 Ah. With a volumetric energy density of approximately 578 Wh/l, it stands out in the market, being around the median for similar cells. The gravimetric energy density of 215 Wh/kg is also competitive, ensuring lightweight solutions for UAV applications. The cell's volumetric power density is particularly impressive at 10,108 W/l, placing it in the top quartile compared to the median of 2,029 W/l. Additionally, the maximum continuous discharge rate of 70 A is significantly above the median of 30 A, making it suitable for high-demand applications. This combination of features makes the EVE Energy 40PL an excellent choice for UAV battery pack design, particularly in scenarios where weight and energy efficiency are critical.
Application Challenges
In EVTOL applications, maximising flight time is essential. The EVE Energy 40PL cell's specifications directly address the challenges of optimising cell selection, duty cycle, and flight speed. With a maximum continuous discharge of 70 A, the cell can support high power demands during critical phases of flight. The high energy density ensures that the UAV can carry out longer missions without the need for frequent recharges. Furthermore, the lightweight design of the 40PL cell helps in reducing the overall weight of the drone, which is crucial for enhancing flight efficiency and extending operational range. In harsh environments, where temperature fluctuations can affect battery performance, the EVE Energy 40PL is designed to maintain reliability, thus improving UAV mission endurance and preventing overheating issues.
Why this Cell
The EVE Energy 40PL cell is specifically designed to meet the demands of EVTOL applications. With a maximum continuous discharge rate of 70 A, it is well-suited for high energy draw situations, ensuring that UAVs can operate efficiently even under heavy loads. The cell's volumetric energy density of 578 Wh/l is among the highest in the database, providing a significant advantage for long endurance drone batteries. Additionally, the gravimetric energy density of 215 Wh/kg allows for lightweight drone battery packs, which is essential for optimising flight time. The combination of these metrics not only supports the need for high performance but also aligns with the challenges of UAV battery optimisation, making the EVE Energy 40PL an ideal choice for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in the selection of the EVE Energy 40PL cell for EVTOL applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and temperature fluctuations. This predictive capability allows for informed decisions regarding cell selection, ensuring that the chosen battery can deliver the required thrust and energy throughout the flight envelope. Furthermore, simulation helps in identifying optimal duty cycles and flight speeds, which are essential for maximising flight time. By accurately simulating voltage sag and usable energy, designers can avoid costly trial-and-error testing, leading to more efficient UAV battery pack design and improved overall performance in demanding environments.
