EVE Energy 50PL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the EVE Energy 50PL cell designed to maximise flight time for UAVs, addressing challenges in battery selection and performance.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric power density of 11,580 W/l for high performance.
Gravimetric energy density of 250 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 80 A, suitable for demanding applications.
About the Cell
The EVE Energy 50PL cell features a cylindrical 21700 form factor, providing a nominal capacity of 18.0 Wh and 5.0 Ah. With a volumetric energy density of 724 Wh/l, it stands out in its class, offering a gravimetric energy density of 250 Wh/kg. The cell's volumetric power density is an impressive 11,580 W/l, placing it in the top-quartile compared to the median of 2,029 W/l in the database. Additionally, the maximum continuous discharge rate of 80 A and maximum continuous charge rate of 10 A ensure that it meets the rigorous demands of UAV applications. This combination of features makes the 50PL an ideal choice for drone battery design, particularly in scenarios where performance and efficiency are critical.
Application Challenges
In the context of EVTOL applications, maximising flight time is paramount. The EVE Energy 50PL cell's high energy density and discharge capabilities are crucial for optimising cell selection, duty cycle, and flight speed. In practical terms, this means that the right battery can significantly extend the operational range of drones, allowing for longer missions without the need for frequent recharging. The ability to maintain high performance under varying loads and conditions is essential for ensuring that UAVs can complete their tasks efficiently, especially in demanding environments. The challenge lies in balancing energy output with thermal management to prevent overheating and ensure safety during operation.
Why this Cell
The EVE Energy 50PL cell is specifically designed to meet the challenges of EVTOL applications. With a maximum continuous discharge rate of 80 A, it is well-suited for high-demand scenarios, providing a top-quartile performance compared to the database median of 30 A. Its volumetric energy density of 724 Wh/l is significantly above the median of 542 Wh/l, making it an excellent choice for long endurance drone batteries. The lightweight design, coupled with a gravimetric energy density of 250 Wh/kg, ensures that UAVs can achieve optimal flight times without compromising on payload capacity. This cell is a prime candidate for custom UAV battery packs, enabling engineers to design solutions that maximise efficiency and performance.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising battery selection for UAVs. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the EVE Energy 50PL cell will perform under various conditions. This approach allows for the identification of the most suitable cells for specific missions, ensuring that the selected battery can deliver the required thrust and energy throughout the flight envelope. Furthermore, simulation helps in understanding the thermal rise and usable energy, which are vital for preventing overheating and ensuring safe operation. By leveraging these insights, designers can make informed decisions that enhance drone powertrain efficiency and improve overall mission reliability.
