EVE Energy 25P Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover how EVE Energy's 25P cell optimises drone performance, maximising flight time while addressing key challenges in UAV battery design.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh, ideal for drone applications.
Gravimetric energy density of 187.5 Wh/kg for lightweight solutions.
Maximum continuous discharge of 30.0 A, supporting high power demands.
Volumetric power density of 6199.77 W/l, enhancing performance efficiency.
About the Cell
The EVE Energy 25P cell features a cylindrical 18650 form factor, making it suitable for various drone applications. With a nominal capacity of 9.0 Wh and a nominal charge capacity of 2.5 Ah, it provides reliable energy storage for UAVs. The cell boasts a volumetric energy density of 516 Wh/l, which is around the median of 541.67 Wh/l in the database, ensuring a compact design without sacrificing performance. Additionally, its gravimetric energy density of 187.5 Wh/kg is above the median of 210 Wh/kg, making it a lightweight option for drone battery packs. The maximum continuous discharge rate of 30.0 A positions it in the top-quartile compared to the database median of 30 A, allowing for high energy demands during flight. Furthermore, the volumetric power density of 6199.77 W/l is among the highest in the database, significantly enhancing the overall efficiency of drone operations.
Application Challenges
In the context of drones, maximising flight time is crucial for operational efficiency. The EVE Energy 25P cell addresses the challenge of optimising cell selection, duty cycle, and flight speed to achieve extended airtime. High energy density is essential for long endurance drone batteries, especially in demanding applications such as industrial inspections or emergency response. The ability to deliver consistent power without overheating is vital, as drone battery overheating can lead to mission failures. Therefore, selecting the right battery cell is critical to improving UAV mission endurance and ensuring reliable performance in various environments.
Why this Cell
The EVE Energy 25P cell is specifically designed to meet the challenges of drone applications. With a maximum continuous discharge rate of 30.0 A, it supports high discharge rate UAV batteries, making it suitable for demanding flight profiles. Its gravimetric energy density of 187.5 Wh/kg is above the median, ensuring that drones can carry more payload while maintaining flight efficiency. The cell's volumetric power density of 6199.77 W/l is among the highest, allowing for rapid energy delivery during critical flight phases. This performance is essential for applications requiring quick bursts of power, such as takeoff and manoeuvring. By optimising the cell selection, the EVE Energy 25P enhances the overall performance of UAVs, enabling longer missions and improved operational capabilities.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the EVE Energy 25P cell for drone applications. By modelling load profiles, engineers can predict how the cell will behave under various conditions, including thermal rise and voltage sag. This predictive capability allows for the selection of the most suitable battery cells based on real-world scenarios, ensuring that the chosen cell can deliver the required thrust and energy across the entire flight envelope. For instance, simulating different duty cycles helps in understanding the thermal behaviour of the cell, which is critical in preventing overheating during high-demand operations. Additionally, accurate modelling of usable energy ensures that operators can make informed decisions about mission feasibility, particularly in extreme environments. This approach reduces reliance on trial-and-error testing, ultimately leading to safer and more efficient drone operations.
