EVE Energy 30P: Weight v power trade off in pack design - how to pick the right balance.
Discover the EVE Energy 30P cell for UAV applications, optimising weight and power for enhanced drone performance and endurance.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
Nominal capacity of 10.44 Wh and 2.9 Ah for reliable energy supply.
Top-quartile volumetric energy density of 598 Wh/l for compact designs.
Maximum continuous discharge of 30 A for high-performance demands.
Gravimetric power density of 2250 W/kg, ideal for dynamic UAV operations.
About the Cell
The EVE Energy 30P cell features a cylindrical 18650 form factor, providing a nominal capacity of 10.44 Wh and 2.9 Ah. With a volumetric energy density of 598 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l, making it suitable for compact UAV designs. The gravimetric energy density of 218 Wh/kg is also competitive, being around the median of 210 Wh/kg. The cell's maximum continuous discharge rate of 30 A positions it among the highest in the database, allowing for robust performance in demanding applications. Additionally, the volumetric power density of 6186 W/l is significantly above the median of 2029 W/l, ensuring that the cell can deliver high power outputs efficiently.
Application Challenges
In the context of EVTOL and the weight versus power trade-off in pack design, selecting the right battery cell is crucial. UAVs require batteries that not only provide sufficient energy for extended flight times but also maintain a lightweight profile to enhance overall performance. The challenge lies in balancing these two factors to ensure that the UAV can operate effectively without compromising on safety or efficiency. High energy density is essential for long endurance missions, while lightweight designs are critical for manoeuvrability and payload capacity. The EVE Energy 30P cell addresses these challenges with its impressive specifications, making it an ideal choice for UAV applications.
Why this Cell
The EVE Energy 30P cell is particularly well-suited for UAV applications due to its high energy density and power capabilities. With a volumetric energy density of 598 Wh/l, it allows for compact battery designs that do not sacrifice performance. The maximum continuous discharge rate of 30 A ensures that the cell can handle high power demands, making it ideal for dynamic flight scenarios. Compared to the database median, this cell's performance metrics place it in the top quartile, providing confidence in its ability to meet the rigorous demands of UAV operations. Furthermore, its gravimetric power density of 2250 W/kg supports efficient energy use, crucial for extending flight times.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising battery selection for UAV applications. By simulating load profiles, thermal behaviour, and voltage responses, engineers can accurately predict how the EVE Energy 30P cell will perform under various conditions. This approach allows for the assessment of energy consumption across different flight profiles, ensuring that the selected cell meets the required performance criteria. Additionally, modelling thermal rise and usable energy helps in identifying potential issues such as overheating, enabling the design of safe and efficient battery packs. By leveraging these simulations, manufacturers can confidently choose the best cells for their UAV designs, ultimately enhancing mission success rates.
