EVE Energy 50PL Drones Weight v power trade off in pack design - how to pick the right balance.
Explore the EVE Energy 50PL cell for drones, optimising weight and power for enhanced performance in UAV applications. Discover key benefits and challenges.
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 supports lightweight designs.
Maximum continuous discharge of 80 A 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 (5.0 Ah). With a volumetric energy density of 724 Wh/l, it excels in compact applications. The gravimetric energy density stands at 250 Wh/kg, making it suitable for lightweight drone designs. Additionally, the cell boasts a volumetric power density of 11,580 W/l and a gravimetric power density of 4,000 W/kg, positioning it among the highest in the database. The maximum continuous discharge current of 80 A allows for robust performance in demanding scenarios, while the maximum continuous charge current of 10 A ensures quick turnaround times. These specifications make the 50PL an ideal choice for UAV applications, where weight and power are critical considerations.
Application Challenges
In the realm of drones, the challenge of balancing weight and power in battery pack design is paramount. The EVE Energy 50PL cell addresses this challenge effectively. With its high energy density, it allows for longer flight times without significantly increasing the weight of the drone. This is crucial for applications requiring extended endurance, such as surveillance, delivery, and industrial inspections. The ability to optimise the weight-to-power ratio directly impacts the drone's operational efficiency and mission success. Furthermore, the 50PL's high discharge capabilities ensure that it can meet the power demands of various UAV missions, from heavy-lift operations to high-speed flights.
Why this Cell
The EVE Energy 50PL cell is specifically designed to meet the rigorous demands of drone applications. Its nominal capacity of 18.0 Wh and 5.0 Ah provides a reliable energy source, while its volumetric energy density of 724 Wh/l is significantly above the database median of 541.67 Wh/l, making it a top-quartile choice for UAV battery pack design. The cell's maximum continuous discharge of 80 A positions it among the highest in the database, ensuring that it can handle the power requirements of demanding missions. This capability is essential for applications where high discharge rates are necessary, such as in heavy-lift drones or during rapid acceleration. By selecting the EVE Energy 50PL, designers can achieve an optimal balance between weight and power, enhancing overall drone performance.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery selection for drone applications. By simulating 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 best cell for specific mission profiles, ensuring that the selected battery can deliver the required thrust and energy throughout the flight. For instance, modelling can reveal how the cell's thermal characteristics respond to high discharge rates, helping to prevent overheating and ensuring safe operation. Additionally, simulations can assist in predicting the state of charge (SoC) and its impact on flight time, enabling operators to make informed decisions about mission feasibility. Overall, model-based design enhances the reliability and efficiency of UAV battery pack design, ultimately leading to improved mission outcomes.
