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Electric Power EP9543126VVP Weight v power trade off in pack design - how to pick the right balance.

Explore the Electric Power EP9543126VVP cell for UAV battery pack design, optimising weight and power for enhanced drone performance.

Value Propositions

  • Pouch form factor with nominal capacity of 26.52 Wh and 6.8 Ah.

  • Volumetric energy density of 492 Wh/l, around median for high-performance cells.

  • Gravimetric energy density of 243 Wh/kg, top-quartile vs median.

  • Maximum continuous discharge of 102 A, among the highest in the database.

  • Standard charge current of 6.8 A, ensuring efficient energy replenishment.

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About the Cell

The Electric Power EP9543126VVP cell is designed as a pouch cell, featuring a nominal capacity of 26.52 Wh and 6.8 Ah. It boasts a volumetric energy density of 492 Wh/l, which is around the median for high-performance cells, and a gravimetric energy density of 243 Wh/kg, placing it in the top-quartile compared to other cells in the database. The cell's volumetric power density is an impressive 7,376 W/l, which is among the highest in the database, making it suitable for demanding applications. Additionally, the maximum continuous discharge rate of 102 A allows for robust performance under high load conditions, ensuring that UAVs can operate efficiently even in challenging environments. With a standard charge current of 6.8 A, the EP9543126VVP cell supports rapid recharging, minimising downtime and enhancing operational efficiency.

Application Challenges

In the EVTOL sector, achieving the right balance between weight and power is crucial for optimal UAV performance. The challenge lies in selecting battery cells that not only provide sufficient energy for extended flight times but also maintain a lightweight profile to enhance manoeuvrability and efficiency. The weight v power trade-off in pack design is critical; too heavy a battery can reduce flight time and payload capacity, while insufficient power can lead to performance issues. Therefore, understanding the specific energy and power requirements for different UAV missions is essential. The Electric Power EP9543126VVP cell addresses these challenges with its high energy density and robust discharge capabilities, making it a suitable choice for various UAV applications.

Why this Cell

The Electric Power EP9543126VVP cell is particularly advantageous for UAV applications due to its impressive specifications. With a maximum continuous discharge of 102 A, it is among the highest in the database, allowing for high power output when needed. The cell's gravimetric energy density of 243 Wh/kg places it in the top-quartile, ensuring that UAVs can achieve longer flight times without the burden of excessive weight. Furthermore, its volumetric energy density of 492 Wh/l is around the median, providing a good balance of energy storage in a compact form. This combination of high energy and power density makes the EP9543126VVP an ideal candidate for UAV battery optimisation, particularly in applications requiring lightweight and efficient battery packs.

How Model-Based Design Helps

Simulation and model-based design play a pivotal role in selecting the right battery cells for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how different cells will perform under various conditions. For instance, simulating the thermal rise and energy output of the Electric Power EP9543126VVP cell allows for accurate predictions of its performance during demanding missions. This approach helps in identifying the optimal cell for specific applications, ensuring that the selected battery can deliver the required thrust and energy while maintaining safety and efficiency. Additionally, simulation aids in understanding the impact of different charge and discharge rates on battery life and performance, enabling better design decisions that enhance UAV operational capabilities.

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