BAK 45D Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the BAK 45D cell for mission feasibility assessments in aerospace, optimising drone battery performance and ensuring reliable operations.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 15.84 Wh, ideal for UAV applications.
Top-quartile volumetric power density of 8,447 W/l for high performance.
Gravimetric energy density of 230 Wh/kg, enhancing flight endurance.
Maximum continuous discharge of 60 A, supporting demanding missions.
About the Cell
The BAK 45D cell features a cylindrical 21700 form factor, providing a nominal capacity of 15.84 Wh and 4.4 Ah. Its volumetric energy density stands at 619 Wh/l, while the gravimetric energy density is 230 Wh/kg. The cell boasts an impressive volumetric power density of 8,447 W/l and a gravimetric power density of 3,130 W/kg, making it suitable for high-performance applications. With a standard charge current of 2.2 A and a maximum continuous charge of 13.2 A, it supports efficient energy management. The cell's design ensures it meets the rigorous demands of aerospace applications, particularly in mission feasibility assessments. Compared to the database median, the BAK 45D's volumetric power density is in the top-quartile, +66% vs the median of 2,029 W/l, showcasing its capability for high current draws.
Application Challenges
In aerospace, mission feasibility assessments are critical for determining the viability of drone operations. The BAK 45D cell's specifications directly impact its performance in various scenarios. For instance, the high energy density is essential for long endurance drone batteries, allowing for extended flight times without increasing weight. Additionally, the ability to handle high discharge rates is crucial for UAV battery optimisation, especially in demanding environments. Accurate predictions of battery state of charge (SOC) are vital to prevent mid-air failures, making the BAK 45D a reliable choice for mission-critical applications. The cell's performance in extreme conditions further enhances its suitability for aerospace applications, where reliability and efficiency are paramount.
Why this Cell
The BAK 45D cell is specifically designed for aerospace applications, particularly in mission feasibility assessments. Its nominal capacity of 15.84 Wh and high volumetric energy density of 619 Wh/l make it an excellent choice for long endurance drone batteries. The maximum continuous discharge rate of 60 A positions it in the top-quartile compared to the database median of 30 A, ensuring it can handle demanding operational requirements. Additionally, the gravimetric energy density of 230 Wh/kg supports lightweight drone battery packs, crucial for maintaining flight efficiency. The combination of these metrics allows for effective UAV battery pack design, ensuring that drones can perform optimally across various mission profiles.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in optimising the selection of the BAK 45D cell for aerospace applications. By modelling load profiles, engineers can predict the thermal behaviour and voltage response of the cell under different operational scenarios. This approach enables accurate assessments of usable energy and helps in identifying the best battery configurations for specific missions. For example, simulating the thermal rise during high discharge scenarios allows for the selection of cells that maintain performance without overheating. Furthermore, the ability to model energy consumption across various flight speeds aids in determining the optimal cruise velocity, ensuring efficient battery use. This level of analysis supports informed decision-making, reducing the risk of costly trial-and-error testing and enhancing overall mission success.
