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Molicel P50B Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.

Explore the Molicel P50B for mission feasibility assessments in EVTOL applications, optimising drone battery performance and reliability.

Value Propositions

  • Cylindrical 21700 form factor with nominal capacity of 18.0 Wh and 5.0 Ah.

  • Volumetric energy density of 703 Wh/l, placing it in the top-quartile vs median.

  • Gravimetric energy density of 257 Wh/kg, significantly above the median.

  • Maximum continuous discharge of 60 A, which is among the highest in the database.

  • Volumetric power density of 8440 W/l, +62% vs database median of 2029 W/l.

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About the Cell

The Molicel P50B is a cylindrical 21700 lithium-ion cell designed for high-performance applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it offers a robust solution for UAV battery pack design. Its volumetric energy density of 703 Wh/l is in the top-quartile compared to the database median of 541.67 Wh/l, making it an excellent choice for long endurance drone batteries. The gravimetric energy density of 257 Wh/kg is also significantly above the median of 210 Wh/kg, ensuring lightweight drone battery packs. The cell's maximum continuous discharge of 60 A positions it among the highest in the database, providing the necessary power for demanding applications. Additionally, its volumetric power density of 8440 W/l is +62% vs the database median of 2029 W/l, supporting high energy demands during flight.

Application Challenges

In EVTOL applications, mission feasibility assessment is critical for determining what missions or use cases are possible. The Molicel P50B's high energy density and power capabilities directly impact the ability to extend drone flight time and improve UAV mission endurance. Accurate predictions of battery performance under various conditions are essential, especially in extreme environments. The lightweight design of the P50B helps to prevent overheating and ensures safe battery packs for UAVs, addressing common pain points in drone battery design. Simulation allows for precise go/no-go decision-making, ensuring that operators can confidently launch missions without risking mid-air failures.

Why this Cell

The Molicel P50B is ideal for mission feasibility assessments due to its impressive specifications. With a maximum continuous discharge of 60 A, it is among the highest in the database, allowing for robust performance during critical missions. Its volumetric energy density of 703 Wh/l places it in the top-quartile, ensuring that UAVs can achieve longer flight times without increasing weight. This is crucial for applications requiring high energy density drone batteries. The cell's design supports effective battery thermal management, which is essential for preventing overheating and ensuring reliable operation in demanding conditions.

How Model-Based Design Helps

Simulation and model-based design play a vital role in optimising the performance of the Molicel P50B for EVTOL applications. By modelling load profiles, thermal rise, and voltage sag, engineers can accurately predict the usable energy and performance of the cell under various conditions. This approach allows for the selection of the best battery cells for UAVs, ensuring that the chosen cell meets the specific demands of the mission. Additionally, simulation helps to identify potential issues such as overheating and provides insights into battery weight vs flight time, enabling better design choices for drone battery packs.

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