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Molicel P50S Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.

Discover the Molicel P50S battery for mission feasibility assessments in aerospace, optimising drone performance and reliability for critical applications.

Value Propositions

  • Cylindrical 21700 form factor for optimal space utilisation.

  • Nominal capacity of 18.0 Wh and 5.0 Ah for extended mission profiles.

  • Top-quartile gravimetric power density of 5,070 W/kg for high discharge rates.

  • Volumetric energy density of 703 Wh/l, +35% vs database median of 541 Wh/l.

  • Maximum continuous discharge of 100 A, top-quartile vs median 30 A.

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About the Cell

The Molicel P50S is a cylindrical 21700 lithium-ion cell designed for high-performance applications, particularly in aerospace. With a nominal capacity of 18.0 Wh and 5.0 Ah, it provides substantial energy storage for demanding missions. The cell boasts a volumetric energy density of 703 Wh/l, which is +35% compared to the database median of 541 Wh/l, making it suitable for long endurance drone batteries. Its gravimetric energy density of 253.521 Wh/kg also positions it well within the market, ensuring lightweight drone battery packs can be achieved without sacrificing performance. The cell's maximum continuous discharge rate of 100 A places it in the top-quartile compared to the median of 30 A, allowing for high discharge rates essential for UAV battery optimisation. Additionally, the volumetric power density of 14,068 W/l is among the highest in the database, enabling efficient energy delivery during critical operations.

Application Challenges

In the aerospace sector, mission feasibility assessment is crucial for determining the viability of drone operations. The Molicel P50S cell addresses challenges such as ensuring reliable performance under varying conditions, including temperature fluctuations and charge levels. Accurate assessment of energy requirements is vital for extending drone flight time and improving UAV mission endurance. The ability to predict battery performance under different scenarios allows operators to make informed go/no-go decisions, minimising the risk of mid-air failures. The high energy density and discharge capabilities of the P50S cell ensure that drones can operate effectively in extreme environments, meeting the demands of both commercial and defence applications.

Why this Cell

The Molicel P50S cell is specifically designed to meet the rigorous demands of aerospace applications. Its high volumetric energy density of 703 Wh/l allows for longer mission durations, crucial for applications such as fixed-wing UAV battery solutions and heavy lift drone batteries. The maximum continuous discharge of 100 A ensures that the cell can handle high power demands without overheating, addressing pain points like preventing drone battery overheating. Furthermore, with a gravimetric power density of 5,070 W/kg, the P50S is positioned in the top-quartile compared to the median of 750 W/kg, making it an ideal choice for UAV battery pack design. This combination of features not only enhances drone endurance but also supports efficient battery thermal management for drones, ensuring safe operation across various mission profiles.

How Model-Based Design Helps

Simulation and model-based design play a critical role in optimising the performance of the Molicel P50S cell for aerospace applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under different operational scenarios. This includes assessing voltage sag, heat generation, and usable energy throughout the flight envelope. For instance, simulating low state-of-charge (SoC) conditions enables operators to determine if the drone can maintain the required thrust during missions. This predictive capability allows for confident selection of the P50S cell, ensuring that it meets the specific needs of various missions, from long endurance drone batteries to VTOL drone battery pack design. Ultimately, simulation reduces the reliance on trial-and-error testing, streamlining the design process and enhancing overall mission reliability.

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