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Molicel P60B Drones Safety and risk management - particularly around overheating and thermal runaway during flight.

Explore the Molicel P60B battery for drones, designed for safety and risk management, ensuring optimal performance and reliability during flight.

Value Propositions

  • Cylindrical 21700 form factor for compact design.

  • Nominal capacity of 21.6 Wh and 6.0 Ah for extended flight times.

  • Top-quartile volumetric power density of 14,337 W/l for high performance.

  • Gravimetric energy density of 288 Wh/kg, ideal for lightweight applications.

  • Maximum continuous discharge of 100 A, ensuring robust power delivery.

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About the Cell

The Molicel P60B is a cylindrical 21700 lithium-ion cell with a nominal capacity of 21.6 Wh and 6.0 Ah. It boasts a volumetric energy density of 860 Wh/l, which is significantly higher than the database median of 542 Wh/l, making it suitable for high energy density drone applications. The gravimetric energy density of 288 Wh/kg also positions it well above the median of 210 Wh/kg, ensuring lightweight battery packs for drones. Additionally, the cell features a maximum continuous discharge rate of 100 A, which is in the top-quartile compared to the database median of 30 A, allowing for high discharge rates essential for demanding drone operations. With a volumetric power density of 14,337 W/l, this cell is among the highest in the database, providing the necessary power for rapid acceleration and sustained flight performance.

Application Challenges

In the context of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. Drones often operate in challenging environments where battery performance can be compromised by temperature fluctuations. The Molicel P60B's high energy density and robust discharge capabilities are critical in ensuring that drones can maintain performance without overheating. The ability to deliver consistent power under varying loads is essential for mission success, especially in applications such as industrial inspections or emergency response, where reliability is non-negotiable. The high volumetric energy density allows for longer flight times, which is crucial for extending drone missions without the need for frequent recharges.

Why this Cell

The Molicel P60B is an excellent choice for drone applications due to its impressive specifications. With a maximum continuous discharge rate of 100 A, it supports high power demands, making it suitable for applications requiring rapid bursts of energy. The cell's volumetric energy density of 860 Wh/l is significantly above the median, allowing for compact battery designs that do not compromise on performance. This is particularly important in drone battery design, where weight and space are critical factors. Furthermore, the gravimetric energy density of 288 Wh/kg ensures that the battery remains lightweight, enhancing the overall efficiency of UAVs. The combination of these metrics positions the P60B as a leading option for UAV battery pack design, ensuring that drones can operate safely and efficiently even under demanding conditions.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising battery performance for drones. By simulating load profiles and thermal behaviour, engineers can predict how the Molicel P60B will perform under various conditions, including high discharge rates and extreme temperatures. This predictive capability allows for informed decisions when selecting cells for UAVs, ensuring that the chosen battery can handle the expected operational stresses without overheating. Additionally, modelling voltage sag and usable energy helps in accurately predicting the state of charge (SoC), which is vital for mission planning and execution. By leveraging these simulations, designers can avoid costly trial-and-error testing, ensuring that the P60B is the right fit for specific drone applications, ultimately enhancing mission reliability and safety.

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