Molicel P45B Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Molicel P45B cell for drones, optimising flight time and performance with high energy density and efficient design.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 16.2 Wh, ideal for extended missions.
Top-quartile volumetric power density of 6330 W/l.
Maximum continuous discharge of 45 A for demanding applications.
Gravimetric energy density of 231 Wh/kg for lightweight solutions.
About the Cell
The Molicel P45B is a cylindrical 21700 lithium-ion cell with a nominal capacity of 16.2 Wh (4.5 Ah). It boasts a volumetric energy density of 633 Wh/l and a gravimetric energy density of 231 Wh/kg, making it suitable for high-performance applications like drones. With a maximum continuous discharge rate of 45 A and a volumetric power density of 6330 W/l, this cell is designed to meet the rigorous demands of UAV operations. Compared to the database median, it is in the top-quartile for both volumetric power density (+64% vs median of 2029 W/l) and maximum continuous discharge (+50% vs median of 30 A).
Application Challenges
In the realm of drones, maximising flight time is crucial. The Molicel P45B cell addresses this challenge by providing high energy density and efficient power management. For UAVs, optimising cell selection, duty cycle, and flight speed is essential to extend operational range and ensure reliability. The ability to sustain high discharge rates without overheating is vital, especially in demanding environments. This cell's specifications allow for effective thermal management and energy utilisation, which are critical for long endurance missions.
Why this Cell
The Molicel P45B is an excellent choice for drone applications focused on maximising flight time. Its nominal capacity of 16.2 Wh and maximum continuous discharge rate of 45 A ensure that it can handle the power demands of various UAV missions. With a gravimetric energy density of 231 Wh/kg, it provides a lightweight solution that does not compromise on performance. This cell's top-quartile volumetric power density of 6330 W/l allows for efficient energy delivery, making it ideal for high-energy applications. The combination of these metrics positions the P45B as a leading option for drone battery design and UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Molicel P45B in drone applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, such as different flight speeds and duty cycles. This approach allows for accurate predictions of usable energy and thermal rise, ensuring that the selected cell meets the specific requirements of the mission. For instance, simulations can identify the optimal charge and discharge rates, helping to prevent overheating and maximise efficiency. This data-driven methodology supports informed decision-making in UAV battery pack design, ultimately enhancing mission success rates.
