Molicel P42A Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Molicel P42A cell for drones, optimising flight time and performance with high energy density and lightweight design.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 15.12 Wh, ideal for drone applications.
Top-quartile volumetric power density of 6434 W/l for high performance.
Gravimetric energy density of 216 Wh/kg, enhancing flight duration.
Maximum continuous discharge of 45 A, supporting demanding applications.
About the Cell
The Molicel P42A is a cylindrical 21700 cell with a nominal capacity of 15.12 Wh (4.2 Ah), designed for high-performance applications such as drones. It boasts a volumetric energy density of 600 Wh/l, placing it among the highest in the database, and a gravimetric energy density of 216 Wh/kg, which is around the median. With a maximum continuous discharge rate of 45 A and a maximum continuous charge rate of 8.4 A, this cell is engineered for demanding applications. Its power densities are impressive, with a volumetric power density of 6434 W/l, which is top-quartile compared to the database median of 2029 W/l, ensuring that drones can operate efficiently under high loads.
Application Challenges
In the context of drones, maximising flight time is critical. The Molicel P42A cell addresses the challenge of optimising cell selection, duty cycle, and flight speed. Drones require batteries that can deliver consistent power while maintaining safety and thermal performance. The high energy density of the P42A cell allows for extended flight durations, which is essential for applications such as industrial inspections and emergency response. Additionally, the lightweight design of the P42A cell contributes to overall drone efficiency, enabling longer missions without the need for heavier battery packs. The ability to prevent overheating and ensure reliable performance under various conditions is paramount for successful UAV operations.
Why this Cell
The Molicel P42A cell is an excellent choice for drones aiming to maximise flight time. With a maximum continuous discharge rate of 45 A, it supports high energy demands, making it suitable for applications that require rapid power delivery. The cell's volumetric energy density of 600 Wh/l is among the highest in the database, allowing for more energy storage in a compact form factor. This is crucial for drone applications where weight is a significant factor. Furthermore, the gravimetric energy density of 216 Wh/kg is around the median, ensuring that the cell provides a good balance of weight and performance. The P42A's design facilitates optimal thermal management, which is vital for preventing overheating during extended missions.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the selection of the Molicel P42A cell for drone applications. By modelling load profiles, engineers can predict how the cell will perform under various conditions, including different flight speeds and duty cycles. This allows for accurate predictions of voltage sag and usable energy, ensuring that the selected cell meets the specific needs of the mission. Thermal modelling is particularly important, as it helps to identify potential overheating issues before they occur. By simulating these factors, designers can confidently select the P42A cell, knowing it will deliver the required performance while maximising flight time and maintaining safety standards.
