Molicel M65A Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Molicel M65A cell for drones, designed to maximise flight time and optimise performance in demanding applications. Ideal for UAVs.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 23.4 Wh and 6.5 Ah for extended use.
Volumetric energy density of 914 Wh/l, top-quartile vs median.
Gravimetric power density of 1256 W/kg, +68% vs median.
Maximum continuous discharge of 26 A, top-quartile vs median.
About the Cell
The Molicel M65A is a cylindrical 21700 lithium-ion cell, boasting a nominal capacity of 23.4 Wh (6.5 Ah). This cell is designed for high-performance applications, particularly in the aerospace sector. With a volumetric energy density of 914 Wh/l, it ranks among the highest in the database, significantly enhancing the potential for long endurance drone batteries. The gravimetric energy density of 314 Wh/kg also positions it favourably, allowing for lightweight drone battery packs that do not compromise on energy storage. The cell's volumetric power density of 3655 W/l is exceptional, enabling high energy draw for demanding applications. Furthermore, the maximum continuous discharge rate of 26 A ensures that the M65A can handle high discharge rates typical in UAV operations, making it an ideal choice for drone battery design.
Application Challenges
In the aerospace sector, maximising flight time is crucial. The Molicel M65A cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. The ability to extend drone flight time is vital for various applications, including industrial inspections and emergency response. Current energy demands require cells that can deliver reliable performance under varying conditions. The M65A's high energy density and robust discharge capabilities ensure that UAVs can operate efficiently, even in extreme environments. This cell's design mitigates risks associated with overheating and ensures safe battery packs for UAVs, which is essential for mission-critical operations.
Why this Cell
The Molicel M65A cell is specifically engineered to meet the rigorous demands of aerospace applications. With a volumetric energy density of 914 Wh/l, it is among the highest in the database, allowing for longer missions without increasing weight. The gravimetric power density of 1256 W/kg, which is +68% vs the median, supports high discharge rates necessary for UAV battery optimisation. This cell's maximum continuous discharge of 26 A ensures that it can handle the power requirements of heavy lift drone batteries, making it a reliable choice for demanding tasks. The M65A's design prioritises thermal management, preventing overheating and ensuring consistent performance throughout the flight duration.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Molicel M65A cell in UAV applications. By modelling load profiles, engineers can predict thermal behaviour and voltage sag under various conditions, ensuring that the cell performs reliably throughout its duty cycle. This approach allows for accurate predictions of usable energy, which is essential for mission planning. For instance, simulating different flight speeds can help identify the optimal cruise velocity that balances energy consumption and flight efficiency. This data-driven methodology not only enhances the selection process for drone battery packs but also reduces the risk of mid-air failures, ensuring that operators can confidently deploy their UAVs in critical missions.
