Molicel M65A Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation. Core Technical Keywords
Explore the Molicel M65A cell for mission feasibility assessments in aerospace, optimising drone battery design for enhanced performance and reliability.
Value Propositions
Cylindrical 21700 form factor for compact integration.
Nominal capacity of 23.4 Wh and 6.5 Ah for extended use.
Volumetric energy density of 914 Wh/l, top-quartile vs median 542 Wh/l.
Gravimetric power density of 1256 W/kg, +68% vs database median of 750 W/kg.
Maximum continuous discharge of 26 A, top-quartile vs median 30 A.

About the Cell
The Molicel M65A is a cylindrical 21700 lithium-ion cell designed for high-performance applications. With a nominal capacity of 23.4 Wh (6.5 Ah), it offers significant energy storage capabilities. The cell boasts a volumetric energy density of 914 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l. Additionally, it features a gravimetric energy density of 314 Wh/kg, which is around the median for similar cells. The power density is impressive, with a volumetric power density of 3655 W/l, which is among the highest in the database. The maximum continuous discharge rate of 26 A allows for robust performance in demanding applications, making it an excellent choice for UAV battery pack design.
Application Challenges
In the aerospace sector, mission feasibility assessment is critical for determining the viability of drone operations. The Molicel M65A cell's specifications directly impact its performance in various mission profiles. For instance, the high energy density is essential for long endurance drone batteries, enabling extended flight times without increasing weight. The ability to discharge at 26 A ensures that the cell can meet the power demands of UAVs during critical phases of flight. Furthermore, the lightweight design of the M65A allows for the creation of custom UAV battery packs that do not compromise on performance, addressing the challenge of improving UAV mission endurance while preventing overheating.
Why this Cell
The Molicel M65A cell is particularly suited for mission feasibility assessments due to its high energy and power densities. With a volumetric energy density of 914 Wh/l, it is in the top-quartile compared to the median of 542 Wh/l, making it ideal for applications requiring long endurance. The maximum continuous discharge rate of 26 A ensures that it can handle the demands of high discharge rate UAV batteries, which is crucial for maintaining performance during intensive operations. This cell's specifications allow for effective battery thermal management for drones, ensuring reliability and safety during missions.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in optimising the selection of the Molicel M65A cell for various mission profiles. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under different conditions, such as varying temperatures and states of charge (SoC). This predictive capability enables accurate go/no-go decision-making, ensuring that drones are mission-ready. For example, simulations can identify the optimal discharge rates and energy usage across different flight scenarios, allowing for precise planning and execution of drone missions. This approach not only enhances operational efficiency but also reduces the risk of mid-air failures, which is critical in aerospace applications.


