COSMX 82D6J7 Drones Fast charge of the batteries - how to charge the battery quickly without overheating the cells or causing lithium plating which could degrade the battery or cause it to catch fire.
Discover the COSMX 82D6J7 cell for drones, designed for fast charging without overheating, ensuring safety and efficiency in UAV applications.
Value Propositions
Nominal capacity of 74.0 Wh and 20.0 Ah for reliable energy supply.
Volumetric energy density of 351 Wh/l, supporting compact designs.
Gravimetric energy density of 157 Wh/kg, ideal for lightweight UAV applications.
Maximum continuous discharge of 400 A, top-quartile vs median 30 A.
Volumetric power density of 7026 W/l, +58% vs database median of 2029 W/l.
About the Cell
The COSMX 82D6J7 cell features a pouch form factor, with a nominal capacity of 74.0 Wh and 20.0 Ah, making it suitable for high-performance drone applications. Its volumetric energy density of 351 Wh/l positions it well above the median of 541.67 Wh/l, ensuring efficient use of space in UAV battery packs. Additionally, the gravimetric energy density of 157 Wh/kg is advantageous for maintaining a lightweight design, crucial for drone endurance. The cell also boasts a maximum continuous discharge of 400 A, categorising it as top-quartile compared to the median of 30 A, allowing for robust performance during demanding operations. Furthermore, the volumetric power density of 7026 W/l is among the highest in the database, enhancing the cell's capability to deliver power swiftly when needed.
Application Challenges
In the context of drones, the challenge of fast charging batteries is critical. Rapid charging must be managed carefully to prevent overheating and avoid lithium plating, which can degrade battery performance and pose safety risks. The COSMX 82D6J7 cell addresses these challenges with its high maximum continuous charge rate of 100 A, enabling efficient energy transfer during charging. This capability is essential for applications requiring quick turnaround times, such as emergency response or time-sensitive deliveries. The design must also consider thermal management to ensure that the cell operates within safe temperature limits while delivering high power outputs. The combination of high energy density and robust discharge capabilities makes the 82D6J7 an ideal candidate for UAVs that demand both performance and safety.
Why this Cell
The COSMX 82D6J7 cell is specifically engineered for drone applications, particularly where fast charging is essential. With a maximum continuous discharge of 400 A, it provides a significant advantage in high-demand scenarios, ensuring that drones can perform efficiently without the risk of overheating. The volumetric energy density of 351 Wh/l allows for compact battery designs, which is crucial for maintaining the agility and performance of UAVs. Compared to the median values in the database, this cell's performance metrics position it as a top choice for UAV battery pack design, particularly for applications that require rapid energy delivery and extended flight times. The lightweight design, with a gravimetric energy density of 157 Wh/kg, further enhances its suitability for long endurance missions, making it a reliable option for drone manufacturers.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in optimising the performance of the COSMX 82D6J7 cell for drone applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including rapid charging scenarios. This approach allows for the identification of potential overheating issues before they arise, ensuring that the battery operates safely within its thermal limits. Additionally, modelling voltage sag and usable energy helps in accurately assessing the cell's performance during flight, providing insights into how to maximise flight time and efficiency. By leveraging these simulations, designers can make informed decisions about cell selection and battery pack configurations, ultimately leading to enhanced UAV performance and reliability in the field.
