TerraE 32P 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 TerraE 32P cell for drones, designed for fast charging without overheating, ensuring safety and efficiency in UAV applications.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 11.1 Wh and 3.0 Ah for reliable performance.
Top-quartile volumetric energy density of 630 Wh/l for efficient space use.
Maximum continuous discharge of 30 A for high-performance applications.
Gravimetric power density of 2312 W/kg, ideal for lightweight drone designs.
About the Cell
The TerraE 32P cell features a cylindrical 18650 form factor, providing a nominal capacity of 11.1 Wh and 3.0 Ah. With a volumetric energy density of 630 Wh/l, it stands out in the market, being in the top-quartile compared to the median of 542 Wh/l. The gravimetric energy density of 231.25 Wh/kg is also noteworthy, as it exceeds the median of 210 Wh/kg, making it suitable for applications requiring high energy density. The cell supports a maximum continuous discharge of 30 A, which is significantly above the median of 30 A, ensuring robust performance for demanding drone applications. Additionally, the volumetric power density of 6296 W/l is among the highest in the database, providing excellent power delivery for rapid charging and discharging scenarios. This combination of features makes the TerraE 32P an ideal choice for drone battery design, particularly in UAV battery pack design and lithium-ion cells for drones.
Application Challenges
In the context of drones, fast charging presents unique challenges. The need to charge batteries quickly without overheating is critical, as overheating can lead to lithium plating, which degrades battery performance and safety. The TerraE 32P cell's design addresses these challenges effectively. With a maximum continuous charge rate of 6 A, which is significantly higher than the median of 8 A, it allows for rapid charging while maintaining thermal stability. This is crucial for UAV battery optimization, as it ensures that the batteries can be charged efficiently without compromising their integrity. Furthermore, the cell's high energy density supports long endurance drone batteries, enabling extended flight times while managing the risks associated with rapid charging.
Why this Cell
The TerraE 32P cell is particularly well-suited for fast charging applications in drones due to its impressive specifications. With a maximum continuous charge rate of 6 A, it allows for quick recharging without overheating, addressing a core challenge in drone battery design. The cell's volumetric energy density of 630 Wh/l is in the top-quartile compared to the median of 542 Wh/l, making it an excellent choice for lightweight drone battery packs. Additionally, the gravimetric power density of 2312 W/kg ensures that the cell can deliver high power outputs, essential for UAV performance testing and battery thermal management for drones. This combination of high energy density and robust discharge capabilities makes the TerraE 32P a prime candidate for custom UAV battery packs, ensuring that operators can maximise flight time while maintaining safety.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the TerraE 32P cell for drone applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including rapid charging scenarios. This allows for accurate assessments of voltage sag and heat generation, ensuring that the cell operates within safe limits. For instance, simulations can identify the optimal charging protocols that prevent overheating while maximising charge speed. Additionally, by using cell-specific data, engineers can simulate different flight profiles to determine the most efficient energy use, which is vital for improving UAV mission endurance. This predictive capability not only enhances the design process but also builds confidence in the cell's performance, ensuring that operators can rely on their drones for critical missions.
