Enpower Greentech XNP0120J 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 Enpower Greentech XNP0120J cell, designed for fast charging in EVTOL applications, ensuring safety and efficiency without overheating.
Value Propositions
Pouch form factor with a nominal capacity of 43.2 Wh and 12.0 Ah.
Volumetric energy density of 655 Wh/l, placing it in the top-quartile vs median.
Gravimetric energy density of 279 Wh/kg, around median compared to industry standards.
Maximum continuous discharge of 60 A, top-quartile vs median of 30 A.
Standard charge current of 6 A, ensuring efficient energy transfer during charging.
About the Cell
The Enpower Greentech XNP0120J cell is a pouch-type lithium-ion battery with a nominal capacity of 43.2 Wh and 12.0 Ah. It boasts a volumetric energy density of 655 Wh/l, which is in the top-quartile compared to the database median of 542 Wh/l. The gravimetric energy density is 279 Wh/kg, which is around the median of 210 Wh/kg. The cell's volumetric power density is 3,273 W/l, which is +61% vs the median of 2,029 W/l, making it suitable for high power applications. Additionally, it has a maximum continuous discharge of 60 A, which is also in the top-quartile compared to the median of 30 A. This combination of high energy and power densities makes the XNP0120J ideal for fast charging applications in EVTOL systems.
Application Challenges
In EVTOL applications, fast charging of batteries is critical to ensure operational efficiency and safety. The challenge lies in charging the battery quickly without overheating the cells or causing lithium plating, which can degrade battery performance or lead to catastrophic failures. The XNP0120J cell's maximum continuous charge rate of 24 A (2.0 C) allows for rapid charging, while its robust thermal management capabilities help prevent overheating. This is essential for maintaining the integrity of the battery during high-demand scenarios, such as drone operations in extreme environments or during rapid deployment situations.
Why this Cell
The Enpower Greentech XNP0120J cell is specifically designed to meet the demands of fast charging in EVTOL applications. With a maximum continuous discharge of 60 A, it is in the top-quartile compared to the median of 30 A, ensuring that it can handle high power requirements without overheating. Its volumetric energy density of 655 Wh/l is also a significant advantage, providing more energy in a compact form factor. This cell is ideal for applications requiring lightweight drone battery packs that do not compromise on performance, making it a preferred choice for UAV battery optimization.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery performance for EVTOL applications. By modelling load profiles, thermal rise, voltage sag, and usable energy, engineers can accurately predict how the Enpower Greentech XNP0120J cell will perform under various conditions. This allows for the selection of the most suitable cells for specific missions, ensuring that the battery can deliver the required thrust and energy without risking overheating or failure. The ability to simulate different charging scenarios helps in fine-tuning the charging process, maximising efficiency while maintaining safety.
