Kokam SLPB98188216P 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 Kokam SLPB98188216P cell, designed for fast charging in EVTOL applications, ensuring safety and efficiency without overheating.
Value Propositions
Pouch form factor for lightweight applications.
Nominal capacity of 111.0 Wh and 30.0 Ah.
Top-quartile volumetric power density of 5,148 W/l.
Gravimetric power density of 2,552 W/kg, ideal for UAVs.
High energy density of 257 Wh/l for extended flight times.
About the Cell
The Kokam SLPB98188216P cell is a pouch-type lithium-ion battery with a nominal capacity of 111.0 Wh and 30.0 Ah. It boasts a volumetric energy density of 257 Wh/l and a gravimetric energy density of 128 Wh/kg. The cell's volumetric power density is 5,148 W/l, placing it in the top-quartile compared to the database median of 2,029 W/l, which is crucial for applications requiring high discharge rates. Additionally, its gravimetric power density of 2,552 W/kg is also among the highest, ensuring that it can deliver the necessary power for demanding UAV operations. This cell is designed to meet the rigorous demands of EVTOL applications, where weight and efficiency are paramount.
Application Challenges
In EVTOL applications, fast charging of batteries is critical to ensure operational efficiency. The challenge lies in charging the Kokam SLPB98188216P cell quickly without overheating or causing lithium plating, which can degrade the battery's performance and safety. The maximum continuous discharge rate of 600 A allows for rapid energy delivery, but it is essential to manage thermal conditions effectively to prevent overheating. This cell's design addresses the need for high energy density while maintaining safety, making it suitable for various UAV applications where quick turnaround times are necessary.
Why this Cell
The Kokam SLPB98188216P cell is ideal for fast charging in EVTOL applications due to its high energy density of 257 Wh/l and maximum continuous discharge of 600 A. This performance is top-quartile compared to the database median of 30 A, allowing for efficient energy delivery during critical flight operations. The cell's lightweight design, combined with its high power density of 5,148 W/l, ensures that UAVs can achieve longer flight times without compromising on safety or performance. This makes it a preferred choice for drone battery design and UAV battery optimization.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Kokam SLPB98188216P cell for EVTOL applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including rapid charging scenarios. This approach allows for accurate assessments of voltage sag, heat generation, and usable energy, ensuring that the selected battery meets the specific demands of the mission. Through simulation, potential issues such as overheating can be identified and mitigated, leading to safer and more efficient UAV operations.
