Kokam SLPB98188216P Weight v power trade off in pack design - how to pick the right balance.
Explore the Kokam SLPB98188216P cell for UAV applications, addressing weight vs power trade-offs in battery design for optimal performance.
Value Propositions
Pouch form factor with a nominal capacity of 111.0 Wh and 30.0 Ah.
Volumetric energy density of 257 Wh/l, around median vs database.
Gravimetric energy density of 128 Wh/kg, below median vs database.
Maximum continuous discharge of 600 A, among the highest in database.
Volumetric power density of 5148 W/l, top-quartile vs median.
About the Cell
The Kokam SLPB98188216P is a pouch cell designed for UAV applications, featuring a nominal capacity of 111.0 Wh and 30.0 Ah. With a volumetric energy density of 257 Wh/l, it is around the median compared to the database, while its gravimetric energy density of 128 Wh/kg is below the median. The cell boasts a maximum continuous discharge of 600 A, placing it among the highest in the database. Additionally, its volumetric power density of 5148 W/l is in the top-quartile, making it suitable for demanding applications where weight and power are critical considerations. This cell is particularly advantageous for drone battery design, allowing for lightweight and efficient UAV battery pack design.
Application Challenges
In the EVTOL sector, the weight versus power trade-off in pack design is crucial. UAVs require batteries that not only provide sufficient energy for extended flight times but also maintain a lightweight profile to enhance overall performance. The challenge lies in selecting the right cell that balances these factors effectively. High energy density is essential for long endurance drone batteries, while lightweight designs are necessary for optimal UAV performance. The Kokam SLPB98188216P addresses these challenges by offering a robust discharge rate and energy capacity, ensuring that UAVs can operate efficiently even in demanding environments.
Why this Cell
The Kokam SLPB98188216P cell is ideal for UAV applications due to its impressive specifications. With a maximum continuous discharge of 600 A, it is among the highest in the database, allowing for high discharge rate UAV batteries that can handle demanding tasks. Its volumetric power density of 5148 W/l places it in the top-quartile, ensuring that UAVs can achieve optimal powertrain efficiency. Additionally, the cell's volumetric energy density of 257 Wh/l supports long endurance drone batteries, making it a reliable choice for UAV battery pack design. This combination of features makes the SLPB98188216P a strong candidate for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising battery selection for UAV applications. By modelling load profiles, thermal behaviour, and voltage sag, engineers can accurately predict the performance of the Kokam SLPB98188216P under various conditions. This approach allows for the assessment of usable energy and thermal management, ensuring that the selected cell meets the specific demands of the mission. For instance, simulating the thermal rise during high discharge scenarios can prevent overheating and enhance battery safety. This predictive capability supports informed decision-making in drone battery cell selection, ultimately leading to improved UAV mission endurance and reliability.
