Jiangsu Sunpower 30T EVTOL Weight v power trade off in pack design - how to pick the right balance.
Explore the Jiangsu Sunpower 30T cell for EVTOL applications, optimising weight and power for drone battery design challenges.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 10.8 Wh and 3.0 Ah for reliable performance.
Top-quartile volumetric energy density of 615 Wh/l for efficient space use.
Gravimetric power density of 2,273 W/kg, ideal for high discharge rates.
Maximum continuous discharge of 30 A supports demanding UAV applications.
About the Cell
The Jiangsu Sunpower 30T cell features a cylindrical 18650 form factor, optimised for EVTOL applications. With a nominal capacity of 10.8 Wh and 3.0 Ah, it provides reliable energy storage for various drone operations. The cell boasts a volumetric energy density of 615 Wh/l, placing it in the top-quartile compared to the database median of 541.67 Wh/l, making it an excellent choice for compact battery designs. Additionally, its gravimetric energy density of 227.368 Wh/kg is around the median, ensuring a good balance between weight and energy storage. The cell's volumetric power density of 6,153.85 W/l is among the highest in the database, allowing for efficient energy delivery during high-demand scenarios. Furthermore, the maximum continuous discharge rate of 30 A supports demanding applications, ensuring that the cell can handle the rigorous requirements of UAV operations.
Application Challenges
In the context of EVTOL and the weight versus power trade-off in pack design, the Jiangsu Sunpower 30T cell addresses critical challenges. The need for lightweight yet powerful battery solutions is paramount in UAV applications, where every gram counts. The ability to optimise energy density while maintaining a manageable weight is essential for extending flight times and improving overall mission endurance. Current battery technologies often struggle to balance these two factors, leading to compromises in performance. The 30T cell's high energy density and robust discharge capabilities make it a strong candidate for overcoming these challenges, ensuring that UAVs can operate efficiently in various environments, including extreme conditions.
Why this Cell
The Jiangsu Sunpower 30T cell is particularly suited for EVTOL applications due to its impressive specifications. With a volumetric energy density of 615 Wh/l, it stands out as a top-quartile option compared to the database median of 541.67 Wh/l, allowing for more energy storage in a compact form. This is crucial for UAVs where space is limited. Additionally, its gravimetric power density of 2,273 W/kg is around the median, providing a reliable power source for high discharge rates. The maximum continuous discharge of 30 A ensures that the cell can meet the demands of various UAV applications, making it an ideal choice for drone battery design. The combination of these features allows for effective UAV battery optimisation, ensuring that operators can achieve the desired balance between weight and power.
How Model-Based Design Helps
Simulation and model-based design play a vital role in selecting the right battery cell for UAV applications like the Jiangsu Sunpower 30T. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the cell will perform under various conditions. This approach allows for accurate assessments of energy delivery and thermal management, which are critical for preventing overheating and ensuring safe operation. For instance, simulating the thermal rise during high discharge scenarios can help identify potential issues before they arise, allowing for proactive design adjustments. Furthermore, using cell-specific data enables precise predictions of usable energy, ensuring that operators can make informed decisions about mission feasibility based on battery state of charge (SoC) and environmental conditions. This level of analysis not only enhances battery selection but also improves overall UAV performance and reliability.
