Tenpower 30PG 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 Tenpower 30PG cell for fast charging applications, optimising drone battery performance while preventing overheating and degradation.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 10.8 Wh and 3.0 Ah for efficient energy storage.
Top-quartile volumetric energy density of 611 Wh/l, +17% vs database median.
Gravimetric power density of 2298 W/kg, among the highest in database.
Maximum continuous discharge of 30 A, top-quartile vs median 30 A.
About the Cell
The Tenpower 30PG cell features a cylindrical 18650 form factor, providing a nominal capacity of 10.8 Wh and 3.0 Ah. With a volumetric energy density of 611 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l, making it an excellent choice for applications requiring compact energy storage. The gravimetric energy density of 230 Wh/kg is also noteworthy, being around the median of 209 Wh/kg. The cell's volumetric power density of 6105 W/l is among the highest in the database, ensuring that it can deliver power efficiently when needed. Additionally, the maximum continuous discharge rate of 30 A positions it well for high-demand applications, ensuring reliability and performance under load.
Application Challenges
In the context of EVTOL and fast charging, the challenge lies in charging the battery quickly without overheating or causing lithium plating, which can degrade performance or lead to safety hazards. Fast charging is crucial for operational efficiency, especially in drone applications where downtime must be minimised. The ability to manage thermal conditions while maintaining high discharge rates is essential to ensure that the cells perform reliably during rapid charging cycles. This requires careful consideration of the cell's thermal management and energy density characteristics to prevent overheating and ensure safety.
Why this Cell
The Tenpower 30PG cell is particularly suited for fast charging applications due to its high volumetric energy density of 611 Wh/l, which allows for efficient energy storage in compact spaces. Its maximum continuous discharge rate of 30 A ensures that it can handle the demands of rapid charging without overheating, positioning it in the top-quartile compared to the median of 30 A in the database. The cell's gravimetric power density of 2298 W/kg also supports high discharge rates, making it ideal for UAV applications where performance is critical. This combination of high energy density and robust discharge capabilities makes the 30PG an excellent choice for UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 30PG cell for fast charging 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 the identification of potential overheating issues before they occur, ensuring that the cell can be safely charged at high rates. Additionally, simulations can help in understanding voltage sag and usable energy across the entire flight envelope, enabling more accurate predictions of battery performance during missions. This data-driven approach supports the selection of the most suitable cells for specific applications, reducing the risk of failure and enhancing overall reliability.
