BAK N18650CNP Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the BAK N18650CNP cell for drones, designed for safety and efficiency in managing overheating and thermal runaway during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh, ideal for UAV applications.
Top-quartile volumetric energy density of 525 Wh/l.
Maximum continuous discharge of 30.0 A for high performance.
Gravimetric power density of 2,298 W/kg, supporting rapid energy delivery.
About the Cell
The BAK N18650CNP cell is a cylindrical lithium-ion battery with a nominal capacity of 9.0 Wh (2.5 Ah). It features a volumetric energy density of 525 Wh/l, which is around the median of the market, ensuring efficient use of space in drone designs. The gravimetric energy density stands at 191 Wh/kg, providing a lightweight solution for UAV applications. With a maximum continuous discharge rate of 30.0 A, this cell is well-suited for high-demand scenarios, such as heavy-lift operations. Additionally, the volumetric power density of 6,297 W/l places it among the highest in the database, allowing for quick bursts of power when needed. This combination of features makes the N18650CNP an excellent choice for drone battery design.
Application Challenges
In the realm of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. Drones often operate in extreme environments where temperature fluctuations can significantly impact battery performance. The BAK N18650CNP cell's high energy density is crucial for extending flight times, as it allows for longer missions without the need for frequent recharges. Furthermore, the ability to manage thermal conditions effectively is essential to prevent battery failure, which can lead to mission-critical issues. The challenges of drone battery design require careful consideration of both energy capacity and thermal management to ensure reliability and safety in various operational scenarios.
Why this Cell
The BAK N18650CNP cell is specifically designed to meet the demanding requirements of drone applications, particularly in safety and risk management. With a maximum continuous discharge rate of 30.0 A, it supports high-performance needs, making it suitable for applications that require rapid energy delivery. Its volumetric energy density of 525 Wh/l is around the median, ensuring that drones can carry sufficient energy without excessive weight. Additionally, the cell's gravimetric power density of 2,298 W/kg places it in the top quartile, allowing for efficient energy use during flight. This combination of high energy and power densities makes the N18650CNP an ideal choice for UAV battery optimization.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the BAK N18650CNP cell for drone applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and temperature fluctuations. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that drones can operate safely and efficiently. For instance, simulating the thermal rise during high current draws helps identify potential overheating issues before they occur, enabling proactive design adjustments. Furthermore, accurate modelling of voltage sag and usable energy ensures that operators can make informed decisions about battery state of charge (SoC) and mission feasibility, ultimately enhancing drone reliability and performance.
