Murata VTC5D Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Murata VTC5D cell for EVTOL applications, designed for safety and risk management against overheating and thermal runaway during flight.
Value Propositions
Cylindrical 18650 form factor for compact UAV battery packs.
Nominal capacity of 10.08 Wh and 2.8 Ah for reliable energy supply.
Top-quartile volumetric energy density of 575 Wh/l for extended flight times.
Maximum continuous discharge of 35 A, ensuring high performance under load.
Gravimetric power density of 2,689 W/kg, ideal for lightweight drone applications.
About the Cell
The Murata VTC5D is a cylindrical 18650 lithium-ion cell designed for UAV applications. With a nominal capacity of 10.08 Wh and 2.8 Ah, it provides a reliable energy source for drones. Its volumetric energy density of 575 Wh/l places it in the top-quartile compared to the database median of 542 Wh/l, making it suitable for long endurance missions. The cell's gravimetric energy density of 215 Wh/kg is also competitive, being around the median of 210 Wh/kg. Additionally, the VTC5D boasts a maximum continuous discharge of 35 A, which is significantly higher than the median of 30 A, ensuring it can handle demanding flight profiles. The cell's volumetric power density of 7,184 W/l is among the highest in the database, allowing for rapid energy delivery when needed.
Application Challenges
In EVTOL applications, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The VTC5D's high energy density and robust discharge capabilities are critical in preventing thermal events that could compromise flight safety. The ability to manage heat generation effectively is essential, especially during high-load scenarios. Drones operating in extreme environments or carrying heavy payloads face increased risks of overheating, making the selection of the right battery cell crucial for mission success. The VTC5D's specifications help mitigate these risks, providing a reliable power source that enhances operational safety.
Why this Cell
The Murata VTC5D cell is an excellent choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge of 35 A, it is in the top-quartile compared to the median of 30 A, allowing for high performance during demanding missions. Its volumetric energy density of 575 Wh/l is significantly above the median of 542 Wh/l, enabling longer flight times without increasing weight. This cell's design prioritises safety, with robust thermal management capabilities that help prevent overheating and thermal runaway, making it ideal for UAV applications where reliability is critical.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising the selection of the Murata VTC5D for UAV applications. By simulating various load profiles, thermal behaviours, and voltage responses, engineers can accurately predict the cell's performance under different conditions. This modelling allows for the assessment of heat generation and energy delivery, ensuring that the selected cell meets the specific demands of the mission. For instance, simulations can identify potential overheating risks during high discharge scenarios, enabling engineers to make informed decisions that enhance safety and efficiency. By leveraging these advanced design techniques, the VTC5D can be confidently integrated into UAV systems, maximising performance while minimising risks.
