Amprius SA02 Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Amprius SA02 cell for UAV applications, designed to enhance safety and manage thermal risks during flight. Learn more about its capabilities.
Value Propositions
Pouch form factor with a nominal capacity of 38.5 Wh and 11.0 Ah.
Volumetric energy density of 740 Wh/l, top-quartile vs median of 542 Wh/l.
Gravimetric energy density of 340 Wh/kg, around median vs 210 Wh/kg.
Maximum continuous discharge of 33.0 A, top-quartile vs median of 30 A.
Volumetric power density of 2,219 W/l, around median vs 2,029 W/l.
About the Cell
The Amprius SA02 cell is a pouch-type lithium-ion battery designed for UAV applications, featuring a nominal capacity of 38.5 Wh and 11.0 Ah. It boasts a volumetric energy density of 740 Wh/l, which is in the top-quartile compared to the database median of 542 Wh/l. Additionally, its gravimetric energy density stands at 340 Wh/kg, which is around the median of 210 Wh/kg. The cell's maximum continuous discharge rate is 33.0 A, placing it in the top-quartile against the median of 30 A. Furthermore, the volumetric power density of 2,219 W/l is also around the median of 2,029 W/l, making it a strong contender for high-performance UAV applications.
Application Challenges
In the context of EVTOL and safety and risk management, particularly around overheating and thermal runaway during flight, the Amprius SA02 cell addresses critical challenges. The high energy density is essential for extending flight times, which is crucial for UAVs operating in demanding environments. Overheating poses a significant risk during prolonged use, and the SA02's design mitigates this risk through its robust thermal management capabilities. The ability to maintain performance under high discharge rates is vital for ensuring mission success, especially in emergency scenarios where reliability is paramount.
Why this Cell
The Amprius SA02 cell is specifically engineered to meet the rigorous demands of UAV applications, particularly in safety and risk management. With a maximum continuous discharge rate of 33.0 A, it is in the top-quartile compared to the median of 30 A, ensuring that it can handle the high power requirements of demanding flight profiles. Its volumetric energy density of 740 Wh/l, which is in the top-quartile vs the median of 542 Wh/l, allows for longer flight times, crucial for missions that require extended endurance. This cell's performance characteristics make it an ideal choice for applications where safety and efficiency are paramount.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Amprius SA02 cell for UAV applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and extreme temperatures. This predictive capability allows for the selection of the most suitable cell for specific mission profiles, ensuring that thermal runaway risks are minimised. Furthermore, modelling voltage sag and usable energy helps in accurately forecasting the battery's state of charge (SoC), which is essential for mission planning and execution. This approach not only enhances safety but also improves overall UAV performance, making the Amprius SA02 a reliable choice for critical applications.
