Amprius SA30 EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Amprius SA30 cell, designed for EVTOL applications to maximise flight time and overcome core technical challenges.
Value Propositions
Pouch form factor with nominal capacity of 87.72 Wh and 25.8 Ah.
Volumetric energy density of 699 Wh/l, top-quartile vs median of 541.67 Wh/l.
Gravimetric energy density of 325 Wh/kg, around median of 210 Wh/kg.
Maximum continuous discharge of 103.2 A, top-quartile vs median of 30 A.
Volumetric power density of 2796 W/l, around median of 2029 W/l.
About the Cell
The Amprius SA30 cell is a pouch-type lithium-ion battery with a nominal capacity of 87.72 Wh and 25.8 Ah. It boasts a volumetric energy density of 699 Wh/l, which is in the top-quartile compared to the median of 541.67 Wh/l in the market. Its gravimetric energy density is 325 Wh/kg, which is around the median of 210 Wh/kg. The cell features a maximum continuous discharge rate of 103.2 A, significantly higher than the median of 30 A, making it suitable for demanding applications like UAVs. Additionally, the volumetric power density is 2796 W/l, which is around the median of 2029 W/l, ensuring efficient energy delivery during operation. With a mass of 270 g and a volume of 125.48 litres, the SA30 is designed for high-performance applications, particularly in EVTOL scenarios where weight and space are critical.
Application Challenges
In EVTOL applications, maximising flight time is crucial. The Amprius SA30 cell addresses this by optimising cell selection, duty cycle, and flight speed. High energy density is essential for extending drone flight times, especially in demanding environments. The challenge lies in ensuring that the battery can deliver the required energy without overheating or compromising safety. The SA30's specifications allow for efficient energy use, which is vital for long endurance missions. Additionally, the ability to manage thermal performance is key to preventing battery failure during extended operations. As UAVs are often deployed in extreme conditions, the SA30's robust design ensures reliability and performance under varying temperatures and loads.
Why this Cell
The Amprius SA30 cell is specifically designed to meet the challenges of EVTOL applications. With a maximum continuous discharge rate of 103.2 A, it is in the top-quartile compared to the median of 30 A, making it ideal for high-demand scenarios. Its volumetric energy density of 699 Wh/l allows for longer flight times, which is critical for UAV missions. The cell's gravimetric energy density of 325 Wh/kg is around the median, ensuring that it remains lightweight while providing substantial power. This combination of high energy and power densities enables the SA30 to excel in applications requiring extended endurance and performance, making it a preferred choice for drone battery design and UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Amprius SA30 cell for EVTOL applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the cell will perform under various conditions. This allows for the selection of the most suitable cell for specific missions, ensuring that the UAV can achieve its required flight time and payload capacity. Additionally, simulations help in understanding the thermal rise and energy usage during different flight speeds, enabling better battery thermal management. This predictive capability reduces the risk of mid-air failures and enhances mission reliability, particularly in challenging environments. By leveraging these advanced design techniques, operators can confidently deploy UAVs knowing they have selected the optimal battery solution for their needs.
