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Amprius SA65 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.

Discover the Amprius SA65 cell for drones, optimising flight time and performance with high energy density and lightweight design for UAV applications.

Value Propositions

  • Pouch form factor with a nominal capacity of 4.38 Wh and 1.27 Ah.

  • Volumetric energy density of 458 Wh/l, top-quartile vs median of 542 Wh/l.

  • Gravimetric energy density of 359 Wh/kg, around median vs 210 Wh/kg.

  • Maximum continuous discharge of 5.1 A, top-quartile vs median of 30 A.

  • Volumetric power density of 1,839 W/l, +9% vs median of 2,029 W/l.

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About the Cell

The Amprius SA65 cell is designed specifically for aerospace applications, featuring a pouch form factor that allows for a nominal capacity of 4.38 Wh and 1.27 Ah. This cell boasts a volumetric energy density of 458 Wh/l, placing it in the top-quartile compared to the median of 542 Wh/l in the market. Additionally, its gravimetric energy density of 359 Wh/kg is around the median of 210 Wh/kg, making it a competitive option for lightweight drone battery packs. The cell's maximum continuous discharge rate of 5.1 A is also noteworthy, being in the top-quartile compared to the median of 30 A. Furthermore, the volumetric power density of 1,839 W/l is impressive, showing a +9% increase over the median of 2,029 W/l, which is crucial for high energy density drone batteries.

Application Challenges

In the aerospace sector, maximising flight time is critical. The Amprius SA65 cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. The ability to extend drone flight time is paramount, particularly in applications such as industrial inspections and emergency response. The high energy density of the SA65 cell allows for longer missions without the need for frequent recharging, which is essential for UAVs operating in extreme environments. Additionally, the lightweight nature of the cell contributes to improved UAV mission endurance, enabling drones to carry heavier payloads while maintaining efficiency. The challenge of preventing battery overheating during high discharge rates is also mitigated by the advanced thermal management capabilities of the SA65 cell.

Why this Cell

The Amprius SA65 cell is an ideal choice for aerospace applications focused on maximising flight time. With a nominal capacity of 4.38 Wh and a volumetric energy density of 458 Wh/l, it stands out in the market. The cell's maximum continuous discharge rate of 5.1 A is in the top-quartile compared to the median of 30 A, ensuring reliable performance during demanding missions. Furthermore, the gravimetric energy density of 359 Wh/kg is around the median, providing a balance between weight and energy output. This cell is specifically designed to meet the needs of drone battery design, making it a top contender for UAV battery optimisation.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the selection of the Amprius SA65 cell for drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict the cell's performance under various conditions. This approach allows for the identification of the optimal duty cycle and flight speed, ensuring that the drone can achieve maximum flight time. Additionally, simulations help in understanding the thermal rise and usable energy, which are critical for preventing overheating and ensuring safe battery operation. By leveraging cell-specific data, designers can make informed decisions that enhance UAV battery performance and reliability.

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