Amprius SA11 Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Amprius SA11 cell for drones, designed for safety and risk management against overheating and thermal runaway during flight.
Value Propositions
Pouch form factor with a nominal capacity of 105.0 Wh and 30.0 Ah.
Volumetric energy density of 725 Wh/l, placing it in the top-quartile vs median.
Gravimetric energy density of 334 Wh/kg, ensuring lightweight drone battery packs.
Maximum continuous discharge of 90 A, top-quartile vs median discharge rates.
Volumetric power density of 2,174 W/l, among the highest in the database.
About the Cell
The Amprius SA11 cell features a pouch form factor, providing a nominal capacity of 105.0 Wh and 30.0 Ah. With a volumetric energy density of 725 Wh/l, it ranks in the top-quartile compared to the database median, making it an excellent choice for long endurance drone batteries. The gravimetric energy density of 334 Wh/kg ensures that the battery remains lightweight, which is crucial for UAV applications. Additionally, the cell boasts a maximum continuous discharge of 90 A, placing it in the top-quartile compared to the median of 30 A. This high discharge capability is essential for applications requiring rapid power delivery. Furthermore, the volumetric power density of 2,174 W/l is among the highest in the database, allowing for efficient energy use during flight.
Application Challenges
In the context of drones, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The Amprius SA11 cell addresses these challenges by providing high energy density and robust thermal management capabilities. With a maximum continuous discharge of 90 A, it ensures that drones can operate under demanding conditions without compromising safety. The lightweight design, combined with high energy density, allows for extended flight times, which is critical for mission success. In scenarios where drones are deployed in extreme environments, the ability to prevent battery overheating is essential to maintain operational integrity and reliability.
Why this Cell
The Amprius SA11 cell is specifically designed for drone applications, offering a nominal capacity of 105.0 Wh and a maximum continuous discharge of 90 A. This performance is complemented by a volumetric energy density of 725 Wh/l, which is in the top-quartile compared to the median of 541 Wh/l. Such metrics are crucial for UAV battery optimization, enabling longer flight times and improved mission endurance. The lightweight nature of the cell, with a gravimetric energy density of 334 Wh/kg, ensures that drones can carry additional payloads without sacrificing performance. This combination of high energy density and robust discharge capabilities makes the SA11 an ideal choice for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Amprius SA11 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 extreme temperatures. This predictive capability allows for informed decisions when selecting battery cells, ensuring that the chosen cell meets the specific demands of the mission. For instance, simulations can identify potential overheating issues and enable the design of effective thermal management strategies. By accurately modelling voltage sag and usable energy, engineers can enhance battery thermal management for drones, ultimately leading to safer and more reliable UAV operations.
