Ampace 21700A Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the Ampace 21700A cell for mission feasibility assessments in EVTOL applications, optimising drone battery performance and reliability.
Value Propositions
Cylindrical 21700 form factor with a nominal capacity of 14.8 Wh and 4.0 Ah.
Volumetric energy density of 589 Wh/l, top-quartile vs median of 541.67 Wh/l.
Gravimetric energy density of 211 Wh/kg, around median of 210 Wh/kg.
Maximum continuous discharge of 45 A, top-quartile vs median of 30 A.
Volumetric power density of 6628 W/l, among the highest in database.
About the Cell
The Ampace 21700A cell is designed in a cylindrical 21700 form factor, featuring a nominal capacity of 14.8 Wh and 4.0 Ah. This cell boasts a volumetric energy density of 589 Wh/l, which is in the top-quartile compared to the database median of 541.67 Wh/l. Its gravimetric energy density stands at 211 Wh/kg, which is around the median of 210 Wh/kg. Additionally, the cell offers a maximum continuous discharge of 45 A, placing it in the top-quartile against the median of 30 A. The volumetric power density is an impressive 6628 W/l, which is among the highest in the database, making it an excellent choice for high-performance applications.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the Ampace 21700A cell addresses critical challenges. The ability to assess what missions or use cases are feasible using simulation is paramount. High energy density is essential for long endurance drone batteries, allowing for extended flight times. The cell's performance under various conditions, including temperature and state of charge (SoC), is vital for reliable mission execution. Accurate predictions of battery performance can prevent mid-air failures and ensure that drones can complete their missions effectively, especially in extreme environments.
Why this Cell
The Ampace 21700A cell is particularly suited for EVTOL applications due to its high energy density and robust performance metrics. With a maximum continuous discharge of 45 A, it supports high discharge rate UAV batteries, essential for demanding flight profiles. The volumetric energy density of 589 Wh/l ensures that drones can carry more energy without increasing weight, which is crucial for improving UAV mission endurance. Furthermore, the cell's gravimetric energy density of 211 Wh/kg is around the median, providing a balanced solution for weight-sensitive applications.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the use of the Ampace 21700A cell for mission feasibility assessments. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict the cell's performance under various conditions. This approach allows for the identification of optimal operating parameters, ensuring that the drone can deliver the required thrust and energy throughout its flight. Additionally, simulation helps in understanding the thermal rise and usable energy, which are crucial for selecting the right cell for specific missions, ultimately leading to more reliable and efficient UAV operations.
