HANGAR TALK UAS & eVTOL NEWS RELATING TO UNCrewed, AAM & eVTOL SYSTEMS
Amprius Unveils Industry Leading Ult ra-High-Power-High-Energy Lithium-ion Battery
Amprius Technologies Inc. is continuing to pioneer innovative battery technology with its newest ultra-high-power-high- energy lithium-ion battery. Leveraging the company’s advanced material system capability, the cell achieves an impressive discharge rate of 10C while delivering 400 Wh/kg energy density, a major advancement for electric aviation encompassing both crewed and uncrewed aerial systems – a market projected to be collectively over $49 billion USD by 2025.
The cell’s extraordinary power output brings unprecedented benefits to the electric vertical takeoff and landing aircraft (eVTOL) and unmanned aerial vehicle
(UAV) industries, providing
unmatched propulsion power and energy to meet the rigorous demands during takeoff, cruise, and landing. Moreover, it extends flight range by as much as 50%
40 July/Aug 2023
and increases payload capacity. The new cell’s groundbreaking capabilities extend to high-performance EVs, potentially enabling them to achieve 0 to 60 mph (0 to 97 km/h) acceleration below 1.5-seconds, redefining performance standards in the EV industry, projected to reach $67B by 2025.
“Commercial opportunities in electric
mobility are profoundly impacted by their power and energy requirements,” said Dr. Kang Sun, CEO of Amprius. “Our new cell delivers impressive specific power and energy density performance, approximately 200% higher than traditional graphite cells, while achieving a 10C discharge rate, significantly expanding application possibilities and driving cost-effectiveness.”
With an impressive power density of 3,500 W/kg in standard discharge conditions and a maximum power exceeding 4,400 W/kg at lower depths-of-discharge, the cell’s usable discharge capability is extended. It supports high current pulses
at low states of charge without going below the lower cut-off voltage, namely 3,000 W/kg at 30% depths-of-discharge. The combination of high energy density and high-power density reduces battery weight and volume, leading to extended range, reduced charging frequency, and lower operating costs.
In addition, the new ultra-high-power cell boasts an ultra-fast charging (UFC) capability, reaching 80% charge in approximately six minutes or less, transforming mission-critical operations with swift turnaround times.
Amprius remains dedicated to providing batteries that are a key component required to advance electric mobility. Amprius expects to have samples of this cell available for customers by the end of 2023 with the commercialization of the new cells slated for early 2024.
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