EV Engineering News

Amprius ships A-Sample EV battery cells to USABC

Amprius Technologies, which produces lithium-ion batteries with silicon anodes, has shipped its SiMaxx A-Sample EV Cells to the United States Advanced Battery Consortium (USABC).

Amprius’s internal testing of the A-Sample EV cell has shown specific energy of 360 Wh/kg at the beginning of its life—surpassing the USABC program target of 275 Wh/kg at end of life—while delivering specific power of 1,200 W/kg. The cells can charge to 90% of their rated energy in 15 minutes, exceeding the USABC target of 80%.

Delivered on schedule in September, the A-Sample EV cells shipment is the final milestone in the $3-million USABC technology development contract awarded to Amprius in May 2022 to create a low-cost, fast-charging silicon nanowire battery.

USABC is a subsidiary of the United States Council for Automotive Research (USCAR), the collaborative technology company of Ford Motor, General Motors and Stellantis, and is enabled by a cooperative agreement with the US Department of Energy (DOE).

“This is another important battery technology development milestone at Amprius after we successfully launched high-performance silicon anode battery business in aviation and light vehicle markets. We believe our batteries are well-positioned to support all electric mobility markets,” said Kang Sun, CEO of Amprius Technologies.

Source: Amprius Technologies

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