Amprius Claims Game-changing Battery Recharge Rate

The lithium-ion battery cell producer says its Si-Nanowire anode platform has recharged a cell from 0 to 80 percent in just six minutes.

Lilium recharging — Charging stations being developed by ABB are expected to give the batteries of the Lilium Jet an 80 percent charge in 15 minutes. Now Amprius Technologies says its Si-Nanoware platform can charge lithium-ion batteries in just 6 minutes. (Image: Lilium)

By Charles Alcock • Managing Editor

December 7, 2021

Amprius Technologies has announced what it describes as a breakthrough in battery charging rates that could significantly boost the performance of electric vehicles, including eVTOL models. The U.S.-based start-up says that using its proprietary Si-Nanowire anode platform, it achieved a 0 to 80 percent charge rate for silicon anode Lithium-Ion battery cells in just six minutes.

The company says the result of the trial has been independently verified by Mobile Power Solutions and meets the U.S. Advanced Battery Consortium’s goal of achieving an 80 percent charge in less than 15 minutes by 2025. It claims that an unnamed Fortune 100 company is now evaluating the Si-Nanowire technology.

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