Amprius begins supplying smartphone and tablet OEMs with sample batteries with silicon-based anodes

Five-year-old startup Amprius has launched its first lithium-ion (Li-ion) batteries, using silicon material in the anodes. The company appears to be making not only the anode material, but also the batteries themselves: It claims to be supplying OEMs with sample 1.9 Ah smartphone batteries and 4....

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