FREMONT, Calif.–(BUSINESS WIRE)– Amprius Technologies (NYSE: AMPX ), a leader in silicon anode lithium-ion batteries, today announced it has secured a purchase order totaling $21 million for its SiCore ® cylindrical cells from a new premier electric mobility customer in China. Amprius cells were chosen for the company’s suite of light electric vehicles, including scooters, three-wheelers, and…