"Flying Batteries" Could Help Microdrones Take Off
Cars That Think
MARCH 6, 2025
But theyre a difficult engineering challenge, says Patrick Mercier , an electrical and computer engineering professor at University of California San Diego. milligram cell can store 20 microampere-hours of charge, or about 60 ampere-hours per liter. The piezoelectric actuator in the circuit acts like a capacitor, storing energy.
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