MEMS Radioisotope-Powered Piezoelectric µ - Power Generator (RPG)
作者： R. Duggirala , R. Polcawich , E. Zakar , M. Dubey , H. Li
DOI: 10.1109/MEMSYS.2006.1627744
关键词:
摘要: We present a microfabricated die-scale Radioisotope-powered Piezoelectric µ -power Generator (RPG) with nuclear to electrical conversion efficiency as high 3.7%. The generator employs direct charging convert radiated β-particle kinetic energy into stored electromechanical in piezoelectric unimorph, and piezoelectricity the mechanical extractable energy. goes through charge-discharge-vibrate cycle, integrating collected during phase. This enables power output (1.13 W peak across 90 kΩ load impedance) for short time (10 s) vibration even radioactive film emitting only 100 nW of continuous power.
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