Self-contained energy harvester converts vibrations into electricity using bulk micromachined piezoelectrics.
Electrical engineers from the University of Michigan claim to have invented a technique for micro-machining piezoelectric MEMS that generate 10-times more power than conventional energy harvesters. The research team said a penny-sized piezoelectric MEMS could generate enough electricity to power medical implants in the body and wireless sensors on motor vehicles. The energy harvester market for wireless sensor networks is expected to $450 million by 2015,
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