A new flexible generator converts muscle movements into enough power for
small electronics, using human skin as one of its charge-collectors. The
postage-stamp-sized device takes advantage of static electricity to convert
mechanical energy into electrical energy.
Such friction-powered generators could usher new types of wearable sensors
that don't require batteries but instead are powered by the wearer's daily
activities like walking, talking or holding an object.
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The new device, which researchers from the National University of Singapore presented at the IEEE MEMS 2015 conference last week, can generate 90 volts of open circuit voltage when touched gently with a finger. Electrical and computer engineering professor Chengkuo Lee and his colleagues demonstrated that the new device can be used as a wearable self-powered sensor to track the user's motion and activity.
Source: Medindia
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