Journal
APPLIED PHYSICS LETTERS
Volume 111, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4991666
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Funding
- National Natural Science Foundation of China [61503051]
- Chongqing Municipal Education Commission [KJ1600904]
- Natural Science Foundation of Chongqing [cstc2014jcyjA70002]
- Research Center of Laser Fusion and CAEP [CX9152]
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An energy harvesting bracelet (EHB) based on two mutually exclusive circular motion permanent magnetic movers is demonstrated, which is able to capture energy through the natural motions of the wearer's wrist. The EHB can transform the translational motion in any orientation except the axial into the rotational motion of the movers, which passes through four coil transducers and induces significantly large electro-motive forces across the coils. A prototype EHB is shown to produce power that can charge a capacitor with 470 mu F 25 V up to more than 0.81 V during at most 132 ms from any single excitations. Published by AIP Publishing.
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