Abstract
Herein we report a clean energy electrical generator based on rare earth magnet and kerosene oil based Ferro-fluid. The rare earth magnet move relative to a conducting coil by a support structure in the presence of kerosene oil based Ferro-fluid providing an ultralow friction interface between the magnet and support structure. In present work, an open circuit voltage of 5.0 V and a short circuit current of 2.08 mA have been generated in the tested assembly. Upon connecting two conducting coils in series the short circuit current remains 2.02 mA, but the open circuit voltage increased to 9.1 V and, upon connecting in parallel the current increased to 3.8 mA and voltage remains 4.8 V. The assembly can be attached with human leg/arms and an electrical signal has been generated in the conducting coil by the moving magnetic field with the moment of leg/arms while moving or running. The generated energy has been used to charge a small gadget’s battery of around 3.7 V–50 mA h.
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