DESIGN AND PERFORMANCE EVALUATION OF FREE SPACE ENERGY HARVERSTING AND WIRELESS CHARGING

This paper investigates on the wireless charging of a device using the radio frequencies available within the range of 300MHz to 2.5 GHz in our surroundings. The design is made to store the converted energy in a battery which in turn charges a mobile using inductive charging. This work emphasizes on strengthening the harvested signals from the free space through the design of cascaded voltage multiplier circuit. The main goal of the work is to use renewable energy which is environment friendly and to eliminate the usage of power adapter so that it is easy for charging multiple devices at any time and any place. This paper focuses on improving the previously existing technologies and cutting down the limitations and the idea proposed would be a boon to encourage the use of renewable energy that is environment friendly.