Device can light a small LED, charge a mobile and power diagnostic devices such as haemoglobin and glucose testing kits
An IIT-Kharagpur alumnus from Tripura has received the Gandhian Young Technological Innovation (GYTI) Award for developing a technology that uses wet clothes to charge mobile phones or medical diagnostic devices.
The innovation by Shankha Subhra Das from Khedabari in Sepahijala district of Tripura is part of a funded research project that explores the possibilities of powering low-power devices in remote areas.
A piece of cloth cut to a particular size is inserted into a plastic straw and placed in a container half-filled with water container. Copper electrodes are placed on both sides of the pipe, creating 700 millivolts. The electricity, according to Das, is generated through capillary action and evaporation of water.
A team of innovators with mechanical engineers and a sub-group of biotech and bio-science experts are now working on achieving a compact design and integrating it with medical diagnostic devices.
The research team connected a series of 30-40 such devices to increase power, resulting in generation of 12 volts, enough to charge mobile phones, microchip, mini gadget, medical diagnostic kits and even light a small LED bulb.
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