A battery that’s powered by human sweat
The Hindu
Indian scientist among the creators of battery that does not contain heavy metals or toxic chemicals
In a first, scientists from the Nanyang Technological University (NTU), Singapore, have introduced a stretchable battery that is powered by human perspiration. Dr. Gurunathan Thangavel, a native of Archampatti in Karur district, Tamil Nadu, is among the three scientists who designed and developed the battery that can discharge about 20 hours of electricity derived from just 2 ml of sweat. The soft stretchable battery comprises printed silver flake electrodes that generate electricity in the presence of sweat. The battery looks like a paper bandage that can be affixed to a flexible sweat-absorbent textile which draws power from sweat and transfers it to wearable devices, including smart watches and arm straps, via Bluetooth.
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