Scientists from Nanyang Technological University Singapore (NTU Singapore) have developed a soft and
The battery prototype consists of printedelectrodes in the form of silver plates that generate electricity due to sweat. A 2cm by 2cm battery is as flat as a small paper bandage. It is attached to flexible and sweat-wicking textiles. The device stretches and attaches to wearable devices such as watches, wristbands, or belts.
To demonstrate the potential use of the battery in wearable biosensors and other electronic devices, the team tested their device with artificial human sweat.
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In a separate test, the team reported thatA person who put the battery on their wrist and rode a stationary bike for 30 minutes was able to generate a voltage of 4.2V and an output power of 3.9mW, which was enough to power the temperature sensor device and continuously transmit data to the smartphone via Bluetooth.
The battery does not contain heavy metals and toxic chemicals, unlike conventional batteries, which are often made from unstable materials that are harmful to the environment.
The development of a sweat battery reflectsthe commitment of researchers to find solutions to mitigate our environmental impact. This battery is a more sustainable alternative that can reduce harmful e-waste.
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