An experimental water-activated, biodegradable batteries may help make single-use electronics, such as point-of-care diagnostic gadgets, more ecologically friendly.
August 05, 2022
In standard batteries, water can cause a short circuit by disrupting the flow of electrons from the positive to the negative terminal. Researchers from the Swiss Federal Laboratories for Materials Science and Technology, in Dübendorf, Switzerland, have harnessed the electrochemical properties of water and have used it as a catalyst.
e-Waste, waste generated by electronics, has been steadily increasing. Each year, the total amount of electronic equipment used across the worldGlobally by 2030, the total amount of e-waste is expected to reach 74.7 million tonnes, which is equivalent to the weight of nearly 490 cruise ships. "We think it can be useful to power low-power electronics and sensors, for instance, for agricultural, environmental, or food sensing, but also, for instance, for biomedical diagnostic kits," said Nyström.
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