Korean scientists have found a way to generate electricity while purifying water. In this respect informs Korea Institute of Science and Technology.
The developed “sandwich-like” plate consists of a water-filtering porous membrane at the bottom and an added electricity-generating conductive polymer at the top. The membrane is designed for wastewater treatment with water flow in a certain direction. Water flowing perpendicular to the surface produces direct current due to the horizontal movement of ions. The membrane can capture more than 95% of contaminants smaller than 10 nm. Thus, it removes microplastics and heavy metal particles from wastewater, and more than 3 hours of uninterrupted electricity can be produced using only 10 µl (microliter) of water.
Since the membrane can be produced using 3D printing and has no size restrictions, it should have high commercial appeal due to low manufacturing costs. Currently, scientists are trying to improve the quality of water purification to a level that can be drunk immediately.
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