Conventional designs of triboelectric nanogenerator have delivered low electricity outputs. A simple tweak in design has changed its potential completely.
A simple trick deployed by researchers from the Central South University of China has helped extract more than twice the energy currently extracted from waves. This achievement could herald an age of large-scale blue-energy harvesting from ocean waves, a press release said.
However, electrodes placed inside the tube convert the mechanical energy of the flowing water into electricity. A similar device placed on waves could generate continuous clean energy from the liquid sloshing back and forth inside this tube. To test their hypothesis, the team designed two types of TENGs, one with the copper foil electrode in the center and another with the electrode at the end. The friction of the water hitting the electrodes or sliding against them produces electricity.
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