The piezoelectric effect is the key to the functioning of this artificial tree that produces energy.
Research by scientists at Iowa State University (USA) has shown that it is possible to obtain electric power by mimicking plants. In this case, the researchers have designed an artificial tree that emulates the traditional, whose leaves produce electricity when they receive the impulse or the wind rolling. Biomimetics, the science that defines the use of artificial devices or structures to imitate the natural ones, is the key to this project together with the piezoelectric effect.
On the one hand, biomimetics has made possible the design of this artificial tree – although the prototype is somewhat crude and unrealistic, it is likely that in the future it may be much more similar to real trees – and, on the other hand, the production of electricity Is due to the artificial leaves – made of piezoelectric crystals – that generate electricity from the wind energy.
How does the artificial tree work?
Within the stems of the artificial leaves made by the researchers are small plastic sheets that release an electric charge when they are moved by air since their mechanical tension causes their mass to acquire electric polarization, which we call piezoelectricity. And it is that the flexible piezoelectric sheets or leaves of this tree oscillate in a regular pattern, which makes them very efficient in generating electricity.
In the future will be able to manufacture both machines of smaller size that perform the same function as trees more realistic and similar to the natural ones that in turn are reporting us electric energy thanks to the wind energy as if windmills of nature were.
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