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Herein, we report new types of TENGs containing comb-shaped electrode, which are fabricated with a simple thermal nanoimprinting process where a commercially-available metal mesh was used as a stamp to simply impart microtopography on the TENGs to increase electrical output performance.
For example, a total of 22 hydroelectrical power plants were erected, increasing electrical output from 45 000 kV in 1943, to 350 000 kV in 1952.
Regarding specific external vibration conditions, a high frequency of external vibration can lead to a dramatic effect of each piezoelectric element's capacitance on increasing electrical outputs, but also can reduce the benefit from adding more piezoelectric elements to produce higher electrical outputs.
Through testing the effects of several components in the EHPS on electricity generation, this study confirms that using more flexible conductive asphalt mixtures and arranging more piezoelectric elements with a higher piezoelectric stress constant can increase electrical outputs from the EHPS.
Such a structure created the reduced interior cross-sectional area and thus increased vapor flow velocity within the channels, while the high vapor velocity generated a higher shear stress exerted upon the liquid-vapor interface, leading to the reduced liquid film thickness, increased refrigerant evaporation rate, and increased electrical and heat outputs.
Analysis shows that the interwell motions during coupled vibration period enable to increase electrical power output in comparison to conventional frequency up-conversion technology.
Improvement of the system performance can be achieved by the use of an additional glazing to increase thermal output, a booster diffuse reflector to increase electrical and thermal output, or both, giving flexibility in system design.
A few years later, he increased the electrical output by stringing together a series of such devices, but he seems never to have pursued the idea much further.
The dual fluids operation mode has reduced the solar cells temperature and hence increased the electrical output.
Such devices could significantly increase the electrical output of existing power plants or power the electrical systems of automobiles, replacing alternators and increasing gas mileage.
The research team is also experimenting with interconnecting the piezoelectric micro generators to increase the electrical output and potentially power bigger things.
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