Proje Geliştirme ve
Koordinasyon Birimi

2015-09-15 Ukraine: Micropower Electric Converters Based on Thread ZnO Nanocrystals


Partnership request - Micropower electric converters based on thread ZnO nanocrystals

Description of the project offered: 
This project seeks to solve an important scientific and applied problem of transformation and stabilization of parameters of electricity using semiconductor micropower converters. More specifically, consortium, which will be formed, is aiming to construct the converter used high efficiency devices, which minimizes losses in transformers and provide the necessary parameters of load voltage.

In general, Nanogenerators of electric energy is one of the promising areas of micropower supply systems that can be used for power generation in life support systems, power mobile and medical devices, devices for collecting and processing information. The nanogenerator output voltage is unstable and is changing in a wide range. Due to the low (1.5 V) and unstable output voltage at the output must install electricity converters with low voltage drop and power in range from microwatts to several watts.

Electric power conversion allows reduce in several times energy loss and increases the efficiency. Reducing the amount of energy loss is achieved by special converter circuit, which will increase the service life of the power supply compared to systems based on chemical power sources several times.

Nanogenerator consists of an array of whisker nanocrystals, usually with zinc oxide or other materials that are both semiconductors and piezoelectric. The energy of deformation filamentary nanocrystals transform into electrical form. One of the conversion method deals with special electrode. The frequency of strains can be in a wide range from milihertz to tens of kilohertz. During electrode vibration, the deformation of nanofibers generates electrical energy, which appears on electrodes. The nanogenerator voltage amplitude is in the range of tens of millivolts to several volts. Output capacitor accumulates electrical energy and leads to significant volatility parameters of the output voltage.

Therefore, present project, at its current stage has been developed by a dedicated group from Faculty of Electronics of NTUU “KPI” and is seeking for minimum two participating EU countries, which are different from each other. For the sake of the project further formed team are to apply for the grant enough for running and successful completion of the project within 3-4 years.
Project proposer:   International Project Department (Ukraine)
Partner role:  Project participant 
Partner organisation:  Research
Call for proposal title:  N/A