Investigating an alternative electricity supply system for preventing emergencies under conditions of limited capacity

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.206395

Keywords:

cadmium telluride, photoelectric converters, tandem and double-sided sensitive instrument structures

Abstract

Film solar cells have been investigated to meet the need for an alternative system of electricity supply during the elimination and prevention of an emergency when an electricity supply system is damaged. Given the high degradation resistance of cadmium telluride, the study has examined the two-way sensitive solar cells based on CdS/CdTe with a super-thin base layer suitable for forming tandem structures. Creating the tandem structures makes it possible to improve the efficiency by placing another photoconverter at the front surface. We have measured the light volt-ampere characteristics of ITO/CdS/CdTe/Cu/ITO solar cells with a base layer thickness of 1 µm when simultaneously lighting the rear and frontal sides. It has been experimentally shown that two-way lighting makes it possible to increase the electrical power generated by the device structure by 30 %.

The study of the spectral dependences of transmittance has shown that the device structures ITO/CdS/CdTe/Cu/ITO with a thickness of the base layer of 1 µm demonstrate, in the spectral range (0.82‒1.10) µm, average transmittance of 0.58. Examining the light volt-ampere characteristics of the solar cells Mo/CuInSe2/CdS/ZnO/ZnO:Al/Ni: Al/Ni has shown that placing, at its frontal surface, the solar element ITO/CdS/CdTe/Cu/ITO leads to a decrease in efficiency from 11.2 % to 6.0 %. Such a decrease is primarily due to a decrease in the short-circuit current density from 25.9 mA/cm2 to 13.8 mA/cm2. However, as the efficiency of the ITO/CdS/CdTe/Cu/ITO solar element is 7.8 %, the tested tandem photovoltaic converters ITO/CdS/CdTe/Cu/ITO – Mo/CuInSe2/CdS/ZnO/ZnO:Al/Ni demonstrated the efficiency 13.8 %

Author Biographies

Alexandr Burmenko, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

Scientific Department on the Problems of Civil Defense, Technogenic and Ecological Safety of Research Center

Natalya Deyneko, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD, Associate Professor

Scientific Department on the Problems of Civil Defense, Technogenic and Ecological Safety of Research Center

Irina Hrebtsova, Design and Technology Institute of Micrographics Akademika Pidhornoho lane, 1/60, Kharkiv, Ukraine, 61046

Head of Sector

Sector for Standartization and Scientific and Techincal Information

Scientific and Technical Department of Monitoring, Standardization and Planning of Scientific Work

Igor Kryvulkin, Design and Technology Institute of Micrographics Akademika Pidhornoho lane, 1/60, Kharkiv, Ukraine, 61046

PhD, Director

Olga Prokopenko, Cherkasy Regional Center of Hydrometeorology Cherkasy lane, 12, Cherkasy, Ukraine

Department of Hydrometeorological Support

Roman Shevchenko, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

Doctor of Technical Sciences, Senior Researcher

Scientific Department on the Problems of Civil Defense, Technogenic and Ecological Safety of Research Center

Olexandr Tarasenko, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

Doctor of Physical and Mathematical Sciences, Professor

Department of Physical and Mathematical Sciences

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Published

2020-06-30

How to Cite

Burmenko, A., Deyneko, N., Hrebtsova, I., Kryvulkin, I., Prokopenko, O., Shevchenko, R., & Tarasenko, O. (2020). Investigating an alternative electricity supply system for preventing emergencies under conditions of limited capacity. Eastern-European Journal of Enterprise Technologies, 3(12 (105), 56–61. https://doi.org/10.15587/1729-4061.2020.206395

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Section

Materials Science