Research of photovoltaic properties of cogeneration cylindrical photovoltaic module for hybrid solar panels

Abstract

Solar energy is the most efficient and cleanest source of energy, as well as a cheap and eternal source of renewable energy. Improving the energy efficiency of solar panels will optimize their energy characteristics and operating modes, taking into account the load and solar radiation energy. The work is aimed at studying photosensitive structures based on porous Si and ZnO that are promising for solar energy. To increase the efficiency of solar panels, hybrid panels based on cogeneration photovoltaic modules of cylindrical shape cooled by liquid have been developed. This will open up the possibility of creating hybrid solar photovoltaic panels for simultaneous the generation of electricity and heat. A scheme for a hybrid solar panel device using a cooled cogeneration cylindrical photomodule based on ZnO/porous-Si/Si heterostructures is proposed. Using the PC1D program, the light characteristics of the manufactured structure (no-load voltage VOC, short-circuit current ISC, fill factor FF, and efficiency η) were calculated and the volt-ampere characteristics were plotted. The influence of porous-Si and ZnO layer thickness, texture, and doping level of the ZnO layer, as well as the effect of temperature on the performance of a ZnO/porous-Si/Si heterojunction solar cell was investigated in order to obtain a device with good conversion efficiency. It has been established that the energy conversion efficiency of a cogeneration cylindrical photomodule based on ZnO/porous-Si/Si heterostructures can reach 23.9 %.