Abstract
Based on BIPV, the idea of flexible amorphous silicon solar cell (PV) and PVC membrane composite was put forward. In this paper, the influence of composite mode and force form is mainly investigated. The mechanical and electrical properties of PV-PVC composite under uniaxial and cyclic tension are obtained. The main results show that the tensile strength of PV-PVC composite is basically the same as that of PVC membrane. Compared with PVC membrane, the modulus of elasticity of PV-PVC composite under cyclic loading is significantly increased, while the residual strain and the area of hysteresis loop are significantly reduced. The difference in mechanical properties of different off-axis angles is significantly reduced. Under the stress level of common design strength of PVC membrane materials, solar cells can play a good photoelectric effect. This paper provides an important reference for the realization of membrane structure photovoltaic integration.
Highlights
With the rapid growth of the world population and the development of industrial technology, the demand for fossil energy is increasing [1, 2]. is has caused great damage to the environment [3]. erefore, BIPV has been developed as a new form of green energy-saving buildings [4,5,6,7]
Zhang et al [19,20,21] carried out a uniaxial tensile test and cyclic tensile test at different temperatures for coated fabric membrane materials, so as to carry out statistical analysis on its tensile strength, shear strength, and tear strength, and put forward the constitutive model of coated fabric membrane materials
In this paper, based on the building system of the integration of flexible thin-film solar cells and membrane structures, PV-PVC composite materials are taken as the Advances in Civil Engineering research object. e mechanical and electrical properties of PV-PVC composite under unidirectional and cyclic loading were studied by experiments. e variation of mechanical properties parameters before and after composite was investigated. e interaction mechanism of membrane material and solar cell was deeply analyzed
Summary
With the rapid growth of the world population and the development of industrial technology, the demand for fossil energy is increasing [1, 2]. is has caused great damage to the environment [3]. erefore, BIPV has been developed as a new form of green energy-saving buildings [4,5,6,7]. BIPV is a technology that integrates photovoltaic systems into buildings. It has the characteristics of low energy consumption, sustainability, and high economic benefits [8,9,10,11,12]. Is creates unique conditions for the integration of the flexible membrane solar cell and the tensioned membrane structure. Erefore, it is of great significance to study the mechanical and electrical properties of PV-PVC composite under complex stress. In this paper, based on the building system of the integration of flexible thin-film solar cells and membrane structures, PV-PVC composite materials are taken as the Advances in Civil Engineering research object. E mechanical and electrical properties of PV-PVC composite under unidirectional and cyclic loading were studied by experiments. In this paper, based on the building system of the integration of flexible thin-film solar cells and membrane structures, PV-PVC composite materials are taken as the Advances in Civil Engineering research object. e mechanical and electrical properties of PV-PVC composite under unidirectional and cyclic loading were studied by experiments. e variation of mechanical properties parameters before and after composite was investigated. e interaction mechanism of membrane material and solar cell was deeply analyzed
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