柔性非晶硅PV与PVC膜材复合后力电性能试验研究
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摘要
基于柔性薄膜太阳能电池与张拉膜结构一体化建筑体系,提出了柔性非晶硅太阳能电池(Photovoltaics, PV)与聚氯乙烯(PVC)膜材相复合的设想,分析了柔性非晶硅PV与PVC膜材复合后的力电性能,重点考察了复合方式和受力方向的影响。研究表明:复合后材料的力电性能受复合方式及拉伸方向的影响明显;试件沿不同方向拉伸后破坏形态相差较大,且复合后的破坏模式主要受柔性非晶硅PV控制;沿平行电池条方向拉伸时,电池的输出电压缓慢下降,而沿垂直电池条方向拉伸时,电池的输出电压变化曲线存在明显的突降点;电池条方向与膜材经向或纬向粘贴的试验表明,柔性非晶硅PV与PVC膜材黏结界面连接都是可靠的。
Based on the integrated system of flexible thin-film solar cells and tensioned membrane structure, the composition of the flexible amorphous silicon photovoltaic panel(photovoltaics, PV)and polyvinyl chloride(PVC) coated fabrics is proposed in this paper. The mechanical and electrical behaviors of the integration system are analyzed. The effects of composite types and loading directions are mainly considered. Results show that the mechanical and electrical behaviors of the integration system is obviously affected by the composite types and loading directions. When the composite is tensioned parallel to the solar cell strips, the output voltage of the PV declines slowly. However, when the composite is tensioned perpendicular to the solar cell strips, the output voltage suddenly decreases. The failure modes of specimens along two directions are different, while the failure mode of the integration system is mainly determined by the flexible amorphous silicon PV. The bonding interface between flexible amorphous silicon PV and PVC coated fabrics is reliable and verified by the tests.
Based on the integrated system of flexible thin-film solar cells and tensioned membrane structure, the composition of the flexible amorphous silicon photovoltaic panel(photovoltaics, PV)and polyvinyl chloride(PVC) coated fabrics is proposed in this paper. The mechanical and electrical behaviors of the integration system are analyzed. The effects of composite types and loading directions are mainly considered. Results show that the mechanical and electrical behaviors of the integration system is obviously affected by the composite types and loading directions. When the composite is tensioned parallel to the solar cell strips, the output voltage of the PV declines slowly. However, when the composite is tensioned perpendicular to the solar cell strips, the output voltage suddenly decreases. The failure modes of specimens along two directions are different, while the failure mode of the integration system is mainly determined by the flexible amorphous silicon PV. The bonding interface between flexible amorphous silicon PV and PVC coated fabrics is reliable and verified by the tests.
引文
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[2] 施韬,沈佳燕,蒋金洋. 光伏建筑一体化研究及应用现状[J]. 新型建筑材料, 2011, 38(11):38- 41. (SHI Tao, SHEN Jiayan, JIANG Jinyang. Current application about building-integrated photovoltaic [J]. New Building Materials,2011,38(11):38- 41.(in Chinese))
[3] 孙颖,糜仲春,罗林. 推广光伏建筑一体化(BIPV)的几个关键问题探析[J]. 建筑节能, 2011, 39(12):41- 43.(SUN Ying, MI Zhongchun, LUO Lin. Analysis on key issues about extension of BIPV [J]. Building Energy Efficiency, 2011, 39(12):41- 43.(in Chinese))
[4] PEREZ-LOMBARD L, ORTIZ J, POUT C. A review on buildings energy consumption information[J]. Energy & Buildings, 2014, 40(3):394-398.
[5] AZADIAN F, RADZI M A M. A general approach toward building integrated photovoltaic systems and its implementation barriers: a review[J]. Renewable & Sustainable Energy Reviews, 2013, 22(8):527-538.
[6] LI D H W, YANG L, LAM J C. Zero energy buildings and sustainable development implications: a review[J]. Energy, 2013, 54(6):1-10.
[7] MAURUS H, SCHMID M, BLERSCH B, et al. PV for buildings: benefits and experiences with amorphous silicon in BIPV applications[J]. Refocus, 2004, 5(6):22-27.
[8] HU J, CHEN W, YIN Y, et al. Electrical-thermal-mechanical properties of multifunctional OPV-ETFE foils for transparent membrane buildings[J]. Polymer Testing, 2018,66:394-402.
[9] 武岳,杨庆山,沈世钊. 膜结构分析理论研究现状与展望[J]. 工程力学, 2014, 31(2):1-14.(WU Yue, YANG Qingshan, SHEN Shizhao. The current status and prospects of analysis theory of membrane structures [J]. Engineering Mechanics, 2014, 31(2):1-14.(in Chinese))
[10] 张营营,许珊珊,徐俊豪,等. 聚四氟乙烯膜材黏弹性本构关系[J]. 建筑结构学报, 2016,37(6): 245-252.(ZHANG Yingying, XU Shanshan, XU Junhao, et al. Viscoelastic constitutive relations of polytetrafluoroethylene coated fabrics [J]. Journal of Building Structures, 2016,37(6): 245-252.(in Chinese))
[11] ZHANG Y, XU J, ZHANG Q. Advances in mechanical properties of coated fabrics in civil Engineering[J]. Journal of Industrial Textiles, 2018, 48(1): 255-271.
[12] RUTHER R, BRAUN P. Energetic contribution potential of building-integrated photovoltaics on airports in warm climates[J]. Solar Energy, 2009, 83(10): 1923-1931.
[13] CHOW T T, FONG K F, CHAN A L S, et al. Potential application of a centralized solar water-heating system for a high-rise residential building in Hong Kong[J]. Applied Energy, 2006, 83(1): 42-54.
[14] 胡建辉,陈务军,赵兵,等. PV-ETFE气枕系统冬季性能试验研究[J]. 浙江大学学报(工学版), 2014, 48(10):1816-1821.(HU Jianhui, CHEN Wujun, ZHAO Bing, et al. Experimental studies on system performance of PV-ETFE cushion system in winter[J]. Journal of Zhejiang University(Engineering Science), 2014, 48(10):1816-1821.(in Chinese))
[15] 许贤,周南,罗尧治. 柔性薄膜太阳能电池与聚偏氟乙烯膜材复合后力电性能试验研究[J]. 建筑结构学报, 2011, 32(8):127-132.(XU Xian, ZHOU Nan, LUO Yaozhi. Test on mechanical and electrical behavior of composite of flexible thin-film solar cells and PVDF membrane [J]. Journal of Building Structures, 2011, 32(8):127-132.(in Chinese))