分别研究了在湿热老化、加速湿热老化、紫外辐照老化模式下,背板力学性能和PET层结晶度的变化,归纳了背板失效与其PET层结晶度的关系,并对几种老化模式进行了比较.结果表明,湿热老化和加速湿热老化时,PET层趋于结晶,为了保证背板不失效,结晶度应该控制在38%以下;紫外辐照老化时,分子结构破坏为主导,通过比较力学性能发现,紫外辐照老化对光伏背板PET的影响较大.
参考文献
| [1] | Willian J Gambogi .The Role of Backsheet in Photovoltaic Module Performance and Reliability[R].Shang Hai:Atlas/UL PV Durability Conference,2010. |
| [2] | C. R. Osterwald;T. J. McMahon .History of Accelerated and Qualification Testing of Terrestrial Photovoltaic Modules: A Literature Review[J].Progress in photovoltaics,2009(1):11-33. |
| [3] | IEC 61215:Crystalline silicon terrestrial photovoltaic (PV) modules-Design qualification and type approval (2005,2nd edition)[S]. |
| [4] | IEC 61730:Photovohaic (PV) module safety qualification-Part 1:Requirements for construction,Part 2:Requirements for testing (2004,1st edition)[S]. |
| [5] | IEC 61646:Thin-film terrestrial photovoltaic modules-design qualification and type approval (2007,2nd edition)[S]. |
| [6] | G. Oreski;G.M. Wallner .Aging mechanisms of polymeric films for PV encapsulation[J].Solar Energy,2005(6):612-617. |
| [7] | 何曼君;陈维孝;董西侠.高分子物理[M].上海:复旦大学出版社,2000:148-195. |
| [8] | Atkinson JR.;Hay JN.;Biddlestone F. .An investigation of glass formation and physical ageing in poly(ethylene terephthalate) by FT-IR spectroscopy[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(18):6965-6968. |
| [9] | Zhiyong Xia;John H Wohlgemuth;Danial W cunningham.A lifetime prediction of PV encapsulant and backsheet via time temperature superposition principle[J].IEEE,2009:523-526. |
| [10] | Hanz Zweifel.Plastics Additives Handbook[M].Switzerland:Carl Hanser Verlag Press,2001:97-276. |
| [11] | Chris Sammon;Jack Yarwood;Neil Everall .An FT-IR study of the effect of hydrolytic degradation on the structure of thin PET films[J].Polymer Degradation and Stability,2000(1):149-158. |
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