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首页> 外文会议>IEEE Photovoltaic Specialists Conference >Failure mechanisms limiting the lifetime of thin film photovoltaic semi fabricates with alternative moisture barrier foils
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Failure mechanisms limiting the lifetime of thin film photovoltaic semi fabricates with alternative moisture barrier foils

机译：失效机制限制了带有替代防潮箔的薄膜光伏半成品的寿命

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Semi fabricates based on Cu(In,Ga)Se2 solar cells with flexible metallic substrate packaged in innovative moisture barriers that demonstrated failure after damp heat exposure were analyzed using thermographic imaging, luminescence imaging and optical microscopy. This made it possible to visualize and identify the failure modes and find explanations for the causes of failure. The most important causes of failure were concluded to be 1) the relaxation of stresses induced during lamination, 2) moisture ingress from the sides of the samples and 3) moisture ingress at positions where the barrier had been damaged due to the topology of the sample.
机译：基于Cu（In，Ga）Se的半成品 2 使用热成像成像，发光成像和光学显微镜分析了在创新的防潮层中封装了具有柔性金属基板的太阳能电池，这些湿气阻隔在湿热暴露后表现出故障。这使得可视化和识别故障模式并找到故障原因的解释成为可能。导致失效的最重要原因是：1）层压过程中引起的应力松弛; 2）水分从样品的侧面进入; 3）水分在由于样品的拓扑结构而损坏了屏障的位置。

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