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首页> 外文会议>European photovoltaic solar energy conference >FLEXIBLE POLYMER BARRIER FILMS FOR THE ENCAPSULATION OF SOLAR CELLS
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FLEXIBLE POLYMER BARRIER FILMS FOR THE ENCAPSULATION OF SOLAR CELLS

机译：用于封装太阳能电池的柔性聚合物阻挡膜

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摘要

The aim of the work is the development and demonstration of new encapsulation materials and processes for rigid and flexible thin film solar cells. The new encapsulants are based on polymer film material and include all encapsulating functions in one composite. The focus of this paper is on the barrier properties of the encapsulation system, together with the description of the basic principles of the permeation of gas molecules through inorganic and organic layers. Investigations on the solar cells have shown, that oxygen has only little influence on the functionality of the solar cells, but impact of water vapour leads to a decline in the solar cell functionality. To protect the solar cell from the water vapour in the atmosphere, an encapsulation system with very high barrier properties is necessary. Currently available polymer films do not meet these high requirements; an additional system of barrier layers on the polymer film is necessary. With the optimized barrier layer sequence it is possible to reach water vapour transmission rates of 0,01 g/m2d. Permeabilities below that are required to render long durability of the encapsulated solar cells.
机译：该工作的目的是开发和演示新的封装材料和刚性和柔性薄膜太阳能电池的方法。新的密封剂基于聚合物膜材料，并包括在一个复合材料中的所有封装功能。本文的重点是封装系统的阻隔性能，以及通过无机和有机层的气体分子渗透的基本原理的描述。已经表明了对太阳能电池的研究，氧对太阳能电池的功能几乎没有影响，而是水蒸气的影响导致太阳能电池功能的下降。为了保护太阳能电池从大气中的水蒸气中，需要具有非常高的阻挡性能的封装系统。目前可用的聚合物薄膜不符合这些高要求;需要在聚合物膜上进行另外的屏障层系统。利用优化的阻挡层序列，可以达到0.01g / m2d的水蒸气传动速率。低于封装太阳能电池的耐久性所需的渗透率。

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