Flexible Encapsulation with Backsheets and Frontsheets for PV Applications

Krumlacher, W.; Muckenhuber, H.; Nigg, A.; Url, E.; Plessing, A.K.; Schinagl, C.

doi:10.4229/27theupvsec2012-4co.9.2

Cited by 1 publication

(1 citation statement)

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“…The first co-extruded backsheet on the market was introduced in 2009/2010 [9,132] and was based on a symmetrical structure consisting of three layers of PA but with different filler material in the outer/inner and the core layer. The outer/inner layer was filled with TiO 2 particles to increase the reflectivity, whereas the core layer contained PP and about 20% of glass spheres for increased mechanical strength [9].…”

Section: Market Entrance and Reliability Of Co-extruded Backsheetsmentioning

confidence: 99%

Motivation, benefits, and challenges for new photovoltaic material & module developments

Stein

Eder²,

Berger

et al. 2022

Prog. Energy

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In the last decade and longer, photovoltaic module manufacturers have experienced a rapidly growing market along with a dramatic decrease in module prices. Such cost pressures have resulted in a drive to develop and implement new module designs, which either increase performance and/or lifetime of the modules or decrease the cost to produce them. In this paper, the main motivations and benefits but also challenges for material innovations will be discussed. Many of these innovations include the use of new and novel materials in place of more conventional materials or designs. As a result, modules are being produced and sold without a long-term understanding about the performance and reliability of these new materials. This has lead to unexpected new failure mechanisms occuring few years after deployment, such as Potential Induced Degradation or backsheet cracking. None of these failure modes have been detected after the back then common single stress tests. New accelerated test approaches are based on a combination or sequence of multiple stressors that better reflect outdoor conditions. That allows for identification of new degradation modes linked to new module materials or module designs.

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Section: Market Entrance and Reliability Of Co-extruded Backsheetsmentioning

confidence: 99%