A Screening Protocol to Assess the Stability of Inks used to Mask Metallic Interconnects in BIPV Modules

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dc.contributor.authorBorja Block, Alejandro
dc.contributor.authorEscarre Palou, Jordi
dc.contributor.authorFaes, Antonin
dc.contributor.authorVirtuani, Alessandro
dc.contributor.authorBallif, Christophe
dc.date.accessioned2024-08-16T09:05:52Z
dc.date.available2024-08-16T09:05:52Z
dc.date.issued2022-09-01
dc.description.abstractAesthetics plays a major role in the development of BIPV products. Several BIPV module manufacturers attempt to mask the reflective metallic interconnects to obtain uniformly colored modules. This is achieved using expensive manufacturing steps, such as colored stripes with manual positioning. Inks could be an alternative to perform this process automatically. However, inks used in BIPV products must be extremely stable and do not alter their visual appearance over time. In this work, we propose a screening protocol to assess the long-term stability of seven commercial black colored inks used to mask ribbons. We apply it to coupons mimicking the structure of conventional glass/glass (G/G) and glass/backsheet (G/Bs) structures encapsulated with EVA and POE, and to one-cell modules with ink-coated ribbons with the help of an in-house developed ribbon coating equipment. The protocol includes three different test sequences. Sequence A involves 250 h of DH (85°C, 85%RH) followed by to 60 kWh/m2 of UV light exposure, sequence B the UV test only, and sequence C adhesion tests. The results show no degradation after the DH test and yellowing with unstable inks after the UV exposure. The electrical performance of modules coated with UV unstable inks, is only slightly affected (~-1%).
dc.identifier.citationWCPEC-8, 3DV.3.15, p. 902 - 906
dc.identifier.doi10.4229/WCPEC-82022-3DV.3.15
dc.identifier.isbn3-936338-86-8
dc.identifier.urihttps://hdl.handle.net/20.500.12839/1470
dc.language.isoen
dc.titleA Screening Protocol to Assess the Stability of Inks used to Mask Metallic Interconnects in BIPV Modules
dc.typeProceedings
dc.type.csemdivisionsBU-V
dc.type.csemresearchareasSolar Cells and Module
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