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Assessment of protective coatings on flexible CIGS modules for satellites

Banik, Udayan and Reininghaus, Nies and Seefeldt, Patric and Sznajder, Maciej and Gehrke, Kai and Vehse, Martin and Spietz, Peter and Spröwitz, Tom and Agert, Carsten (2019) Assessment of protective coatings on flexible CIGS modules for satellites. In: 2019 European Space Power Conference, ESPC 2019, pp. 1-5. IEEE. 2019 European Space Power Conference (ESPC), 30 Sept.-4 Oct. 2019, Juan-les-Pins, France. doi: 10.1109/ESPC.2019.8932031. ISBN 978-1-7281-2126-0.

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Official URL: https://ieeexplore.ieee.org/document/8932031

Abstract

Flexible CIGS solar cells are a promising alternative for space applications where payloads are restricted by weight. They suffer from high reflection in the infrared spectrum and if un-encapsulated, are prone to mechanical damage and performance losses. We present in this paper a flexible thin single layer protection coating which enhances the emissivity of CIGS from 0.3 to 0.7 but is transparent enough to have no detrimental effect on electrical performance as was measured under AM0 illumination. The coated CIGS samples passed the thermal vacuum outgassing test and the coating process can be easily scaled up for larger modules. Large coated CIGS modules showed no performance degradation and mechanical cracks after they underwent vibration test. By replacing cover glasses on solar modules, the coating can significantly reduce specific weight of solar modules and the associated payload costs.

Item URL in elib:https://elib.dlr.de/138059/
Document Type:Conference or Workshop Item (Other)
Title:Assessment of protective coatings on flexible CIGS modules for satellites
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Banik, UdayanUNSPECIFIEDhttps://orcid.org/0000-0003-2605-2215UNSPECIFIED
Reininghaus, NiesUNSPECIFIEDhttps://orcid.org/0000-0002-9509-274XUNSPECIFIED
Seefeldt, PatricUNSPECIFIEDhttps://orcid.org/0000-0002-2067-9458UNSPECIFIED
Sznajder, MaciejUNSPECIFIEDhttps://orcid.org/0000-0002-9917-0581UNSPECIFIED
Gehrke, KaiUNSPECIFIEDhttps://orcid.org/0000-0002-0591-8289UNSPECIFIED
Vehse, MartinUNSPECIFIEDhttps://orcid.org/0000-0003-0578-6121UNSPECIFIED
Spietz, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Spröwitz, TomUNSPECIFIEDhttps://orcid.org/0000-0001-5369-6919UNSPECIFIED
Agert, CarstenUNSPECIFIEDhttps://orcid.org/0000-0003-4733-5257UNSPECIFIED
Date:December 2019
Journal or Publication Title:2019 European Space Power Conference, ESPC 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.1109/ESPC.2019.8932031
Page Range:pp. 1-5
Publisher:IEEE
ISBN:978-1-7281-2126-0
Status:Published
Keywords:Polysilazane coating, Durazane 1800, Emissivity, radiative cooling, Outgassing test, AM0 IV performance, space qualification test
Event Title:2019 European Space Power Conference (ESPC)
Event Location:Juan-les-Pins, France
Event Type:international Conference
Event Dates:30 Sept.-4 Oct. 2019
HGF - Research field:Energy
HGF - Program:Technology, Innovation and Society
HGF - Program Themes:Renewable Energy and Material Resources for Sustainable Futures - Integrating at Different Scales
DLR - Research area:Energy
DLR - Program:E SY - Energy Systems Analysis
DLR - Research theme (Project):E - Energy Systems Technology (old)
Location: Bremen , Oldenburg
Institutes and Institutions:Institute of Networked Energy Systems > Urban and Residential Technologies
Institute of Space Systems > Mechanic and Thermal Systems
Deposited By: Banik, Udayan
Deposited On:03 Dec 2020 11:57
Last Modified:03 Dec 2020 11:57

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