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  • 1.
    Carlsson, B
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Möller, K et al
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Qualification test procedure for solar absorber surface durability1999Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, nr 3, s. 255-275Artikel i tidskrift (Övrigt vetenskapligt)
  • 2. Carlsson, Bo
    et al.
    Möller, Kenneth
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Comparison between predicted and actually observed in-service degradation of a nickel pigmented anodized aluminium absorber coating for solar DHW systems2000Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, nr 3, s. 223-238Artikel i tidskrift (Övrigt vetenskapligt)
  • 3.
    Carlsson, Bo
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut.
    Möller, Kenneth
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Round robin on accelerated life testing of solar absorber durability1999Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, nr 3, s. 239-253Artikel i tidskrift (Övrigt vetenskapligt)
  • 4.
    Möller, Kenneth
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Carlsson, Bo
    Comparison between predicted and actually observed in-service degradation of a nickel pigmented anodized aluminium absorber coating for solar DHW systems2000Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, s. 223-238Artikel i tidskrift (Övrigt vetenskapligt)
  • 5.
    Möller, Kenneth
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Carlsson, Bo
    Qualification test procedure for solar absorber surface durability2000Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, s. 255-275Artikel i tidskrift (Övrigt vetenskapligt)
  • 6.
    Möller, Kenneth
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Carlsson, Bo
    RISE., SP – Sveriges Tekniska Forskningsinstitut.
    Qualification test procedure for solar absorber surface durability2000Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, nr 3, s. 255-275Artikel i tidskrift (Övrigt vetenskapligt)
  • 7.
    Möller, Kenneth
    et al.
    RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Carlsson, Bo
    RISE., SP – Sveriges Tekniska Forskningsinstitut.
    Round robin on accelerated life testing of solar absorber durability2000Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 61, nr 3, s. 239-253Artikel i tidskrift (Övrigt vetenskapligt)
  • 8.
    Zäll, Erik
    et al.
    Absolicon Solar Collector, Sweden; Umeå University, Sweden.
    Järn, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Karlsson, Stefan
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Tryggeson, Henrik
    RISE Research Institutes of Sweden, Samhällsbyggnad, Bygg och fastighet.
    Tuominen, Mikko
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Sundin, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Wågberg, Thomas
    Umeå University, Sweden.
    Aerosol-based deposition of broadband antireflective silica coating with closed mesoporous structure2023Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 250, s. 112078-112078, artikel-id 112078Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Solar energy will be a crucial part of the sustainable, fossil free energy production of the future. A majority of this will be produced by solar collectors and photovoltaics. Important for the efficient utilization of the incident solar energy for both technologies are a cover glass with antireflective coatings giving it a high solar transmittance. In the current paper we describe the development of antireflective mesoporous silica coatings on low-iron float glass using the aerosol-based nFOG™ deposition technique. The coatings exhibit a hexagonal and closed pore structure, high smoothness, superhydrophilic properties (contact angle <5°) and consistent thicknesses of approximately 110 nm. This is in line with optimal thickness determined from simulations of the antireflective behavior. Low-iron float glass coated on both sides show a highly reproducible solar weighted transmittance of 95% in the wavelength range 300–2500 nm and an antireflective effect increasing with incident angle. The smoothness, closed pores and low contact angle indicate a high cleanability, which in combination with the high transmittance render a competitive broadband antireflective coating well adapted for solar glass applications.

    Ladda ner fulltext (pdf)
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  • 9.
    Zäll, Erik
    et al.
    Absolicon Solar Collector. Sweden; Umeå University, Sweden.
    Järn, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Karlsson, Stefan
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Tryggeson, Henrik
    RISE Research Institutes of Sweden, Samhällsbyggnad, Bygg och fastighet.
    Tuominen, Mikko
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Sundin, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Wågberg, Thomas
    Umeå University, Sweden.
    Aerosol-based deposition of broadband antireflective silica coating withclosed mesoporous structure2023Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 250, s. 112078-, artikel-id 112078Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Solar energy will be a crucial part of the sustainable, fossil free energy production of the future. Amajority of this will be produced by solar collectors and photovoltaics. Important for the efficientutilization of the incident solar energy for both technologies are a cover glass with antireflectivecoatings giving it a high solar transmittance. In the current paper we describe the development ofantireflective mesoporous silica coatings on low-iron float glass using the aerosol-based nFOGTMdeposition technique. The coatings exhibit a hexagonal and closed pore structure, a high smoothness,and consistent thicknesses of approximately 110 nm. This is in line with optimal thicknessesdetermined from simulations of the antireflective behavior. Low-iron float glass coated on both sidesshow a highly reproducible solar weighted transmittance of 95 % in the wavelength range 300-2500nm and an antireflective effect increasing with incident angle. The smoothness and closed poresassociated with high cleanability, as well as high transmittance makes it a competitive broadbandantireflective coating well adapted for solar glass applications.

    Ladda ner fulltext (pdf)
    fulltext
  • 10.
    Zäll, Erik
    et al.
    Absolicon Solar Collector AB, Sweden; Umeå University, Sweden.
    Karlsson, Stefan
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Järn, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Segervald, Jonas
    Umeå University, Sweden.
    Lundberg, Petter
    Umeå University, Sweden.
    Wågberg, Thomas
    Umeå University, Sweden; SLU Swedish University of Agricultural Sciences, Sweden.
    Durability of antireflective SiO2 coatings with closed pore structure2023Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 261, artikel-id 112521Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The use of antireflective coatings to increase the transmittance of the cover glass is a central aspect of achieving high efficiencies for solar collectors and photovoltaics alike. Considering an expected lifetime of 20–30 years for solar energy installations, the durability of the antireflective surfaces is essential. Here, a novel antireflective SiO2 coating with a hexagonally ordered closed pore structure, produced with an aerosol-based sol-gel method is benchmarked against two commercial coatings; produced with acid etching and sol-gel roll coating. The optical and mechanical properties together with contact angle characteristics were evaluated before and after various durability tests, including climate chamber tests, outdoor exposure, and abrasion. Compared to the commercial antireflective coatings with open pore structures, the novel coating performed in parity, or better, in all tests. Based on the results of humidity freeze and industrial climate chamber tests, it appears that the coating with closed pore structure has a better ability to prevent water adsorption. Additionally, the closed pore structure of the coating seems to minimize the accumulation of dirt and deposits. The abrasion and cleanability test further confirm the advantages of a closed pore structure, showcasing the coating's mechanical durability. While the coatings exhibit similar hardness and reduced elastic modulus, the closed pore coating proves to be even harder after undergoing the industrial climate chamber test, but also slightly more brittle, as indicated by the probability of crack initiation. In summary the closed pore structure is well suited for tempered and arid climates, making it a truly competitive alternative to existing antireflective coatings.

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    Ladda ner fulltext (pdf)
    Supporting information
  • 11.
    Zäll, Erik
    et al.
    Umeå University, Sweden; Absolicon Solar Collector AB, Sweden.
    Nordenström, Andreas
    Umeå University, Sweden.
    Järn, Mikael
    RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.
    Mossegård, Jonatan
    Absolicon Solar Collector AB, Sweden.
    Wågberg, Thomas
    Umeå University, Sweden.
    Environmentally sustainable electroplating of selective cobalt-chromium coating on stainless steel for efficient solar collectors2022Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 245, artikel-id 111821Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Half of today's global energy consumption is in the form of heating and cooling. Solar collectors are the most promising sustainable alternative to fossil fuels in this sector. The most important component in a solar collector is the receiver, which by use of a selective surface absorbs and converts solar irradiance to thermal energy. Herein, a novel selective surface for low-to mid-temperature solar collectors is developed, studied and presented. The surface is produced by electroplating a cobalt-chromium coating on a stainless steel substrate using an electrolyte based on a deep eutectic solvent. Our method makes use of trivalent instead of traditionally used hexavalent chromium, which significantly reduces health-related issues and makes it more environmentally benign. We obtain a coating of chromium doped cobalt where the surface exhibits an absorptance and emittance of 0.96 and 0.14, respectively, giving it a solar-to-thermal efficiency of 0.95. An observed loss in optical efficiency, is shown to correlate to an oxidation of the metallic cobalt to Co3O4 at elevated temperatures. We further show that this oxidation can be mitigated by dip-coating a protective silica top coating, which concurrently improves the optical selectivity of the surface. The present selective surface is efficient, cheap, scalable, and easy to produce sustainably, making it competitive to industry standards. We foresee that our method will have impact on the advancement of improved low-to mid-temperature solar collectors, assisting a faster transition towards a sustainable society.

1 - 11 av 11
RefereraExporteraLänk till träfflistan
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  • en-US
  • fi-FI
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  • html
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