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Effect of dip coating parameters on microstructure and thickness of 8YSZ electrolyte coated on NiO-YSZ by sol-gel process for SOFCs applications.

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Title: Effect of dip coating parameters on microstructure and thickness of 8YSZ electrolyte coated on NiO-YSZ by sol-gel process for SOFCs applications.
Authors: Niazmand, Morteza1 (AUTHOR) m.niazmand@merc.ac.ir, Maghsoudipour, Amir1 (AUTHOR), Alizadeh, Masoud1 (AUTHOR), Khakpour, Zahra1 (AUTHOR), Kariminejad, Arash2 (AUTHOR)
Source: Ceramics International. Jun2022, Vol. 48 Issue 11, p16091-16098. 8p.
Subjects: Sol-gel processes, Solid oxide fuel cells, Yttria stabilized zirconium oxide, Field emission electron microscopy, Coating processes, Infrared radiation, Surface coatings
Abstract: 8 mol % Yttria stabilized zirconia (8YSZ) coatings are widely used as electrolytes in solid oxide fuel cells (SOFCs). In this study, sol-gel process was used in order to in-situ synthesis of 8YSZ electrolyte layer on NiO-8YSZ substrate applying dip coating method. Solid content, viscosity and withdrawal speed were investigated as effective parameters that affect quality and thickness of coatings. Fourier transform infrared radiation (FTIR), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) analyses were used to evaluate the microstructure of 8YSZ film. A dense and uniform coating was obtained with increasing solid content. Reduced viscosity also yielded a better uniformity and formed crack free coatings. Thickness of coatings was controlled by withdrawal speed. Results reveal that a dense and uniform coating was obtained with molar ratio of 1 − Propanol Zr = 10 using sol only 5min after preparation. Minimum thickness was measured 10 μm at withdrawal speed of 1 cm/min. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Effect of dip coating parameters on microstructure and thickness of 8YSZ electrolyte coated on NiO-YSZ by sol-gel process for SOFCs applications.
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  Data: <searchLink fieldCode="AR" term="%22Niazmand%2C+Morteza%22">Niazmand, Morteza</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> m.niazmand@merc.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Maghsoudipour%2C+Amir%22">Maghsoudipour, Amir</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alizadeh%2C+Masoud%22">Alizadeh, Masoud</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Khakpour%2C+Zahra%22">Khakpour, Zahra</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kariminejad%2C+Arash%22">Kariminejad, Arash</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Jun2022, Vol. 48 Issue 11, p16091-16098. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Sol-gel+processes%22">Sol-gel processes</searchLink><br /><searchLink fieldCode="DE" term="%22Solid+oxide+fuel+cells%22">Solid oxide fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Yttria+stabilized+zirconium+oxide%22">Yttria stabilized zirconium oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Field+emission+electron+microscopy%22">Field emission electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Coating+processes%22">Coating processes</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+radiation%22">Infrared radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 8 mol % Yttria stabilized zirconia (8YSZ) coatings are widely used as electrolytes in solid oxide fuel cells (SOFCs). In this study, sol-gel process was used in order to in-situ synthesis of 8YSZ electrolyte layer on NiO-8YSZ substrate applying dip coating method. Solid content, viscosity and withdrawal speed were investigated as effective parameters that affect quality and thickness of coatings. Fourier transform infrared radiation (FTIR), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) analyses were used to evaluate the microstructure of 8YSZ film. A dense and uniform coating was obtained with increasing solid content. Reduced viscosity also yielded a better uniformity and formed crack free coatings. Thickness of coatings was controlled by withdrawal speed. Results reveal that a dense and uniform coating was obtained with molar ratio of 1 − Propanol Zr = 10 using sol only 5min after preparation. Minimum thickness was measured 10 μm at withdrawal speed of 1 cm/min. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ceramint.2022.02.155
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      – Code: eng
        Text: English
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        PageCount: 8
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      – SubjectFull: Sol-gel processes
        Type: general
      – SubjectFull: Solid oxide fuel cells
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      – SubjectFull: Yttria stabilized zirconium oxide
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      – SubjectFull: Field emission electron microscopy
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      – SubjectFull: Coating processes
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      – SubjectFull: Infrared radiation
        Type: general
      – SubjectFull: Surface coatings
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      – TitleFull: Effect of dip coating parameters on microstructure and thickness of 8YSZ electrolyte coated on NiO-YSZ by sol-gel process for SOFCs applications.
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            NameFull: Niazmand, Morteza
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            NameFull: Maghsoudipour, Amir
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              M: 06
              Text: Jun2022
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              Y: 2022
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