Thin Film Solid Oxide Fuel Cell (SOFC) for
                                                Intermediate Temperature Operation (700°C)

Honegger, K.

doi:10.1149/199740.0321pv

Cited by 4 publications

(2 citation statements)

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“…In the past, various methods have been reported concerning the development of thin-film processes for SOFC applications such as electrochemical vapor deposition, 2 plasma spraying, 3 physical vapor deposition, 4 pyrolysis, 5 and electrophoretic deposition. 6 Although some of these physical and chemical methods produce dense layers, they are costly and are mostly not suitable for mass production.…”

Section: Introductionmentioning

confidence: 99%

Electrophoretic Deposition of Zirconia on Porous Anodic Substrates

Will

Hruschka

Gubler

et al. 2001

Journal of the American Ceramic Society

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The aim of the present work is the preparation of thin (<20 m) zirconia layers on porous substrates with the electrophoretic deposition process. The preparation was completed with a cosintering step of substrate and layer. Through adjustment of shrinkage and the shrinkage rate of the deposited zirconia layer on the presintered porous substrate, thin, dense layers without cracks were prepared. A method for direct control of the layer thickness during the electrophoretic deposition process was developed. The solid oxide fuel cell application with porous anode substrates and thin zirconia electrolytes was chosen to demonstrate the potential of the electrophoretic deposition process.

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Section: Introductionmentioning

confidence: 99%

Electrophoretic Deposition of Zirconia on Porous Anodic Substrates

Will

Hruschka

Gubler

et al. 2001

Journal of the American Ceramic Society

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“…Various deposition methods have been used in the fabrication of electrolytes for intermediate temperature SOFC or thermal barrier coatings (TBC) such as electrochemical vapor deposition (EVD) [1], physical vapor deposition (PVD) [2], vacuum plasma spraying [3], tape calendaring [4], screen-printing [5] and spray pyrolisis [6]. However, these technologies require costly investment and complicated operation and do not allow a control of the coatings microstructure.…”

Section: Introductionmentioning

confidence: 99%

Advances in YSZ Coatings Prepared by Sol-Gel Route. Applications to Fuel Cells or Thermal Barrier Coatings

Ansart

Bonino

Lenormand

et al. 2006

KEM

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The objective of this research is to develop a novel process for SOFC electrolytes and fully ceramic TBC to prepare yttria stabilized zirconia (YSZ) by both a sol-gel derived route and a dip-coating method. The research focuses on the development of a process compatible with industrial requirements in terms of cost and easiness to processing. The microstructure of dipcoated thick films is studied by varying the characteristics of an organic YSZ suspension (concentration, rheology) used as coating bath. The suspension was obtained by addition of a polymeric matrix in a stable suspension of YSZ powders dispersed in an azeotropic MEK-EtOH mixture. The obtained films are continuous, homogeneous and films thicknesses vary between 1 to 100 µm. Different microstructures are obtained depending on the synthesis parameters of the slurry composition. The microstructure of the films is found to depend on the YSZ precursor powders content and the polymeric sol /dispersant solution (EtOH-MEK) ratio. Finally, the dip-coated suspensions are used to prepare dense or porous layers according to the applications. The coating microstructure is engineered to decrease sintering ability, to be gas-tight for fuel cells electrolytes or to enhance thermal shock resistance for Thermal Barrier applications.

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Recent Results of Stack Development at Forschungszentrum Jülich

Steinberger‐Wilckens

Haart

Vinke

et al.

NATO Science Series

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Since the mid-nineties several generations of SOFC stacks have been designed and tested incorporating the anode substrate-type cells developed in Jülich. The 6 th generation, the so-called F-design stacks, with metallic interconnect has been the 'work horse' used for testing materials, cells and manufacturing processes in cell and stack development since its introduction in the year 2001. Stacks with up to 60 layers have been operated in recent years, delivering up to 13 kW of electric power. The ferritic parts are made of the commercial steel type CroFer22APU. This paper summarises the current developments at FZJ and presents some recent results obtained with new materials.

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Thin Film Solid Oxide Fuel Cell (SOFC) for Intermediate Temperature Operation (700°C)

Cited by 4 publications

References 0 publications

Electrophoretic Deposition of Zirconia on Porous Anodic Substrates

Electrophoretic Deposition of Zirconia on Porous Anodic Substrates

Advances in YSZ Coatings Prepared by Sol-Gel Route. Applications to Fuel Cells or Thermal Barrier Coatings

Recent Results of Stack Development at Forschungszentrum Jülich

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