Interface stability between bare, Mn Co spinel coated AISI 441 stainless steel and a diopside-based glass-ceramic sealant

Sabato, Antonio Gianfranco; Chrysanthou, A.; Salvo, Milena; Cempura, Grzegorz; Smeacetto, Federico

doi:10.1016/j.ijhydene.2017.11.150

Cited by 20 publications

(7 citation statements)

References 39 publications

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“…The addition of ZnO decreases the electrical resistance, which enhanced a higher degree of corrosion in the steel/Crofer22 APU interconnect, which could lead to a short circuit. Hence, the MgO‐containing glass was considered to be a more useful candidate as a SOFC sealant due to its greater stability, in the dual atmosphere, lower level of corrosion at H 2 side, and lower conductivity in air 207 . Sabato et al 21 have reported the interaction study between the diopside‐based glass‐ceramics with AISI441 interconnect materials.…”

Section: Effect Of Different Glass Constituents On Sealing Propertiesmentioning

confidence: 99%

“…Hence, the MgO-containing glass was considered to be a more useful candidate as a SOFC sealant due to its greater stability, in the dual atmosphere, lower level of corrosion at H 2 side, and lower conductivity in air. 207 Sabato et al 21 have reported the interaction study between the diopsidebased glass-ceramics with AISI441 interconnect materials. They formed the hermitic sealant even after very long durations $3500 hours.…”

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confidence: 99%

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Review on silicate and borosilicate‐based glass sealants and their interaction with components of solid oxide fuel cell

Singh

Walia

2021

Intl J of Energy Research

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A lot of research is going on in the field of glass science to commercialize solid oxide fuel cells (SOFCs). Still, it is a big challenge to develop appropriate glass sealants for a longer duration and sustaining in the operating conditions of this power source. Mixed alkaline earth metal oxides containing silicate or borosilicate glasses could be most suitable as a rigid glass sealant in SOFCs in comparison with borate-and phosphate-based glass sealants. In this review article, the need for the sealants in the planar design of SOFCs, the effect of different modifiers, and intermediate oxides on sealing properties of glasses and glassceramics, particularly, silicate-and borosilicate-based glass sealants have been reviewed. Interaction study of glass sealants with common electrolytes and interconnect materials is also overviewed in this article. In addition to these, future perspectives and suggestions for suitable seal development are also proposed. Novelty statementThis review article is related to the glass sealants for a highly efficient and environment friendly solid oxide fuel cell energy conversion device. Still, it is a big challenge to develop an appropriate sealant to commercialize this energy device. This article provides the researchers with not only progress and latest development in the field of glass sealants but also suggestion and future prospects to develop the sealants.

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Section: Effect Of Different Glass Constituents On Sealing Propertiesmentioning

confidence: 99%

mentioning

confidence: 99%

Review on silicate and borosilicate‐based glass sealants and their interaction with components of solid oxide fuel cell

Singh

Walia

2021

Intl J of Energy Research

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“…The study and then the use of commercial FSSs as base material for IC in IT-SOFCs stacks is not a novelty, as it is represented by the case of FSSs AISI 441 and AISI 444 [37][38][39][40][41][42]. Since the manufacture of MIC represents about 45% of the overall stack production costs, the use of this group of FSSs can guarantee a reduction of those costs, even when further actions, e.g., the application of protective coatings, are needed [43].…”

Section: Introductionmentioning

confidence: 99%

On the High-Temperature Oxidation and Area Specific Resistance of New Commercial Ferritic Stainless Steels

Bongiorno

Spotorno

Paravidino

et al. 2021

Metals

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Two commercial ferritic stainless steels (FSSs), referred to as Steel A and Steel B, designed for specific high-temperature applications, were tested in static air for 2000 h at 750 °C to evaluate their potential as base materials for interconnects (ICs) in Intermediate Temperature Solid Oxide Fuel Cell stacks (IT-SOFCs). Their oxidation behavior was studied through weight gain and Area Specific Resistance (ASR) measurements. Additionally, the oxide scales developed on their surfaces were characterized by X-Ray Diffraction (XRD), Micro-Raman Spectroscopy (μ-RS), Scanning Electron Microscopy, and Energy Dispersive X-Ray Fluorescence Spectroscopy (SEM-EDS). The evolution of oxide composition, structure, and electrical conductivity in response to aging was determined. Comparing the results with those on AISI 441 FSS, steels A and B showed a comparable weight gain but higher ASR values that are required by the application. According to the authors, Steel A and B compositions need an adjustment (i.e., a plain substitution of the elements which form insulant oxides or a marginal modification in their content) to form a thermally grown oxide (TGO) with the acceptable ASR level.

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“…In our previous studies on alkali-containing diopside-based glass-ceramics sealants [20,22,44], it has been found that the strong heterogeneous nucleation of diopside, at the interface with the interconnect material may prevent detrimental reactions between the alkalis in the glassy phase and the Cr in the steel/oxide scale. However, to the authors best knowledge there are no papers focused on the testing of alkali-containing diopsidebased sealants under relevant conditions, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…300h. The glass-ceramic studied here was obtained by modifying a previous glass composition that had successfully survived periods longer than 1000h in a dual atmosphere or in air at 800°C, without the application of electrical voltage [22,44]. The changes in the compositions were tailored in order to increase the content of diopside in the glass-ceramic, which in turn led to a CTE value more suitable for its thermomechanical compatibility with Crofer22APU.…”

Section: Introductionmentioning

confidence: 99%

Effect of electric load and dual atmosphere on the properties of an alkali containing diopside-based glass sealant for solid oxide cells

Sabato

Rost

Schilm

et al. 2019

Journal of Power Sources

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Interface stability between bare, Mn Co spinel coated AISI 441 stainless steel and a diopside-based glass-ceramic sealant

Abstract: Interface stability between bare, Mn-Co spinel coated AISA 441 stainless steel and a diopside-based glassceramic sealant',

Cited by 20 publications

References 39 publications

Review on silicate and borosilicate‐based glass sealants and their interaction with components of solid oxide fuel cell

Review on silicate and borosilicate‐based glass sealants and their interaction with components of solid oxide fuel cell

On the High-Temperature Oxidation and Area Specific Resistance of New Commercial Ferritic Stainless Steels

Effect of electric load and dual atmosphere on the properties of an alkali containing diopside-based glass sealant for solid oxide cells

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