Critical Issues of Metal-Supported Fuel Cell

Larring, Yngve; Fontaine, Marie‐Laure

doi:10.1007/978-1-4471-4456-4_4

Cited by 19 publications

(10 citation statements)

References 42 publications

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“…This review will focus specifically on metal-supported solid oxide electrolysis cells and the subset metalsupported proton conducting electrolysis cells (MS-PCEC), collectively referred to in this article as MS-SOEC, and sometimes referred to as MSC in other publications. The fabrication, materials, and structure of MS-SOECs are analogous to metal-supported solid oxide fuel cells (MS-SOFC), which have achieved a high level of commercial demonstration by companies including Ceres Power and Topsoe Fuel Cells, and for which several reviews are available [13][14][15][16]. The fundamental concept of the MS-SOC is to support thin ceramic electrode/electrolyte layers on low-cost, robust stainless steel metal layers, Fig 1 [17].…”

Section: The Opportunity For High-temperature Metal-supported Electromentioning

confidence: 99%

“…The electrolyte is either deposited on a pre-sintered support by plasma spray, pulsed laser deposition (PLD), or physical vapor deposition (PVD), or it is applied to the green support by tape casting or slurry coating and then co-sintered. These approaches have been compared in detail previously in the context of MS-SOFC development [14][15][16]. In all cases, Ni is a primary constituent of the cathode.…”

Section: Oxide-conducting Ms-soecsmentioning

confidence: 99%

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Progress in metal-supported solid oxide electrolysis cells: A review

Tucker

2020

International Journal of Hydrogen Energy

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There is increasing global interest in using solid oxide electrochemical cells to perform electrolysis. Metalsupported solid oxide electrolysis cells (MS-SOEC) are being developed with stainless steel and Ni-based supports. The use of porous metal to support the electrochemically-active layers is anticipated to improve mechanical strength, decrease cost, and increase tolerance to aggressive operating conditions, including rapid thermal excursions. This review summarizes and analyzes the previous decade of progress in MS-SOEC development, and identifies critical needs for future work.

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Section: The Opportunity For High-temperature Metal-supported Electromentioning

confidence: 99%

Section: Oxide-conducting Ms-soecsmentioning

confidence: 99%

Progress in metal-supported solid oxide electrolysis cells: A review

Tucker

2020

International Journal of Hydrogen Energy

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“…Metal-supported solid oxide fuel cells (MS-SOFCs) and electrolysis cells (MS-SOECs) are being developed as an alternative to conventional SOFCs (electrolyte (ESC), anode (ASC), or cathode (CSC) supported cells) as the MS-SOFCs with porous stainless steel supports offer advantages including tolerance to very rapid start-up and large thermal gradients, low materials cost of the support, mechanical ruggedness, tolerance to deep redox cycling of the anode, and the possibility of metal-to-metal seals and electrical contacts produced by brazing or welding [1][2][3][4]. Introducing stainless steel to the SOFC cell materials set, however, imposes limitations to the cell and stack fabrication processes as well as operating conditions.…”

Section: Introductionmentioning

confidence: 99%

Oxidation of porous stainless steel supports for metal-supported solid oxide fuel cells

Reisert

Berova

Aphale

et al. 2020

International Journal of Hydrogen Energy

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Oxidation behavior of porous P434L ferritic stainless steel, used for the fabrication of metalsupported solid oxide fuel cells (MS-SOFC), is studied under anodic and cathodic atmospheres. Temperature-and atmosphere-dependence is determined for as-sintered and pre-oxidized stainless steel. Pre-oxidation reduced the long-term oxidation rate. For pre-oxidized samples, the oxidation rate in air exceeds that in humid hydrogen for temperatures above 700°C. The influence of PrOx, LSCF-SDC, and Ni-SDC coatings is also examined. The coatings do not dramatically impact oxide scale growth. Oxidation in C-free and C-containing anodic atmospheres is similar. Addition of CO2, CH4, and CO to humidified hydrogen to simulate ethanol reformate does not significantly impact oxidation behavior. Cr transpiration in humid air is greatly reduced by the PrOx coating, and a PrCrO3 reaction product is observed throughout the porous structure. A dense and protective chromia-based scale forms on steel samples during oxidation in all conditions. A thin silica enriched oxide layer also forms at the metal-scale interface. In general, the oxidation behavior at 700°C is found to be acceptable.

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“…The use of diffusion barrier layer between STS and anode is suggested and tested [13,14] to prevent the reaction. Metal-supported SOFCs often use thick (t > 1 mm) STSs for the supporting metal [15]. This type of cell is very rigid and massive, which limits its usage in portable devices.…”

Section: Introductionmentioning

confidence: 99%