Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C

Vinothini Venkatachalam; Sebastian Molin; Ming Chen; I.  Smirnov; P.-O.  Larsson; Peter Vang Hendriksen; Nikolaos Bonanos

Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C

Vinothini Venkatachalam, Sebastian Molin, Ming Chen, I. Smirnov, P.-O. Larsson, Peter Vang Hendriksen, Nikolaos Bonanos

Department of Energy Conversion and Storage

Höganäs AB

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

Metal supported protonic fuel cells (PCFC) offer one major advantage over standard solid oxide fuel cells (SOFC) with oxygen conducting electrolytes, namely that the product, water, is produced on the cathode (air) side. This feature simplifies the engineering of the stack, boosts efficiency, and is particularly helpful for a porous metal supported cell because it limits the corrosion of the metal by exposure to water vapor in the anode gas.
In this work, we show the effect of composition and microstructure on the high temperature corrosion and phase stability (formation of sigma phase/Laves phase) of porous alloys. Alloys in the compositional range Fe-20%Cr to Fe-32%Cr were evaluated and the effects of surface modification on corrosion resistance were studied using thermogravimetry, x-ray diffractometry and electron microscopy. The results show that surface modified porous ferritic steels are very promising materials for cost effective protonic fuel cells operating at 600°C.

Original language	English
Title of host publication	Proceedings of the Materials Science and Technology 2014 Conference
Number of pages	9
Publisher	ASM International
Publication date	2014
Pages	1231-1239
ISBN (Electronic)	978-0-87339-763-6
Publication status	Published - 2014
Event	Materials Science and Technology 2014 Conference - David L. Lawrence Convention Center, Pittsburgh, PA, United States Duration: 12 Oct 2014 → 16 Oct 2014

Conference

Conference	Materials Science and Technology 2014 Conference
Location	David L. Lawrence Convention Center
Country/Territory	United States
City	Pittsburgh, PA
Period	12/10/2014 → 16/10/2014

Keywords

SOFC
Protonic fuel cell
Metal supports
Porous alloys
Corrosion
Protective coating

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Optimization of Ferritic Steel

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@inproceedings{b40af68c90f643d6a545766ee808d7d3,

title = "Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C",

abstract = "Metal supported protonic fuel cells (PCFC) offer one major advantage over standard solid oxide fuel cells (SOFC) with oxygen conducting electrolytes, namely that the product, water, is produced on the cathode (air) side. This feature simplifies the engineering of the stack, boosts efficiency, and is particularly helpful for a porous metal supported cell because it limits the corrosion of the metal by exposure to water vapor in the anode gas.In this work, we show the effect of composition and microstructure on the high temperature corrosion and phase stability (formation of sigma phase/Laves phase) of porous alloys. Alloys in the compositional range Fe-20%Cr to Fe-32%Cr were evaluated and the effects of surface modification on corrosion resistance were studied using thermogravimetry, x-ray diffractometry and electron microscopy. The results show that surface modified porous ferritic steels are very promising materials for cost effective protonic fuel cells operating at 600°C.",

keywords = "SOFC, Protonic fuel cell, Metal supports, Porous alloys, Corrosion, Protective coating",

author = "Vinothini Venkatachalam and Sebastian Molin and Ming Chen and I. Smirnov and P.-O. Larsson and Hendriksen, {Peter Vang} and Nikolaos Bonanos",

year = "2014",

language = "English",

pages = "1231--1239",

booktitle = "Proceedings of the Materials Science and Technology 2014 Conference",

publisher = "ASM International",

address = "United States",

note = " Materials Science and Technology 2014 Conference ; Conference date: 12-10-2014 Through 16-10-2014",

}

Venkatachalam, V, Molin, S, Chen, M, Smirnov, I, Larsson, P-O, Hendriksen, PV & Bonanos, N 2014, Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C. in Proceedings of the Materials Science and Technology 2014 Conference. ASM International, pp. 1231-1239, Materials Science and Technology 2014 Conference, Pittsburgh, PA, United States, 12/10/2014.

Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C. / Venkatachalam, Vinothini; Molin, Sebastian; Chen, Ming et al.
Proceedings of the Materials Science and Technology 2014 Conference. ASM International, 2014. p. 1231-1239.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

TY - GEN

T1 - Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C

AU - Venkatachalam, Vinothini

AU - Molin, Sebastian

AU - Chen, Ming

AU - Smirnov, I.

AU - Larsson, P.-O.

AU - Hendriksen, Peter Vang

AU - Bonanos, Nikolaos

PY - 2014

Y1 - 2014

N2 - Metal supported protonic fuel cells (PCFC) offer one major advantage over standard solid oxide fuel cells (SOFC) with oxygen conducting electrolytes, namely that the product, water, is produced on the cathode (air) side. This feature simplifies the engineering of the stack, boosts efficiency, and is particularly helpful for a porous metal supported cell because it limits the corrosion of the metal by exposure to water vapor in the anode gas.In this work, we show the effect of composition and microstructure on the high temperature corrosion and phase stability (formation of sigma phase/Laves phase) of porous alloys. Alloys in the compositional range Fe-20%Cr to Fe-32%Cr were evaluated and the effects of surface modification on corrosion resistance were studied using thermogravimetry, x-ray diffractometry and electron microscopy. The results show that surface modified porous ferritic steels are very promising materials for cost effective protonic fuel cells operating at 600°C.

AB - Metal supported protonic fuel cells (PCFC) offer one major advantage over standard solid oxide fuel cells (SOFC) with oxygen conducting electrolytes, namely that the product, water, is produced on the cathode (air) side. This feature simplifies the engineering of the stack, boosts efficiency, and is particularly helpful for a porous metal supported cell because it limits the corrosion of the metal by exposure to water vapor in the anode gas.In this work, we show the effect of composition and microstructure on the high temperature corrosion and phase stability (formation of sigma phase/Laves phase) of porous alloys. Alloys in the compositional range Fe-20%Cr to Fe-32%Cr were evaluated and the effects of surface modification on corrosion resistance were studied using thermogravimetry, x-ray diffractometry and electron microscopy. The results show that surface modified porous ferritic steels are very promising materials for cost effective protonic fuel cells operating at 600°C.

KW - SOFC

KW - Protonic fuel cell

KW - Metal supports

KW - Porous alloys

KW - Corrosion

KW - Protective coating

M3 - Article in proceedings

SP - 1231

EP - 1239

BT - Proceedings of the Materials Science and Technology 2014 Conference

PB - ASM International

T2 - Materials Science and Technology 2014 Conference

Y2 - 12 October 2014 through 16 October 2014

ER -

Optimization of Ferritic Steel Porous Supports for Protonic Fuel Cells Working at 600°C

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