Fabrication and Property of Co3O4 and La0.6Sr0.4CoO3-δ Dual Layer Coatings on SUS430 Steel

doi:10.15541/jim20140377

Abstract

Abstract:

The cobalt for protective layer on SUS430 steel was firstly deposited by electroplating, and La_0.6Sr_0.4CoO_3-_δ for cathode contact layer was then prepared by screen printing. Co₃O₄was used as sintering additives to improve sintering behavior of the contact layer. Dual layer coatings Co₃O₄and La_0.6Sr_0.4CoO_3-_δ were formed by subsequent oxidation at 800℃ in air. The phases, morphology and element diffusion of the dual layer coatings were analyzed by XRD, SEM and EDS. The results show that the dual layer coatings achieve good bonding and adhesion, and effectively block chromium diffusion. The interconnect with dual layer coatings exhibits a low ASR value of 23 mΩ·cm² after isothermal oxidation at 800℃ for 200 h. The dual layer coatings effectively improve the oxidation resistance and electrical properties of SUS430 steel substrate.

Key words: solid oxide fuel cell, metallic interconnect, cobalt layer, dual layer coatings

CLC Number:

TQ174

YANG Xiao-Long, TU Heng-Yong, YU Qing-Chun. Fabrication and Property of Co₃O₄ and La_0.6Sr_0.4CoO_3-_δ Dual Layer
Coatings on SUS430 Steel[J]. Journal of Inorganic Materials, 2015, 30(4): 379-384.

Figures/Tables 8

Table 1 Electroplating parameters for the cobalt coating on SUS430 substrates

Bath composition	Concentration/(g·L^-1)
CoSO₄·7 H₂O	278
CoCl₂·6 H₂O	36
H₃BO₃	45
Sodium dodecyl sulfate	0.2
Saccharin sodium	1.65
De-ionised water	Balance

Fig. 1 Schematic representation of specimen for area-specific resistance (ASR) measurement

Fig. 2 XRD patterns of synthesized LSC powder by GNP (a) and XRD patterns (b) of dual layer coated surfaces after oxidation at 800 ℃ in air for 200 h

Fig. 3 SEM micrograph of electrodeposited cobalt coating on SUS430 steel

Fig. 4 SEM images of the cobalt coatings on SUS430 substrate after oxidation at 800℃ in air for different time (a) 2 h; (b) 10 h; (c) 100 h

Fig. 5 SEM images of LSC contact layer coated on SUS430 substrate

Fig. 6 SEM image (a) and EDS analysis of (b) Cr, (c) Co, (d) Fe, (e) O, (f) La and (g) Sr in cross-section of dual layer coated SUS430 substrate

Fig. 7 ASR values for dual layer coated substrate as a function of oxidation time

References 16

[1]	FU C J, ZHAO G G, WANG ZH T.Research progress on the mechanism of chromium poisoning in solid oxide fuel cells cathode. Rare Metal Materials & Engineering, 2012, 41(2): 463-466.
[2]	JIANG S P, CHEN X.Chromium deposition and poisoning of cathodes of solid oxide fuel cells-a review. Int. J. Hydrogen Energy, 2014, 39(1): 505-531.
[3]	SHAIGAN N, QU W, IVEY D G, et al.A review of recent progress in coatings, surface modifications and alloy developments for solid oxide fuel cell ferritic stainless steel interconnects. J. Power Sources, 2010, 195(6): 1529-1542.
[4]	BI Z H, ZHU J H, BATEY J L.Co-Fe2O4 spinel protection coating thermally converted from the electroplated Co-Fe alloy for solid oxide fuel cell interconnect application. J. Power Sources, 2010, 195(11):3605-3611.
[5]	HUA B, PU J, GONG W, et al.Cyclic oxidation of Mn-Co spinel coated SUS 430 alloy in the cathodic atmosphere of solid oxide fuel cells. J. Power Sources, 2008, 185(1): 419-422.
[6]	BATENI M R, WEI P, DENG X, et al.Spinel coatings for UNS 430 stainless steel interconnects.Surf. Coat. Technol., 2007, 201(8): 4677-4684.
[7]	PALCUT M, MIKKELSEN L, NEUFELD K, et al.Efficient dual layer interconnect coating for high temperature electrochemical devices.Int. J. Hydrogen Energy, 2012, 37(19): 14501-14510.
[8]	TUCKER M C, CHENG L, DEJONGHE L C.Selection of cathode contact materials for solid oxide fuel cells. J. Power Sources, 2011, 196(20): 8313-8322.
[9]	FERGUS J W.Metallic interconnects for solid oxide fuel cells. Mater. Sci. Eng. A, 2005, 397(1/2): 271-283.
[10]	DENG X H, WEI P, BATENI M R, et al.Cobalt plating of high temperature stainless steel interconnects. J. Power Sources, 2006, 160(2): 1225-1229.
[11]	WANG H X, TU H Y.Synthesis and characterization of SOFC cathode materials La0.6Sr0.4CoO3-δ by glycine-nitrate process.J. Funct. Mater., 2010, 41(3): 397-400.
[12]	LEE S, CHU C L, TSAI M J, et al.High temperature oxidation behavior of interconnect coated with LSCF and LSM for solid oxide fuel cell by screen printing. Appl. Surf. Sci., 2010, 256(6): 1817-1824.
[13]	DE ANGELIS KORB M, SAVARIS ID, FEISTAUER EE, et al. Modification of the La0.6Sr0.4CoO3 coating deposited on ferritic stainless steel by spray pyrolysis after oxidation in air at high temperature. Int. J.Hydrogen Energy, 2013, 38(11): 4760-4766.
[14]	SHAIGAN N, IVEY D G, CHEN W.Co/LaCrO3 composite coatings for AISI 430 stainless steel solid oxide fuel cell interconnects. J. Power Sources, 2008, 185(1): 331-337.
[15]	GILEWICZ-WOLTER J, ZUREK Z, DUDALA J, et al.Diffusion of chromium, manganese, and iron in MnCr2O4 Spinel.J. Phase Equilib Diff., 2005, 26(5): 561-564.
[16]	ZHANG Y, JAVED A, ZHOU M, et al.Fabrication of Mn-Co spinel coatings on crofer 22 APU stainless steel by electrophoretic deposition for interconnect applications in solid oxide fuel cells. J. Appl. Ceram. Technol., 2014, 11(2): 332-341.

Fabrication and Property of Co₃O₄ and La_0.6Sr_0.4CoO_3-_δ Dual Layer
Coatings on SUS430 Steel

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