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Sputtered MnCu metallic coating on ferritic stainless steel for solid oxide fuel cell interconnects application
Geng, Shujiang; Zhao, Qingqing; Li, Yaohua; Mu, Jianjia; Chen, Gang; Wang, Fuhui; Zhu, Shenglong; Geng, SJ (reprint author), Northeastern Univ, Sch Met, Liaoning Key Lab Met Sensor & Technol, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China.
2017-04-13
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume42Issue:15Pages:10298-10307
AbstractMnCu (Mn:Cu = 1:1, atomic ratio) metallic coatings have been deposited by magnetron sputtering on bare and on 100 h pre-oxidized SUS 430 steel for planar solid oxide fuel cells interconnects application. After oxidation at 800 degrees C in air, the MnCu coating directly deposited on the bare steel has been thermally converted to (Mn,Cu)(3)O-4 spinel with Fe, containing discrete CuO on the outer surface. Nevertheless, the converted (Mn,Cu)(3)O-4/CuO layer from the MnCu coating deposited on the pre-oxidized steelis almost free of Fe. A double-layer oxide structure with a main (Mn,Cu)(3)O-4 spinel layer atop a Cr-rich oxide layer has been developed on the bare and pre-oxidized steel samples with MnCu coatings after thermal exposure. The outer layer mainly consisted of (Mn,Cu)(3)O-4 spinel has not only significantly suppressed Cr outward migration to the scale surface, but also effectively reduced the area specific resistance (ASR) of the scale. The sputtered MnCu metallic coating is a very promising candidate for steel interconnect coating material. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.; MnCu (Mn:Cu = 1:1, atomic ratio) metallic coatings have been deposited by magnetron sputtering on bare and on 100 h pre-oxidized SUS 430 steel for planar solid oxide fuel cells interconnects application. After oxidation at 800 degrees C in air, the MnCu coating directly deposited on the bare steel has been thermally converted to (Mn,Cu)(3)O-4 spinel with Fe, containing discrete CuO on the outer surface. Nevertheless, the converted (Mn,Cu)(3)O-4/CuO layer from the MnCu coating deposited on the pre-oxidized steelis almost free of Fe. A double-layer oxide structure with a main (Mn,Cu)(3)O-4 spinel layer atop a Cr-rich oxide layer has been developed on the bare and pre-oxidized steel samples with MnCu coatings after thermal exposure. The outer layer mainly consisted of (Mn,Cu)(3)O-4 spinel has not only significantly suppressed Cr outward migration to the scale surface, but also effectively reduced the area specific resistance (ASR) of the scale. The sputtered MnCu metallic coating is a very promising candidate for steel interconnect coating material. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
description.department[geng, shujiang ; zhao, qingqing ; li, yaohua ; mu, jianjia ; chen, gang] northeastern univ, sch met, liaoning key lab met sensor & technol, 3-11 wenhua rd, shenyang 110819, peoples r china ; [geng, shujiang ; wang, fuhui] northeastern univ, sch mat sci & engn, 3-11 wenhua rd, shenyang 110819, peoples r china ; [zhu, shenglong] chinese acad sci, inst met res, 62 wencui rd, shenyang 110016, peoples r china
KeywordSolid Oxide Fuel Cell Steel Interconnects Sputtered Mncu Metallic Coating Thermal Exposure Area Specific Resistance
Subject AreaChemistry, Physical ; Electrochemistry ; Energy & Fuels
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51371048]; Fundamental Research Funds for the Central Universities [N140202001]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78185
Collection中国科学院金属研究所
Corresponding AuthorGeng, SJ (reprint author), Northeastern Univ, Sch Met, Liaoning Key Lab Met Sensor & Technol, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China.
Recommended Citation
GB/T 7714
Geng, Shujiang,Zhao, Qingqing,Li, Yaohua,et al. Sputtered MnCu metallic coating on ferritic stainless steel for solid oxide fuel cell interconnects application[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(15):10298-10307.
APA Geng, Shujiang.,Zhao, Qingqing.,Li, Yaohua.,Mu, Jianjia.,Chen, Gang.,...&Geng, SJ .(2017).Sputtered MnCu metallic coating on ferritic stainless steel for solid oxide fuel cell interconnects application.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,42(15),10298-10307.
MLA Geng, Shujiang,et al."Sputtered MnCu metallic coating on ferritic stainless steel for solid oxide fuel cell interconnects application".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42.15(2017):10298-10307.
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