Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application

SS 304 stainless steel is potential candidate as solid oxide fuel cell interconnector since it has appropriate chromium content to increase corrosion resistant and is less expensive. However, formation of chromium oxide scale at elevated temperature and low electrical conductivity needed to be sol...

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Main Author: Tan, Hong Liang
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2022
Subjects:
Online Access:http://eprints.usm.my/56682/
http://eprints.usm.my/56682/1/Electrodeposition%20Of%20Copper%20On%20Stainless%20Steel%20For%20Solid%20Oxide%20Fuel%20Cell%20Interconnect%20Application_Tan%20Hong%20Liang.pdf
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author Tan, Hong Liang
author_facet Tan, Hong Liang
author_sort Tan, Hong Liang
building USM Institutional Repository
collection Online Access
description SS 304 stainless steel is potential candidate as solid oxide fuel cell interconnector since it has appropriate chromium content to increase corrosion resistant and is less expensive. However, formation of chromium oxide scale at elevated temperature and low electrical conductivity needed to be solved to improve interconnect performances. Cu coating layer was electrodeposited on SS304 stainless steel using electrodeposition with alkaline copper sulphate solution consisted of EDTA solution. Electrodeposition time of Cu coating (60s, 180s, 300s and 600s), the morphology of the coating and oxidation mechanisms were investigated by using scanning electron microscopy and X-ray diffraction analysis. From the formation parameter due to electrodeposition time for the coating, it was found that deposition time plays significant roles in coating behavior. The copper with 600s results in thicker and larger grain size with uniform coating. Furthermore, the stainless steel with coating layer was analysed after 30 hours for surface roughness, static water contact angle (WCA), oxidation and four-point test. Cyclic oxidation test was applied to evaluate the oxidation resistance of the coating layer. In this study, the coated SS 304 which showed lower ASR (7.78 mΩ·cm2) compared to uncoated SS 304 (38.87 mΩ·cm2) and no spallation is the most reliable candidate to reduce formation of chromia oxide layer and improve electrical conductivity of SOFC interconnects.
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institution Universiti Sains Malaysia
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language English
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publisher Universiti Sains Malaysia
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spelling usm-566822023-01-31T07:18:02Z http://eprints.usm.my/56682/ Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application Tan, Hong Liang T Technology TN Mining Engineering. Metallurgy SS 304 stainless steel is potential candidate as solid oxide fuel cell interconnector since it has appropriate chromium content to increase corrosion resistant and is less expensive. However, formation of chromium oxide scale at elevated temperature and low electrical conductivity needed to be solved to improve interconnect performances. Cu coating layer was electrodeposited on SS304 stainless steel using electrodeposition with alkaline copper sulphate solution consisted of EDTA solution. Electrodeposition time of Cu coating (60s, 180s, 300s and 600s), the morphology of the coating and oxidation mechanisms were investigated by using scanning electron microscopy and X-ray diffraction analysis. From the formation parameter due to electrodeposition time for the coating, it was found that deposition time plays significant roles in coating behavior. The copper with 600s results in thicker and larger grain size with uniform coating. Furthermore, the stainless steel with coating layer was analysed after 30 hours for surface roughness, static water contact angle (WCA), oxidation and four-point test. Cyclic oxidation test was applied to evaluate the oxidation resistance of the coating layer. In this study, the coated SS 304 which showed lower ASR (7.78 mΩ·cm2) compared to uncoated SS 304 (38.87 mΩ·cm2) and no spallation is the most reliable candidate to reduce formation of chromia oxide layer and improve electrical conductivity of SOFC interconnects. Universiti Sains Malaysia 2022-08-19 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/56682/1/Electrodeposition%20Of%20Copper%20On%20Stainless%20Steel%20For%20Solid%20Oxide%20Fuel%20Cell%20Interconnect%20Application_Tan%20Hong%20Liang.pdf Tan, Hong Liang (2022) Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral. (Submitted)
spellingShingle T Technology
TN Mining Engineering. Metallurgy
Tan, Hong Liang
Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title_full Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title_fullStr Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title_full_unstemmed Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title_short Electrodeposition Of Copper On Stainless Steel For Solid Oxide Fuel Cell Interconnect Application
title_sort electrodeposition of copper on stainless steel for solid oxide fuel cell interconnect application
topic T Technology
TN Mining Engineering. Metallurgy
url http://eprints.usm.my/56682/
http://eprints.usm.my/56682/1/Electrodeposition%20Of%20Copper%20On%20Stainless%20Steel%20For%20Solid%20Oxide%20Fuel%20Cell%20Interconnect%20Application_Tan%20Hong%20Liang.pdf