Effect of thermal-sprayed Mn1.5Co1.5O4 coating on oxidation suppression of metallic interconnects

研究成果: Article同行評審

摘要

Metallic interconnects are less expensive, more conductive and able to form complex shapes than ceramic interconnects for SOFC applications. Most metallic interconnects use alloys containing chromium. At elevated temperatures, chromia scales react with cathode and degrade its performance. Manganese cobalt oxide ((Mn,Co)3O4, (MCO), with spinel structure is found to be a good material to form a protective coating for metallic interconnects. In this study, the high-temperature ferritic stainless steel Crofer 22H and nickel-chromium alloy Inconel 625 were thermally sprayed with MCO, and the oxidation, scale structure, and resistance of metallic substrates were investigated using XRD, TEM and SEM.

原文English
頁(從 - 到)2209-2216
頁數8
期刊ECS Transactions
57
發行號1
DOIs
出版狀態Published - 2013

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

指紋

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