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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials for Energy Conversion with Emphasis on SOFC
Presentation Title Plasma Sprayed Protective Coatings on Metallic SOFC Interconnects: Interplay between Processing and Performance
Author(s) Sanjay Sampath, Su Jung Han, Hwasoo Lee
On-Site Speaker (Planned) Sanjay Sampath
Abstract Scope Conductive oxides coatings are applied onto metallic interconnects via plasma spray to prevent chrome poisoning and cell degradation. Most common materials include Strontium doped Lanthanum Manganite (La(Sr)MnO3) or Manganese cobalt spinel (Mn1.5Co1.5O4). The characteristics and performance of these sprayed coatings are strongly dependent on their processing since these coatings have significant process induced defects. For instance the strong thermal gradients within the plasma can cause preferential evaporation of certain cations which can affect the stoichiometry and phases as well as oxidation state of the deposited materials. These chemical changes combined with physical defects such as pores, cracks and interfaces can lead to ineffective protective and functional performance. However, through judicious selection of process paramters constructed through the framework of process maps and advanced property measurements enabled synthesis of high quality deposits. This presentation will provide illustrative examples of the process mapping concepts in context both protective and functional performance.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Analysis of the Effects of Chromium Poisoning on LSM-based Cathode Using Polarization Modeling and Impedance Measurements
C-10: Effect of Sn on the Microstructure and Mechanical Properties of AM90 Extruded Alloy
C-9: Composition Effects on the Characteristics of Glass Sealants for Intermediate Temperature Solid Oxide Fuel Cell Applications
Chromium Impurity Effects on SOFC Cathodes Using Half-cell Measurements
Development of Solid Oxide Fuel Cell Residential CHP System
Effect of Strontium Content and Strain on Surface Segregation in LSCF
Electrophoretically Deposited Copper Manganese Spinel Coatings for Interconnections in Solid Oxide Fuel Cells
Enhanced Performance of Doped Ceria Electrolyte by the Addition of Barium Carbonate in Solid Oxide Fuel Cells
Fabrication and Operation of a 600W Anode-supported Tubular SOFC Stack
Investigation on Cathode Interlayer and Electrolyte for Improving Electric Power Efficiency of SOFCs
Low Temperature RAA Process for SOFC Stacks
Mitigation of Chromium Poisoning in Solid Oxide Fuel Cells
Modified SOFC Cermet Anodes for Improved Catalysis at High Fuel Utilization
New Materials for Solid Oxide Fuel Cells
Oxygen Reduction Reaction at the Cathode of Solid Oxide Fuel Cell Enhanced with Oxide Particles
Oxygen Reduction Reaction Mechanisms on Ruddlesden-Popper Cathodes for Intermediate-Temperature Solid Oxide Fuel Cells
Phase Field Modelling of Microstructure and Conductivity Evolution of SOFC Electrodes
Plasma Sprayed Protective Coatings on Metallic SOFC Interconnects: Interplay between Processing and Performance
Poisoning Mechanism and Performance Degradation at SOFC Cathode/Electrolyte Interfaces
Reactive Synthesis of Spinel Contact Layers with Metallic Precursor Powders
Synthesis and Characterisation of Perovskite Type Anode Material and Its Tape Casting for IT-SOFC Application

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