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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium High-Temperature Systems for Energy Conversion and Storage
Presentation Title Advanced Interconnect Coating Process for Planar SOFC Stacks
Author(s) Jung Pyung Choi, Jeff Stevenson, Matt Chou
On-Site Speaker (Planned) Jung Pyung Choi
Abstract Scope Chromia-forming ferritic stainless steels are preferred interconnect materials for intermediate temperature SOFCs because of their resistance to oxidation and low cost. However, they produce Cr-containing volatile species at SOFC operating temperatures, which can cause cathode poisoning. Hence, a protective coating is required on the surface of metal interconnect material. However, there are challenges in that the coating should not react with the cathode or sealing material, and also must show long-time stability. Moreover, the coated material should exhibit electrical conductivity for electrical contacting regions to the cathode surface and non-electrical conductivity for the rest of the surfaces, including sealing areas. Thus, spinel and alumina coating process have been developed by PNNL to enable durable sealing, prevent Cr evaporation, and maintain electrical insulation between stack repeat units, as well as electrical conductivity between stack unit and cathode material. Hence, a novel interconnect coating process is introduced in this paper.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Thermodynamics and Density Functional Theory Based Approach to Design Alloys with Passivating Oxide Layer for Silver-free SOFC Braze Application
Advanced Interconnect Coating Process for Planar SOFC Stacks
An Improvement of SOFC Durability by the Mass Transport Analysis at the Interfaces
Carbon Deposition Behavior on Chromium Oxides Heated Directly in Low S/C Environments
CeO2 Modified Spinel Coating on Ferritic Alloys for SOFC Interconnect Application
CH4 Reforming by CO2 and O2 Using Ni-M (M= Cu, Fe, Co, Mn, Zn, Cr) Bimetallic Aerogel Catalysts
Chromium Poisoning in High Temperature (600-1000C) Electrochemical Systems
CMAS Resistance of Gadolinium and Samarium Zirconates for Use as Environmental Barrier Coatings
Combinatorial Development of Metal Hydrides for Thermal Coupling of Solid Oxide Fuel Cells
Composition and Temperature Dependence of Fracture Behavior of Diffusion Aluminide Bond Coats
Department of Energy Office of Fossil Energy’s Solid Oxide Fuel Cells Program
Effect of Additives on Densification and Thermal Conductivity of Barium Zinc Tantalate Ceramics
Electrical Contact and Contact Materials for Solid Oxide Fuel Cell Stacking
Electro-spraying and Combustion of Ethanol in a Micro-scale Combustor under Combined Electric Field
Evaluation of Delamination Life for Thermal Barrier Coating with Various Bond Coats
Hidden Information in Standard Characterization of Ceramics
High Performance Molybdenum Dioxide (MoO2)-Based Anode for Gasolin-Fueled SOFCs
High Temperature Electroceramic Oxide Based Nanomaterial Research and Development for Solid Oxide Fuel Cell and Embedded Sensing Applications
High Temperature Resonant Ultrasound Spectroscopy Methodologies Applied to Relaxor Ferroelectrics
In-Operando XRD Tests of LSCF and LSM/YSZ SOFC Cathodes
L-1: Graphene-inorganic Hybrids with Cobalt Oxides for Electrochemical Energy Storage and Conversion Applications
L-2: Thermal and Mechanical Properties of (La1-xBix)2Mo2O9
L-3: Effect of Heating Rate on the Sintering and Performance of MnCo2O4 Contact Layer with Metallic Powder Precursors
L-4: (Co,Mn)304 and (Co,Mn)3O4-perovskite Composites for SOFC Cathode-side Contact Application
Molecular View of High Temperature Oxygen Reduction & Evolution Reactions
Novel Approaches to Improve Cathode Contact Strength by Mechanical Interlocking and Sintering Aid for Solid Oxide Fuel Cells
Perovskite-type Cathode Materials and Coatings for Solid Oxide Fuel Cells
Scalable and Hierarchical Nanostructure Ensembles for High Temperature Energy and Environmental Applications
Solid Acid Electrolytes Applied to Electricity Generation and Gas Separation
Solid Composite Electrolytes for Lithium-ion Batteries with Enhanced Safety and Cycle Performance at High Temperature
Solid Oxide Fuel Cell - Energy Storage Hybrid Devices
Spark Plasma Sintering of Ceramic Composites for Solid Oxide Fuel Cell and Hydrogen Separation Applications
Strain Assisted Fast Ionic Conduction in Ion Irradiation Induced Nanofibers in Pyrochlore Structure Complex Oxide Matrix
Synchrotron-Based X-ray Imaging of Energy Conversion and Storage Materials
Synthesis and Characterization of Mixed-Cation Rare-Earth Orthophosphates
The Role of Fe-O Complex in Determining Oxygen Nonstoichiometry in the Lanthanum Strontium Ferrite (LSF) System
Thermal Spray as an Additive and Layered Manufacturing Technology for Applications in Energy Systems
Thermomechanical Properties of Bilayer La2Zr2O7 Thermal Barrier Coatings
Thick Zirconia Coatings by Electrolytic Anodisation
Three-Dimensional Reconstruction of Solid Oxide Fuel Cell Electrodes
Two-Dimensional Transition Metal Carbides and Carbonitrides Derived from MAX Phases for Electrochemical Energy Storage Systems
Ultraviolet Digital Image Correlation (UV-DIC) for Measuring Full-Field Strains at Extreme Temperatures
Understanding the Mechanisms of Electrode Degradation in Solid Oxide Fuel Cells by Phase-field Modeling

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