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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium High-Temperature Systems for Energy Conversion and Storage
Presentation Title Carbon Deposition Behavior on Chromium Oxides Heated Directly in Low S/C Environments
Author(s) Takuya Ito, Shinji Amaha, Mitsutoshi Ueda
On-Site Speaker (Planned) Takuya Ito
Abstract Scope Suppression of carbon deposition is one of the main challenges to achieve highly efficient operation of solid oxide fuel cell (SOFC) systems in low steam/carbon (S/C) environments. Ferritic Cr2O3- forming alloys are the materials of choice for interconnects of SOFCs and supply lines of fuel in SOFC systems. Carbon deposition may occur on the alloys, when humidified methane whose S/C ratio of less than 1 is supplied. This study focuses on carbon deposition on both chromium oxides formed on the alloy and the oxides of single crystal, in order to clarify the mechanism of carbon deposition. Samples of the Cr2O3- forming alloy and the single crystal of Cr2O3 were directly heated to 1173 K in low S/C environment (S/C=0.02). Carbon was deposited on the Cr2O3 scale containing (Mn, Cr)3O4 spinel but not on the single crystal. The difference of the carbon deposition behavior will be discussed based on thermodynamic calculation.
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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