Class 1 : Overview of SOFC
Draw the cross section of a SOFC.
Describe how a SOFC operates.
List materials used for anode, cathode, and electrode.
Describe why ceramics are needed in SOFC.
Describe why nanomaterials are needed in SOFC.
List advantages of SOFC over other fuel cell types.
Class 2: Introduction to Ceramics
List the main properties of ceramics.
Calculate the coordination number based on ionic radius.
Determine the crystal structure from the coordination number.
Draw the crystal structures for rock salt, cesium chloride, and zinc blend.
Draw the crystal structure of common ceramics for the anode, cathode, and
electrolyte in SOFC.
Class 3: Ceramic Defects
- List the point defects
- Determine the charge of a point defect in a ceramic
- Define Frenkel and Schottky defects.
- Determine the point defect clusters in a SOFC electrolyte.
- List the bulk (interfacial) 3-D defects.
Class 4: Diffusion via defects
- Explain the interstitial, vacancy, and fast path diffusion mechanisms
- Describe how diffusion depends on temperature.
- Calculate the diffusion coefficient.
- Define sintering.
- Describe the role diffusion plays in sintering.
- Describe the role diffusion plays in the operation of a SOFC. List
ways to increase diffusion across the electrolyte.
Class 5 & 6: Phase Diagrams
- Define phase, component, and solubility.
Calculate mole fraction and weight fraction of a phase using the lever rule.
Determine the equilibrium phases,
microstructure, and composition of the phases as a function of
temperature and overall composition from a phase diagram.
Recognize and describe isomorphous, eutectic, and eutectoid phase diagrams.
Identify the invariant points
and congruent transformations in a phase diagram.
ceramic phase diagrams to explain Y-stabilized ZrO2.