Pilot demonstration of cerium oxide coated anodes
Cu cermet anodes were tested for 213 to 614 hours with an in-situ deposited CEROX coating in a pilot cell operated by Reynolds Manufacturing Technology Laboratory. At high bath ratio ([approximately]1.5) and low current density (0.5 A/cm[sup 2]), a [ge]1 mm thick dense CEROX coating was deposited on the anodes. At lower bath ratios and higher current density, the CEROX coating was thinner and less dense, but no change in corrosion rate was noted. Regions of low current density on the anodes and sides adjacent to the carbon anode sometimes had thin or absent CEROX coatings. Problems with cracking and oxidation of the cermet substrates led to higher corrosion rates in a pilot cell than would be anticipated from lab scale results.
- Research Organization:
- ELTECH Research Corp., Fairport Harbor, OH (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FC07-90ID12940
- OSTI ID:
- 6951631
- Report Number(s):
- DOE/ID/12940-1; ON: DE93002507
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALUMINIUM
ELECTROMETALLURGY
ANODES
CORROSION
CERIUM OXIDES
CERMETS
COPPER ALLOYS
CRACKS
DEMONSTRATION PROGRAMS
OXIDATION
PROGRESS REPORT
PROTECTIVE COATINGS
ALLOYS
CERIUM COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
COATINGS
COMPOSITE MATERIALS
DOCUMENT TYPES
ELECTRODES
ELEMENTS
MATERIALS
METALLURGY
METALS
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
360101* - Metals & Alloys- Preparation & Fabrication
400400 - Electrochemistry
360205 - Ceramics
Cermets
& Refractories- Corrosion & Erosion