Pilot demonstration of cerium oxide coated anodes

Technical Report · Thu Oct 01 04:00:00 EDT 1992

DOI:https://doi.org/10.2172/6951631· OSTI ID:6951631

Gregg, J S; Frederick, M S; Shingler, M J; Alcorn, T R

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: DOE; 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

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360205 -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
ALLOYS
ALUMINIUM
ANODES
CERIUM COMPOUNDS
CERIUM OXIDES
CERMETS
CHALCOGENIDES
CHEMICAL REACTIONS
COATINGS
COMPOSITE MATERIALS
COPPER ALLOYS
CORROSION
CRACKS
DEMONSTRATION PROGRAMS
DOCUMENT TYPES
ELECTRODES
ELECTROMETALLURGY
ELEMENTS
MATERIALS
METALLURGY
METALS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PROGRESS REPORT
PROTECTIVE COATINGS
RARE EARTH COMPOUNDS