Electrolytic degradation of lithia-stabilized. beta. ''-alumina. Technical progress report, July 1, 1980-May 15, 1981
Technical Report
·
OSTI ID:6403287
Progress is described in the following areas; (1) effect of Se and Pb on the sodium/..beta..''/ sodium cell studies; (2) transformation toughening of ..beta..''-alumina with small additions of unstabilized zirconia; (3) theoretical development of the model; (4) determination of current and potential distribution by the conformal transformation method; (5) determination of critical current density; and (6) fabrication of Ag-..beta..''-alumina. Important findings include (1) additions of selenium to Na/..beta..''alumina/Na cells drastically lowers the cell resistance and its temperature dependency is also altered; (2) ..beta..''-alumina can be significantly strengthened by the addition of ZrO/sub 2/; (3) experimentally determined i/sub Cr/ is in the range of 10 to 20 amps/cm/sup 2/; and (4) current concentration factor calculations have shown that the cracks in the center of a nonwetted area could be deleterious. Experimental evidence has been found. (WHK)
- Research Organization:
- Utah Univ., Salt Lake City (USA). Dept. of Materials Science and Engineering
- DOE Contract Number:
- AS02-77ER04451
- OSTI ID:
- 6403287
- Report Number(s):
- UTEC-81044; ON: DE81025052
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
ALKALI METALS
ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
CRACKS
CURRENT DENSITY
CURRENTS
DISTRIBUTION
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROLYTES
ELEMENTS
FABRICATION
IMPURITIES
IONIC CONDUCTIVITY
LEAD ADDITIONS
LEAD ALLOYS
MATERIALS TESTING
METAL-NONMETAL BATTERIES
METALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RESEARCH PROGRAMS
SELENIUM ADDITIONS
SELENIUM ALLOYS
SODIUM
SODIUM-SULFUR BATTERIES
SOLID ELECTROLYTES
SPATIAL DISTRIBUTION
TESTING
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
ALKALI METALS
ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
CRACKS
CURRENT DENSITY
CURRENTS
DISTRIBUTION
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROLYTES
ELEMENTS
FABRICATION
IMPURITIES
IONIC CONDUCTIVITY
LEAD ADDITIONS
LEAD ALLOYS
MATERIALS TESTING
METAL-NONMETAL BATTERIES
METALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RESEARCH PROGRAMS
SELENIUM ADDITIONS
SELENIUM ALLOYS
SODIUM
SODIUM-SULFUR BATTERIES
SOLID ELECTROLYTES
SPATIAL DISTRIBUTION
TESTING
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES