Thermal characterization of lithium aluminate/alkali carbonate electrolyte structures
Conference
·
OSTI ID:6309864
The thermomechanical behavior and thermal stability of lithium aluminate (LiAlO/sub 2/) and LiAlO/sub 2//Li/sub 2/CO/sub 3/-K/sub 2/CO/sub 3/ mixtures have been studied by thermal analyses. The relationships of the coefficients of linear thermal expansion (..cap alpha../sub t/) of each mixture as a function of volume content of eutectic are presented. The measured transition temperatures of ..cap alpha..- and ..beta..- phases to the ..gamma..-phase of LiAlO/sub 2/ are also presented. In general, the results indicate that ..cap alpha../sub t/ of LiAlO/sub 2//eutectic increases with increasing eutectic content and that additives such as LiOH, Li/sub 2/CO/sub 3/-K/sub 2/CO/sub 3/, and ..gamma..-Al/sub 2/O/sub 3/ can affect the ..cap alpha..- and ..beta..- to ..gamma..-LiAlO/sub 2/ transition temperatures by 100 to 250/sup 0/.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6309864
- Report Number(s):
- CONF-811014-4; ON: DE83010701
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
ALKALI METAL COMPOUNDS
ALUMINATES
ALUMINIUM COMPOUNDS
CRYSTAL-PHASE TRANSFORMATIONS
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
EUTECTICS
EXPANSION
FUEL CELLS
LITHIUM COMPOUNDS
MECHANICAL PROPERTIES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
THERMAL EXPANSION
THERMODYNAMIC PROPERTIES
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
ALKALI METAL COMPOUNDS
ALUMINATES
ALUMINIUM COMPOUNDS
CRYSTAL-PHASE TRANSFORMATIONS
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
EUTECTICS
EXPANSION
FUEL CELLS
LITHIUM COMPOUNDS
MECHANICAL PROPERTIES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
THERMAL EXPANSION
THERMODYNAMIC PROPERTIES