Lithium Aluminate (Lithium Aluminum Oxide) (LiAlO2)-Powder

Characteristic




Lithium aluminate (LiAlO2), also called lithium aluminium oxide, is an inorganic chemical compound, an aluminate of lithium. In microelectronics, lithium aluminate is considered as a lattice matching substrate for gallium nitride.




Chemical formula：AlLiO2

Molar mass：65.92 g·mol−1

Appearance：white crystalline powder

Density：2.615 g/cm3, solid

Melting point：1,625 °C (2,957 °F; 1,898 K)

Solubility in water：insoluble




Application




In nuclear technology, lithium aluminate is of interest as a solid tritium breeder material, for preparing tritium fuel for nuclear fusion.




Lithium aluminate also finds its use as an inert electrolyte support material in molten carbonate fuel cells, where the electrolyte may be a mixture of lithium carbonate, potassium carbonate, and sodium carbonate.