Lithium ruthenate, Li₂RuO₃, is a chemical compound of

lithium Lithium (from el, λίθος, lithos, lit=stone) is a chemical element with the symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid el ...

, ruthenium and oxygen. It has a layered honeycomb crystal structure, and can be prepared by direct

calcination Calcination refers to thermal treatment of a solid chemical compound (e.g. mixed carbonate ores) whereby the compound is raised to high temperature without melting under restricted supply of ambient oxygen (i.e. gaseous O2 fraction of air), genera ...

of Ru metal and

lithium carbonate Lithium carbonate is an inorganic compound, the lithium salt (chemistry), salt of carbonate with the chemical formula, formula . This white Salt (chemistry), salt is widely used in the processing of metal oxides. It is listed on the World Health O ...

at ca. 700 °C. It is a potential

lithium-ion battery A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. It is the predominant battery type used in portable consumer electronics and electric vehicles. It also se ...

electrode material, though this application is hindered by the high costs of Ru, as compared to the cheaper Li₂MnO₃ alternative.

References

{{Lithium compounds Lithium compounds Ruthenates