title: Lithium cobalt oxide
text: Lithium cobalt oxide is a chemical compound. Its chemical formula is LiCoO2. It is sometimes called lithium cobaltate or lithium cobaltite. Lithium cobalt oxide is a dark blue or bluish-gray crystalline solid. It is commonly used in the positive electrodes of lithium-ion batteries.
  
  Preparation 
  Lithium cobalt oxide can be made by heating a stoichiometric mixture of lithium carbonate and cobalt(II,III) oxide or metallic cobalt at 600–800°C, then annealing it at 900°C for many hours, all under an oxygen atmosphere.
  
  Cobalt compounds
  Lithium compounds
  Oxides