L 5067 (OTTO) Lithium oxide, ≥99.5% Cas 12057-24-8 - used as a flux in ceramic glazes, co-dopant with yttria in the zirconia ceramic top coat and as the cathode in the lithium ion batteries, which is used in power electronic devices like mobile phones, laptop computers and battery-powered cars. L 5067 (OTTO) Lithium oxide, ≥99.5% Cas 12057-24-8 - used to prepare lithium hydroxide and lithium metal by electrolysis.