METHOD FOR PRODUCING A MATERIAL OR A COMPONENT FOR A SOLID-STATE BATTERY

The invention relates to a method for producing a material for a solid-state battery and/or a component for a solid-state battery, as well as a solid-state battery cell. In the method for producing a material () for a solid-state battery () and/or a component () for a solid-state battery (), at least one starting material () together with a sodium source () and HBOis heated () to a temperature between 600° C. and 1300° C. The material and/or component can be produced at a significantly lower temperature.