Abstract

A process for producing a solid state battery successively comprising, superimposed between two metallic contact elements, a layer or thin film of an alkali metal which provides a source of ions, a layer or thin film of ion-superconducting solid electrolyte glass of high ionic conductivity and a layer or thin film of a layered intercalation compound capable of inserting ions issued from the alkali metal film. The lamellae of the thin film or layer of layered compound are oriented substantially perpendicularly parallel to the surface of the solid electrolyte. The process includes forming the layer or thin film of layered intercalation compound by forming a periodic irregularity in only the surface atoms of a substantially smooth substrate surface, and molecular beam depositing the layer or thin film of layered intercalation compound on the substrate surface containing the periodic irregularity of surface atoms. The periodic irregularity of surface atoms conditions the nucleation starting of the layered growth.

Other References

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