TECHNOLOGY FOCUS - ELECTRONICS - Preferred Battery: The multi layer ceramic battery further comprises three-layer cell structures connected in series or in parallel to form a higher voltage battery where at least two of the three-layer cells each comprise a porous sponge ceramic anode layer comprising at least one anode active material, a porous sponge ceramic cathode layer comprising at least one cathode active material, and a dense ceramic electrolyte layer positioned between the anode layer and the cathode layer. The pores of the porous sponge ceramic anode or cathode layer have a coating which increases the electronic and ionic conductivity of the porous sponge ceramic anode or cathode layer.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The ceramic layers are lithium ion-conducting solid ceramic electrolytes. The lithium intercalating carbonaceous material comprises at least one material selected from the group consisting of graphite, hard carbon, and carbon nano tubes. The lithium intercalating transition metal oxide comprises at least one material selected from molybdenum oxide, tungsten oxide, ruthenium oxide, titanium oxides, indium tin oxide, lithium titanium oxide of the composition, LixTiO2 and lithium titanium oxide of the composition Li4Ti5O12. The cathode active material comprises at least one material selected from Li intercalating electrode materials, metal phosphates, lithium vanadium oxides of formula LixV2O5, and lithium titanium oxides of formula LiTiO2. The Li intercalating electrode materials comprise at least one material selected from LiCoO2, LiNiO2, LiNixCoyO2, LiMn2O4, LiNi0.5Mn1.5O4, LiNixCoyMnzO2, and LiFePO4. The metal phosphates comprise at least one material selected from LiCoPO4 and LiNiPO4. The lithium ion-conducting solid ceramic electrolytes comprise materials selected from lithium aluminum titanium phosphate (LATP) and its derivatives obtained by replacing some or all of the titanium with an element selected from silicon, germanium, zirconium, zinc, and lithium phosphorus oxynitride (LIPON) (preferably lithium aluminum titanium phosphate (LATP) or lithium aluminum germanium phosphate (LAGP)).    TECHNOLOGY FOCUS - METALLURGY - Preferred Components: The anode active materials comprises at least one material selected from lithium intercalating carbonaceous materials, lithium intercalating transition metal oxides, and lithium alloy materials. The lithium alloy materials comprise at least one material selected from LixSi, LiySn, and LizAl, where x, y, and z are integer numbers. EXAMPLE - No suitable example given.