TECHNOLOGY FOCUS - IMAGING AND COMMUNICATION - Preferred Property: The ink has a viscosity of 0.01-100 Pa-sec at 25degreesC.Preferred Composition: The lithium ink comprises lithium powder (20-70%), conductive material (15-40), and polyimide binder (10-25).    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The lithium ink further comprises electronically conductive material other than lithium metal powder. Preferred Property: The lithium powder has an average particle size of less than or equal to50 (preferably less than or equal to1) microns.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The lithium ink further comprises electronically conductive material other than lithium metal powder. Preferred Property: The lithium powder has an average particle size of less than or equal to50 (preferably less than or equal to1) microns.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Material: The solvent comprises gamma-butyrolactone.    TECHNOLOGY FOCUS - POLYMERS - Preferred Material: The high temperature polymer is capable of complexing with lithium salts and participating in ionic conduction. It comprises a polyimide, a polybenzimidazole or a polyamide-imide, preferably polyamides, polyphenylene oxides, polyarylates, polyester-imides, polyesteramide-imides, poly(benzoxazoles), polysulfones, polyether sulfones, polysulfonamides, poly(quinoxaline), poly(paraphenylenes), poly(aryl ethers) substituted with a pyridyl group, poly(aryl ether sulfones), and/or polyepoxides. The polyimide comprises a pre-imidized, amorphous, thermoplastic polyimide powder that is soluble in a polar solvent.The electrolyte comprises a polyimide solid polymer electrolyte of about 40 wt% solvent or less. The electrolyte is optically clear. The cathode comprises: (a) a cathode current collector; and (b) an electrode layer disposed on the cathode current collector, where the electrode layer comprises a polyimide, an electronic conductive filler and a metal oxide.Preferred Property: The high temperature polymer has a glass transition temperature of greater than or equal to150degreesC.