LITHIUM PHOSPHATE DERIVATIVE COMPOUNDS AS Li SUPER-IONIC CONDUCTOR, SOLID ELECTROLYTE AND COATING LAYER FOR LITHIUM METAL BATTERY AND LITHIUM-ION BATTERY

Electrodes for a solid-state lithium-ion battery are provided. The electrodes have an active material layer containing or coated with electrolytes of lithium phosphate derivative compounds which contain an anionic framework capable of conducting lithium ions. Materials of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown. Lithium batteries containing the electrodes are also provided.