▎ 摘　　要

NOVELTY - An all-solid lithium-air battery comprises cathode material, which is self-assembled three-dimensional graphene sheet negative electrode material, electrolyte, which is lithium iodide complex 3-hydroxy-propionitrile with lithium iodide solid electrolyte. USE - All-solid lithium-air battery. ADVANTAGE - The battery has reduced polarization and improved lithium-air cell cycle performance. DETAILED DESCRIPTION - An all-solid lithium-air battery comprises cathode material, which is self-assembled three-dimensional graphene sheet negative electrode material, electrolyte, which is lithium iodide complex 3-hydroxy-propionitrile with lithium iodide solid electrolyte (LiIHPN-xLiI), where x is mol amount of LiI, and x is 0-10. An INDEPENDENT CLAIM is also included for a method for preparing all-solid lithium-air battery.