▎ 摘　　要

NOVELTY - An electrochromic device comprises cathode, anode, and electrolyte. The anode and cathode forms double-layer structure, and substrate, graphene set on substrate, molybdenum oxide set on graphene, and aluminum layer are arranged between cathode and anode. The electrolyte comprises aluminum ion electrolyte. USE - Electrochromic device. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of electrochromic device.