▎ 摘　　要

NOVELTY - Manufacture of graphene oxide complex involves applying ultrasound to mixed solution of graphene oxide dispersed solution and nickel hydroxide precursor solution, such that nickel hydroxide is provided between graphene oxide layers. USE - Manufacture of graphene oxide complex used for electrode for electrochemical energy storage device (all claimed). ADVANTAGE - The method provides graphene oxide complex having high energy density and specific surface area, and excellent conductivity.