▎ 摘　　要

NOVELTY - The method involves heating hydrochloric acid in a natural crystalline flake graphite surface. Graphite powder and sodium nitrate are added in concentrated sulfuric acid. Hydrochloric acid washing process is performed. Graphite oxide is added into water. Protonic acid and aniline solution are magnetically stirred. The graphene oxide solution is dripped to the aniline solution. Graphene oxide/polyaniline composite material is obtained. USE - Graphene oxide/polyaniline lithium ion battery anode material preparation method. ADVANTAGE - The method enables preparing graphene oxide/polyaniline composite material with high electrical conductivity in a simple and inexpensive manner and providing the lithium ion battery with wide application range. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a lithium ion battery. DESCRIPTION OF DRAWING(S) - The drawing shows a photographic view illustrating a graphene oxide/polyaniline lithium ion battery anode material preparation method.