▎ 摘　　要

NOVELTY - A lithium ion battery cathode material comprises graphene oxide and metal oxide. USE - Lithium ion battery cathode material. ADVANTAGE - The material is prepared in a simple manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a lithium ion battery cathode material, which involves adding a metal oxide cathode material to an acidic aqueous solution comprising tin salt, stirring, filtering the mixture and taking the solid substance, washing with water followed by centrifugal separation and drying to obtain the finished product.