▎ 摘　　要

NOVELTY - A graphene modified nickel lithium manganate preparation method involves preparing nickel-manganese acid lithium containing composite oxide by utilizing soluble lithium salt, manganese salt, nickel salt, complexing agent and ammonia water. A graphite oxide is prepared by using flake graphite. The graphite oxide is stripped and functionalized by utilizing methyl blue to obtain modified graphene. The particle surface of the nickel-manganese acid lithium containing composite oxide is modified by utilizing the modified graphene to obtain the graphene modified nickel lithium manganate. USE - Method for preparing a graphene modified nickel lithium manganate. ADVANTAGE - The method enables preparing the graphene modified nickel lithium manganate with increased conductivity of a lithium ion battery anode material and better multiplying power charging and discharging performances under normal temperature and high temperature environment, in a simple, cost-effective and efficient manner. DETAILED DESCRIPTION - A graphene modified nickel lithium manganate preparation method involves preparing a nickel-manganese acid lithium containing composite oxide by utilizing soluble lithium salt, manganese salt, nickel salt, complexing agent and ammonia water by using a sol-gel method. A graphite oxide is prepared by taking flake graphite as a raw material by using a Hummers method. The graphite oxide is stripped and functionalized by utilizing methyl blue during chemical reduction to obtain modified graphene. The particle surface of the nickel-manganese acid lithium containing composite oxide is modified by utilizing the modified graphene to obtain the graphene modified nickel lithium manganate. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram illustrating a method for preparing the graphene modified nickel lithium manganate.'(Drawing includes non-English language text)'