▎ 摘　　要

NOVELTY - Non-negative electrode lithium metal battery negative electrode comprises the negative electrode base body of the current collector, a reducing graphene oxide layer, set on the surface of the base body of the current collector negative electrode a lithium modification layer, loaded on the surface of the reduction-oxidation graphene layer. The lithium modification layer comprises a nitrogen-doped carbon material layer and a lithium metal element dispersed in the nitrogen-doped carbon material layer. USE - Non-negative electrode lithium metal battery. ADVANTAGE - The battery has improved the metallophilicity of the interface negative electrode, reduces the dosage of the lithium metal material, saved the material cost, and reduced the subsequent application process volume expansion. It can effectively reduce the lithium nucleation over-battery which is good for the deposition initially inducing lithium ion diffusion and uniform nucleation and has improved the battery circulation efficiency and safety stability. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: 1. a method for preparing lithium metal battery negative electrode, which involves coating the surface of the negative electrode body with a graphene oxide layer, mixing the lithium metal ion source with Tris buffer solution than adding dopamine, preparing precursor solution, processing negative electrode of the base body of the current collector in the precursor solution for the polymerization reaction, carrying out pyrolysis treatment to the base body of the current collector negative electrode under the inert atmosphere to obtain the non-negative electrode lithium metal battery negative electrode; and 2. a non-negative electrode lithium metal battery, which comprises the lithium metal battery any negative electrode of the lithium metal battery negative electrode any one of the preparation methods of the nonnegative electrode lithium metal battery of the preparation method of the non-negative electrode lithium metal battery negative electrode.