▎ 摘　　要

NOVELTY - The method involves providing an organic carbon source solution for adding organic active material source into organic carbon source solution to mix to form precursor solution. The precursor solution is provided to a surface of a substrate. Precursor solution heat treating is performed to form a precursor film layer. The precursor film layer and the substrate are separated, where the precursor film layer comprises an organic carbon source and an organic active substance source. The organic carbon source is etched to a graphene framework structure of a negative electrode sheet. The organic active material source is etched as a non-carbon active substance of the electrode sheet negative electrode and the non- carbon active substance dispersed in the graphene framework structure body. USE - Method for preparing a negative electrode pole piece of a battery (claimed). ADVANTAGE - The method enables preparing a pole negative electrode, which improves the energy density of the battery monomer, and reduces the internal resistance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: a negative electrode pole piece; a battery monomer; a battery; and an electric device. DESCRIPTION OF DRAWING(S) - The drawing shows an exploded perspective view of a battery (Drawing includes non-English language text).