▎ 摘　　要

NOVELTY - Anode composite material comprises a lithium-iron-manganese phosphate material (10) and a coating layer (20) coated on the surface of the lithium-iron-manganese phosphate material. The coating layer comprises a high-nickel ternary material, and the half-peak width of (003) crystal plane diffraction peak in XRD pattern of the high-nickel ternary material is less than or equal to 0.09degrees. The coating layer is further doped with a first conductive agent (30). The first conductive agent is linear and/or planar. The linear first conductive agent comprises carbon fiber and/or carbon nanotube. The planar first conductive agent comprises graphene and/or graphite flakes. USE - Used as anode composite material. ADVANTAGE - The material: improves manganese dissolution phenomenon of lithium-iron-manganese phosphate material through the setting of the high nickel ternary material coating layer and first conductive agent, improves structural stability, and electrical conductivity without reducing compaction density of the pole piece. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing anode composite material; (2) an anode; and (3) a lithium-ion battery. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the anode composite material. Lithium-iron-manganese phosphate material (10) Coating layer (20) First conductive agent (30)