▎ 摘　　要

NOVELTY - The piece has a single graphene coating aluminum foil matched with a nano-carbon fiber slurry. A single graphene slurry is coated with nano-carbon fiber sizing agent. Viscosity of the nano-carbon fiber slurry is about 5000-8000mPa. The single graphene slurry is formed as single graphite alkene material. Graphene content is contained with 99 wt.% of solvent content. A battery is connected with an electrode piece part that is contained with bonding agent. The nano-carbon fiber is contained with 96.5 wt.% of active substance content and 4.5 wt.% of binder content. USE - Positive electrode piece. ADVANTAGE - The piece reduces direct current resistance of anode, wide range of application, reduces energy consumption, improves lithium ion battery diffusion speed, shortens diffusion path and reduces direct current internal resistance of cell, and increases performance rate of lithium ion battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a positive electrode piece preparation method. DESCRIPTION OF DRAWING(S) - The drawing shows a front view of a positive electrode piece.