▎ 摘　　要

NOVELTY - A graphene-carbon nanotubes-Super-P (RTM: Conductive carbon black) composite conductive agent comprises 0.01-30 mass% graphene, 0.01-30 mass% carbon nanotubes and Super-P (RTM: Conductive carbon black). USE - Graphene-carbon nanotubes-Super-P (RTM: Conductive carbon black) composite conductive agent for use in power ion battery. ADVANTAGE - The agent has excellent performance, and is simple and low energy consumption. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a composite electric conduction agent slurry, comprises composite electric conduction agent and solvent (2) a method for preparing graphene-carbon nanotubes-Super-P composite conductive agent (3) a method for preparing composite electric conduction agent slurry, which involves taking graphene-carbon nanotubes-Super-P composite conductive agent, adding solvent and performing ultrasonic dispersion for 8-12 minutes to obtain finished product.