▎ 摘　　要

NOVELTY - An electronic cigarette is powered by lithium battery including a conductive composite comprising electrically conductive auxiliary agent and electrode active material. The auxiliary agent is graphene-pyrolysis reduced coke-tin composite material (1). USE - Electronic cigarette. ADVANTAGE - By designing a conductive material with a specific structure and a positive electrode material to form a composite, the battery is discharged smoothly at high voltage and high capacity density, suitable for discharge at high rate, and has a high cycle life. The method has high yield and low cost, uses raw materials that are easily available, and is suitable for industrial application. DETAILED DESCRIPTION - An electronic cigarette is powered by lithium battery including a conductive composite comprising electrically conductive auxiliary agent and electrode active material. The auxiliary agent is graphene-pyrolysis reduced coke-tin composite material of formula LiNi1-x-yMxSnyBO3-zCl2z (1). M=Ti, Cr, Mg, Al, Cu, and/or Zn; x=0-0.311; y=0-0.386; and z=0-0.136. An INDEPENDENT CLAIM is included for preparation of electronic cigarette comprising preparing electrically conductive auxiliary agent, preparing electrode active material, placing the products in ultrasonic vessel, ultrasonically mixing for 2-10 hours, ultrasonically dispersing in water at ultrasonic frequency of 500-1000 KHz, filtering the solid product, drying, putting in mortar, and dry milling for 5-12 hours.