NOVELTY - A synthetic lithium-nickel-cobalt-manganese-oxide electrostatic spinning nano-fiber preparing method involves mixing lithium nitrate, nickel nitrate, cobalt nitrate and manganese acetate into de-ionized water by adding complexing agent polyacrylic acid to obtain mixed solution, which is heated to obtain red transparent solution, which is stirred with polyvinylpyrrolidone to obtain dissolved solution, which is allowed to standing to obtain precursor solution, followed by using electro-spinning process for preparing polyvinylpyrrolidone/ lithium-nickel-cobalt-manganese-oxide composite fiber.    USE - Method for preparing synthetic lithium-nickel-cobalt-manganese-oxide electrostatic spinning nano-fiber for use as anode material that is utilized in lithium ion battery.    ADVANTAGE - The method enables preparing the nano-fiber with better electrochemical performance in a simple, convenient and inexpensive manner.    DETAILED DESCRIPTION - A synthetic lithium-nickel-cobalt-manganese-oxide (LiNi(1/3)Co(1/3)Mn(1/3)O2) electrostatic spinning nano-fiber preparing method involves mixing lithium nitrate, nickel nitrate, cobalt nitrate and manganese acetate at a mol ratio of 3:1:1:1 into de-ionized water by adding complexing agent polyacrylic acid to obtain mixed solution. The mixed solution is heated in a water bath at 60-70 degrees C for 2-3 hours to obtain red transparent solution. The red transparent solution is stirred with polyvinylpyrrolidone for 10-12 hours to fully dissolve uniformly to obtain dissolved solution. The dissolved solution is allowed to standing for 3-4 hours to obtain precursor solution, followed by maintaining ambient temperature of 15-25 degrees C, environment humidity of 35-65%, solidifying distance of 14-19 cm, a needle tube and needle head horizontally inclined angle of 14-16 degrees, using electro-spinning process for preparing polyvinylpyrrolidone/ lithium-nickel-cobalt-manganese-oxide (PVP/LiNi(1/3)Co(1/3)Mn(1/3)O2) composite fiber, and using spinning solution with stainless steel as conductive rod, and aluminum foil as a cathode receiving device. The obtained composite fiber is preparing-heated in a tubular furnace in air at 300-350 degrees C, followed by controlling the temperature for 5-7 hours. The resultant fiber is cooled naturally. The cooled fiber is placed in argon atmosphere vacuum tube-type furnace at 600-800 degrees C for 2 hours, followed by reducing the temperature from 250 degrees C to 200 degrees C. The resultant fiber is cooled naturally to room temperature to obtain finished product.