METHOD FOR MANUFACTURING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND ELECTROCHEMICAL CAPACITOR

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing a negative electrode active material for a nonaqueous electrolyte secondary battery which allows the continuous mass production of a negative electrode active material of a nonaqueous electrolyte secondary battery having a high capacity and a high-level cycle performance, and to provide a negative electrode active material for a nonaqueous electrolyte secondary battery, a lithium ion secondary battery, and an electrochemical capacitor.SOLUTION: In the method for manufacturing a negative electrode active material for a nonaqueous electrolyte secondary battery such that the surface of a material capable of occluding and releasing lithium ions is covered with a graphite coating, the step of covering the surface of the material with graphite coating is performed in a continuous furnace.