| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a negative electrode material for a nonaqueous electrolyte secondary battery capable of obtaining a nonaqueous electrolyte secondary battery having excellent discharge capacity, charge/discharge efficiency, cycle, and charge load characteristics and capable of reducing use of a solvent which is expensive and contains much toxic substance during the manufacturing process, to provide the negative electrode for nonaqueous electrolyte secondary battery that uses such negative electrode material as obtained by the manufacturing method, and to provide the nonaqueous electrolyte secondary battery which uses that negative electrode for the nonaqueous electrolyte secondary battery and is suitable for portable electronic equipment, electric vehicle, and power storage requiring high-speed charging. <P>SOLUTION: The manufacturing method of the negative electrode material for a nonaqueous electrolyte secondary battery includes a process for preparing a solution A by dissolving polymer organics in a solvent, a process for preparing a solution B by mixing the solution A, water, and dispersant for emulsification, a process for preparing a mixture C by mixing the solution B with carbon particles, and a process for baking the mixture C in inactive atmosphere. <P>COPYRIGHT: (C)2009,JPO&INPIT |
