| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a negative electrode material for a nonaqueous electrolyte secondary battery, excellent in a yield.SOLUTION: The manufacturing method of a negative electrode material for a nonaqueous electrolyte secondary battery includes: (1) a pulverization step of pulverizing a carbonaceous precursor to make fine powdery particles; (2) a particle generating step of obtaining compact particles by molding the fine powdery particles; (3) a sizing step of obtaining sized compact particles by sizing the compact particles to remove fine powder; and (4) a sintering step of sintering the sized compact particles.SELECTED DRAWING: Figure 1 |
