| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of producing a negative electrode active material for lithium secondary battery having a high capacity where the active material having a uniform particle size is dispersed well without being aggregated and excellent coulomb efficiency and cycle life characteristics are ensured, and to provide a lithium secondary battery. <P>SOLUTION: The method of producing a negative electrode active material for lithium secondary battery includes a step for preparing a mixture of a silicon precursor, a surfactant containing ammonium halide salts having an organic group, an initiator, and a solvent, a step for heat-treating the mixture, a step for cooling and cleaning the resultant product of heat treatment at room temperature, and a step for burning the resultant product obtained by cleaning. <P>COPYRIGHT: (C)2012,JPO&INPIT |
