NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

In the present invention, negative electrode active material particles for a nonaqueous electrolyte secondary battery which can suppress decrease of charging and discharging cycle characteristics, are each provided with: a composite particle that includes a silicate phase and silicon particles dispersed in the silicate phase; and a surface layer that covers the composite particle, wherein the surface layer includes a fluorine resin.