▎ 摘　　要

NOVELTY - Preparing multi-component composite nanometer energy storage material involves mixing two or more inorganic hydrated salt to obtain base material, hydrolyzing silicon source under acidic condition, adding pore-forming agent to heat, stirring to obtain nano-silica sol, adding a crystal nucleus promoter to the obtained nano-silica sol, condensing under alkaline condition to obtain a nano-silica gel, adding a thermal conductivity enhancer to the nano-silicon gel, heating, stirring to obtain a high thermal conductivity nano-silicon gel, and adding the obtained high thermal conductivity nano-silicon gel into the base material. USE - Method for preparing multi-component composite nanometer energy storage material. ADVANTAGE - The prepared multi-component composite nanometer energy storage material has no supercooling, no phase separation, good cycle stability and high energy storage efficiency. DETAILED DESCRIPTION - Preparing multi-component composite nanometer energy storage material involves mixing two or more inorganic hydrated salt to obtain base material, hydrolyzing silicon source under acidic condition, adding pore-forming agent to heat, stirring to obtain nano-silica sol, adding a crystal nucleus promoter to the obtained nano-silica sol, condensing under alkaline condition to obtain a nano-silica gel, adding a thermal conductivity enhancer to the nano-silicon gel, heating, stirring to obtain a high thermal conductivity nano-silicon gel, adding the obtained high thermal conductivity nano-silicon gel into the base material, adding temperature adjustment aid, heating, stirring, dispersing uniformly, and cooling to obtain a multi-component composite nano -energy storage material where the multi-component composite nano energy storage material comprises 60-90 wt.% base material, 5-20 wt.% nano-silicon gel, 0.5-10 wt.% thermal conductivity enhancer, 0.5-10 wt.% temperature adjustment aid, and the sum of the portion by weight of the raw material is 100 wt.%. An INDEPENDENT CLAIM is included for a multi-component composite nanometer energy storage material is prepared by the preparation method.