PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC The prepared sodium ion cathode material has the advantages of low cost, high capacity and good cycle stability, so the preparation method is suitable for promotion and application in the field of chemical power supply. Preparation method of cathode material for sodium ion battery, dissolve iron salt in fluorine-containing ion liquid,
The resulting mixed solution was mixed with carbon source and sodium ion cathode material for solvent thermal reaction to obtain iron-based fluoride and carbon in situ coated modified composite sodium ion battery cathode material. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC The mass ratio of sodium ion cathode material, iron salt and carbon source is 1: (0.01~0.5): (0.01~0.5). Iron salt is the trivalent iron salt. The carbon source is at least one of carbon black, graphite, graphene, carbon nanotubes, carbon fiber, hard carbon, and carbon microspheres.
The fluorine-containing ionic liquid is at least one of the tetrafluoroborate ionic liquid and hexafluorophosphate ionic liquid. The reaction temperature for solvent heat ranged from 50℃ to 120℃, ranging from 5 h to 12 h. Iron-based fluoride of at least one type. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC Remove the iron (FE2O3) from the sodium ion cathode material.
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