Pretreating feso4 7h2o in an inert atmosphere or reducing atmosphere below 500℃ to remove the crystalline water means the feso4 h2o iron source; mixing the feso4 h2o iron source prepared by naf and PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC in a container, and the high boiling organic solvent is added to the mixed salt to form a mixed salt solution;
The prepared mixed salt solution is placed in the wet ball mill with a speed between 100-500 r/min, and the mixture is obtained; the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC mixture is placed in a sealed reactor and the same high boiling point organic solvent is added to the reactor; the mixture is placed in an oven between 160-220℃ for 8-50 h, the sodium ion cathode material nafeso4f semi-finished product;
The semi-finished product of the sodium ion cathode material nafeso4f prepared by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC is centrifuged and dried, namely, the sodium ion cathode material nafeso4f. Inert atmosphere or reducing atmosphere is a mixture of n2 or ar or n2, ar and h2.
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