Material of ternaries co-doped with lithium manganese iron phosphate, preparation method thereof, and battery
AssigneeEve Power Co., Ltd.
InventorsTINGTING WU, LIN ZHANG, DINGDING YUAN
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Abstract
A material of ternaries co-doped with lithium manganese iron phosphate, a method of manufacturing the material, and an application of the material are provided. The material of ternaries co-doped with lithium manganese iron phosphate includes a monocrystalline ternary, a polycrystalline ternary, and lithium manganese iron phosphate. A particle size distribution of the monocrystalline ternary in the present disclosure is between the large particles of the polycrystalline ternary and the small particles of the lithium manganese iron phosphate.
Claims20
A material of ternaries co-doped with lithium manganese iron phosphate, comprising a monocrystalline ternary, a polycrystalline ternary, and lithium manganese iron phosphate,
- wherein a particle size distribution of the monocrystalline ternary is between the polycrystalline ternary and the lithium manganese iron phosphate;
- and
- the particle size distribution of each substance is determined as:
- (particle size Dv90 of the substance−particle size Dv10 of the substance)/particle size Dv50 of the substance.
A method of preparing a material of ternaries co-doped with lithium manganese iron phosphate, comprising:
- mixing a monocrystalline ternary, a polycrystalline ternary, and lithium manganese iron phosphate according to a grading formula to obtain the material of ternaries co-doped with lithium manganese iron phosphate;
- wherein the grading formula is as follows:
- C/(A+B)=α/(1−α), 0.5≤α<1,
- A/B=β/(1−β), 0.6≤β<1;
- and
- wherein a particle size distribution of the monocrystalline ternary is between the polycrystalline ternary and the lithium manganese iron phosphate;
- and
- the particle size distribution of each substance is determined as:
- (particle size Dv90 of the substance−particle size Dv10 of the substance)/particle size Dv50 of the substance.
A battery, comprising a positive electrode, wherein the positive electrode comprises a material of ternaries co-doped with lithium manganese iron phosphate;
- the material comprises a monocrystalline ternary, a polycrystalline ternary, and lithium manganese iron phosphate,
- wherein a particle size distribution of the monocrystalline ternary is between the polycrystalline ternary and the lithium manganese iron phosphate;
- and
- the particle size distribution of each substance is determined as:
- (particle size Dv90 of the substance−particle size Dv10 of the substance)/particle size Dv50 of the substance.
Dependencies are inferred from the claim text.