{
  "$type": "site.standard.document",
  "description": "A positive electrode active material has a chemical formula of NaANiFeMnCuAO, where A is selected from at least one of Zn, Mg, Ca, K, and Li, and the following conditions are satisfied: (1) 0.67≤x≤0.85, 0.01≤y≤0.2, and x+y≤1; (2) 0.11≤a≤0.33, 0.11≤b≤0.33, 0.33≤c≤0.66, 0.11≤d≤0.33, 0≤e≤0.1, and…",
  "path": "/patents/1382152",
  "publishedAt": "2026-05-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G45/1228",
    "Ningbo Ronbay New Energy Technology Co.,Ltd."
  ],
  "textContent": "A positive electrode active material has a chemical formula of NaANiFeMnCuAO, where A is selected from at least one of Zn, Mg, Ca, K, and Li, and the following conditions are satisfied: (1) 0.67≤x≤0.85, 0.01≤y≤0.2, and x+y≤1; (2) 0.11≤a≤0.33, 0.11≤b≤0.33, 0.33≤c≤0.66, 0.11≤d≤0.33, 0≤e≤0.1, and a+b+c+d=1; (3) n satisfies that an algebraic sum of positive and negative valences in the chemical formula equals zero; under same values of x, a, b, c, d, and n, a sodium layer spacing in an unit cell of the positive electrode active material is reduced by 0.005 Å-0.115 Å compared to that of NaNiFeMnCuO.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE SHEET, AND SODIUM-ION BATTERY"
}