{
  "$type": "site.standard.document",
  "description": "A positive active material is provided. In some embodiments, the positive material includes: a substrate and a coating layer coating the substrate, wherein the coating layer includes a fast ion conductor layer and a carbon coating layer, the substrate includes more than one compound of formula (I)…",
  "path": "/patents/1336889",
  "publishedAt": "2023-02-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/5825",
    "Contemporary Amperex Technology Co., Limited"
  ],
  "textContent": "A positive active material is provided. In some embodiments, the positive material includes: a substrate and a coating layer coating the substrate, wherein the coating layer includes a fast ion conductor layer and a carbon coating layer, the substrate includes more than one compound of formula (I): LiFeM1POformula (I), in formula (I), M1 is more than one selected from Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb and Ti, and 0≤a≤0.01; the fast ion conductor layer includes a fast ion conductor of a NASICON structure shown in formula (II), LiFeM2(PO)formula (II), in formula (II), M2 is more than one selected from Ti, Zr, Hf, Ge and Sn with valence of +4, and 0≤b≤1.",
  "title": "POSITIVE ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE"
}