{
  "$type": "site.standard.document",
  "description": "An electrochemical apparatus includes a positive electrode plate including a positive electrode active material layer; a negative electrode plate including a negative electrode active material layer; and a separator disposed between the positive electrode plate and the negative electrode plate. A…",
  "path": "/patents/1320991",
  "publishedAt": "2022-06-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0562",
    "Ningde Amperex Technology Limited"
  ],
  "textContent": "An electrochemical apparatus includes a positive electrode plate including a positive electrode active material layer; a negative electrode plate including a negative electrode active material layer; and a separator disposed between the positive electrode plate and the negative electrode plate. A mass ratio of fluorine to sulfur in a surface layer of the positive electrode active material layer is A, and a mass ratio of fluorine to sulfur in a surface layer of the negative electrode active material layer is B, where 30≤A≤300, and 5≤B≤50.",
  "title": "ELECTROCHEMICAL APPARATUS, PREPARATION METHOD THEREOF, AND ELECTRONIC APPARATUS"
}