{
  "$type": "site.standard.document",
  "description": "An electrochemical apparatus includes a positive electrode sheet including a positive electrode active material layer; a negative electrode sheet including a negative electrode active material layer; and a separator disposed between the positive electrode sheet and the negative electrode sheet. A…",
  "path": "/patents/1320994",
  "publishedAt": "2022-06-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0567",
    "Ningde Amperex Technology Limited"
  ],
  "textContent": "An electrochemical apparatus includes a positive electrode sheet including a positive electrode active material layer; a negative electrode sheet including a negative electrode active material layer; and a separator disposed between the positive electrode sheet and the negative electrode sheet. A mass ratio of fluorine to nitrogen on a surface layer of the positive electrode active material layer is A, a mass ratio of fluorine to nitrogen on a surface layer of the negative electrode active material layer is B, 3≤A≤50, and 30≤B≤300.",
  "title": "ELECTROCHEMICAL APPARATUS, PREPARATION METHOD THEREFOR, AND ELECTRONIC APPARATUS"
}