{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A separator includes a base film and an organic coating disposed on one surface of the base film. The organic coating contains a first polymer and a second polymer. A melting point T of the first polymer satisfies 60° C.≤T≤100° C., and a swelling degree D of the second polymer during placement in…",
  "path": "/patents/1423478",
  "publishedAt": "2026-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "Ningde Amperex Technology Limited"
  ],
  "textContent": "A separator includes a base film and an organic coating disposed on one surface of the base film. The organic coating contains a first polymer and a second polymer. A melting point T of the first polymer satisfies 60° C.≤T≤100° C., and a swelling degree D of the second polymer during placement in an electrolyte solution at 60° C. for 24 h satisfies D≤30%.",
  "title": "SEPARATOR, SECONDARY BATTERY, ELECTROCHEMICAL DEVICE, AND ELECTRIC DEVICE"
}