{
  "$type": "site.standard.document",
  "description": "The application provides a secondary battery and a device including the same. The second battery includes: a negative electrode plate, the negative electrode plate including a negative active material; a separation film, the separation film including a base material and a coating arranged on at…",
  "path": "/patents/1414507",
  "publishedAt": "2023-02-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The application provides a secondary battery and a device including the same. The second battery includes: a negative electrode plate, the negative electrode plate including a negative active material; a separation film, the separation film including a base material and a coating arranged on at least one surface of the base material; and an electrolyte, the electrolyte including an organic solvent, where the negative active material includes a silicon-based material and a carbon material; thickness of the base material of the separation film is 7µm~12µm; and the organic solvent includes ethylene carbonate, and a weight ratio of the ethylene carbonate in the organic solvent is ≤20%.The secondary battery and the device including the same, which are provided by the application, in the premise of having high energy density, can also have good high-temperature cycle performance, good high-temperature storage performance, and low low-temperature direct current resistance.",
  "title": "SECONDARY BATTERY AND DEVICE COMPRISING THE SECONDARY BATTERY"
}