{
  "$type": "site.standard.document",
  "description": "The application provides a secondary battery and an apparatus including the same. The secondary battery includes a negative electrode plate and an electrolyte; the negative electrode plate includes a negative current collector and a negative electrode film disposed on at least one surface of the…",
  "path": "/patents/1415511",
  "publishedAt": "2024-01-31T00:00:00.000Z",
  "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 an apparatus including the same. The secondary battery includes a negative electrode plate and an electrolyte; the negative electrode plate includes a negative current collector and a negative electrode film disposed on at least one surface of the negative current collector and including a negative active material; and the electrolyte includes electrolyte salt and an organic solvent, where the negative active material includes a silicon-based material; and the organic solvent contains ethylene carbonate (EC) and ethyl methyl carbonate (EMC), a weight ratio of the ethylene carbonate (EC) in the organic solvent is less than or equal to 10%, and a weight ratio of the ethyl methyl carbonate (EMC) in the organic solvent is 70% to 95%. According to the application, the secondary battery and the apparatus including the same, in the premise of having a high energy density, can simultaneously have good high-temperature storage performance and high-temperature cycle performance.",
  "title": "SECONDARY BATTERY AND APPARATUS CONTAINING SECONDARY BATTERY"
}