{
  "$type": "site.standard.document",
  "description": "The present application discloses a negative electrode, a secondary battery (5) and a device comprising the same. The negative electrode includes: a current collector (521); a first active material layer (522) close to the current collector (521), the first active material layer (522) including a…",
  "path": "/patents/1407733",
  "publishedAt": "2023-10-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The present application discloses a negative electrode, a secondary battery (5) and a device comprising the same. The negative electrode includes: a current collector (521); a first active material layer (522) close to the current collector (521), the first active material layer (522) including a first active material; and a second active material layer (523) disposed on a surface of the first active material layer (522) away from the current collector (521), the second active material layer (523) including a second active material; wherein the first active material and the second active material are independently oval-like particles with through holes and/or blind holes, and the first active material has an average pore size greater than that of the second active material.",
  "title": "NEGATIVE ELECTRODE, SECONDARY BATTERY AND DEVICE COMPRISING SAME"
}