{
  "$type": "site.standard.document",
  "description": "The present application provides an electrode assembly, a battery and a manufacture method thereof, relating to the technical field of batteries, and for solving problems that the edge of an existing electrode piece has burrs and the risk of breakage of electrode piece during winding. The electrode…",
  "path": "/patents/1388385",
  "publishedAt": "2026-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0431",
    "ZHUHAI COSMX BATTERY CO LTD [CN]"
  ],
  "textContent": "The present application provides an electrode assembly, a battery and a manufacture method thereof, relating to the technical field of batteries, and for solving problems that the edge of an existing electrode piece has burrs and the risk of breakage of electrode piece during winding. The electrode assembly includes a separator, and a first electrode piece and a second electrode piece oppositely disposed on both sides of the separator; the first electrode piece includes a first tab and a first active material layer located on a surface of a side of the first electrode piece, the first active material layer is provided with a first tab mounting groove, and a reserved area is provided between one side of the first tab mounting groove and an edge of the first active material layer along a first direction; a portion of the first tab is connected within the first tab mounting groove, and the first tab covers a portion of the reserved area to form a joint; the second electrode piece includes a second active material layer located on a surface of a side of the second electrode piece, and the second active material layer is provided with a groove opposite to the joint. The electrode assembly provided by the present application is used for manufacturing a battery, and can reduce the overall thickness of the battery.",
  "title": "ELECTRODE ASSEMBLY, BATTERY AND MANUFACTURING METHOD THEREFOR"
}