{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreiap6stuapviucggqvetqj4nzzv3asnac3vpwxkk2a5p4irzfonsue"
    },
    "mimeType": "image/png",
    "size": 84629
  },
  "description": "A jelly roll includes: a negative electrode sheet and a positive electrode sheet, where along a first direction, the negative electrode sheet includes a negative electrode current collector having a first surface being provided with a first coating layer and a second surface being provided with a…",
  "path": "/patents/1385657",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0431",
    "ZHUHAI COSMX BATTERY CO., LTD."
  ],
  "textContent": "A jelly roll includes: a negative electrode sheet and a positive electrode sheet, where along a first direction, the negative electrode sheet includes a negative electrode current collector having a first surface being provided with a first coating layer and a second surface being provided with a second coating layer; the first coating layer is provided with multiple grooves, and centers of two adjacent grooves are spaced apart by a first distance; the positive electrode sheet is provided with multiple convex parts and concave parts corresponding to the convex parts, and a surface on which the convex parts of the positive electrode sheet are located is opposite to a surface on which the grooves of the negative electrode sheet are located; and along a width direction of the grooves, a size of projections of the convex parts on the negative electrode sheet is greater than the first distance.",
  "title": "JELLY ROLL AND BATTERY"
}