{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreic7lcz4x64kutjimkjvhxgrpkterckmf6cxwwhy6sbpqnu673gnlm"
    },
    "mimeType": "image/png",
    "size": 106575
  },
  "description": "A method of manufacturing a power storage device includes: producing an electrode assembly having a first electrode tab group; and forming a joining portion at which first electrode tabs in the first electrode tab group are joined together by applying vibration to the first electrode tab group by a…",
  "path": "/patents/1385775",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/536",
    "Prime Planet Energy & Solutions, Inc."
  ],
  "textContent": "A method of manufacturing a power storage device includes: producing an electrode assembly having a first electrode tab group; and forming a joining portion at which first electrode tabs in the first electrode tab group are joined together by applying vibration to the first electrode tab group by a horn in a state in which the first electrode tab group is sandwiched between the horn and an anvil in a stacking direction of the first electrode tabs, wherein a line-shaped protuberance is provided in a surface of one of the horn and the anvil, the surface being to be in abutment with a first outer surface of the first electrode tab group, and in the forming the joining portion, the vibration is applied in a state in which the line-shaped protuberance is in abutment with the first outer surface of the first electrode tab group.",
  "title": "POWER STORAGE DEVICE AND METHOD OF MANUFACTURING SAME"
}