{
  "$type": "site.standard.document",
  "description": "A welding device according to an embodiment of the present disclosure includes a welding rod configured to be inserted into a winding center hole provided at a winding center of an electrode assembly inserted into a battery can to weld an electrode tab of the electrode assembly or an electric…",
  "path": "/patents/1395082",
  "publishedAt": "2025-11-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K11/002",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A welding device according to an embodiment of the present disclosure includes a welding rod configured to be inserted into a winding center hole provided at a winding center of an electrode assembly inserted into a battery can to weld an electrode tab of the electrode assembly or an electric connection component coupled with the electrode tab to a bottom surface of the battery can, and the welding rod includes: a center rod located at a center of the welding rod in a diameter direction; and an exterior cover configured to cover an outer circumference of the center rod and installed to be movable in a first direction away from the center rod and in a second direction closer to the center rod.",
  "title": "WELDING DEVICE FOR CYLINDRICAL BATTERY CELL"
}