{
  "$type": "site.standard.document",
  "description": "Disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; an electrode lead electrically connected to an electrode tab included in the electrode assembly…",
  "path": "/patents/1399343",
  "publishedAt": "2025-04-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/04",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "Disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; an electrode lead electrically connected to an electrode tab included in the electrode assembly and protruding out of the battery case via the sealing portion; and a lead film located at a portion corresponding to the sealing portion in at least one of an upper portion and a lower portion of the electrode lead, wherein the lead film has a dented portion that is recessed in an inner direction of the battery case, the dented portion is opened toward the outside of the battery case, the sealing portion located on a gas inlet portion of the dented portion has a recessed sealing portion that is recessed outward from an inner side of the battery case, and the recessed sealing portion does not overlap with at least a part of the gas inlet portion on a plane.",
  "title": "BATTERY CELL AND BATTERY CELL MANUFACTURING APPARATUS"
}