{
  "$type": "site.standard.document",
  "description": "A pouch type battery case according to the present invention includes a cup portion provided with an accommodation space for accommodating an electrode assembly, a terrace portion along a perimeter of the accommodation portion, and a gas discharge portion, wherein the gas discharge portion includes…",
  "path": "/patents/1427412",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/105",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A pouch type battery case according to the present invention includes a cup portion provided with an accommodation space for accommodating an electrode assembly, a terrace portion along a perimeter of the accommodation portion, and a gas discharge portion, wherein the gas discharge portion includes at least one through hole formed in the cup portion or the terrace portion and a gas permeable film covering the through hole, the gas permeable film is sealed to the battery case to form a sealing region around the through hole, and the gas discharge portion has an anti-venting index (AVI) of 3.0 or less. The gas discharge portion satisfying the above anti-venting index has a relatively low operating pressure, allowing for efficient gas discharge, and has a high pressure for complete venting, allowing for excellent durability, thereby providing a pouch type secondary battery exhibiting improved safety and lifespan.",
  "title": "POUCH-TYPE BATTERY CASE AND LITHIUM SECONDARY BATTERY COMPRISING SAME"
}