{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 93564
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  "description": "A battery cell comprises a cell housing having an accommodation portion accommodating an electrode assembly, a vent hole provided in a portion of the cell housing to communicate externally, and a venting device sealing the vent hole, wherein the venting device comprises a first venting portion…",
  "path": "/patents/1423642",
  "publishedAt": "2026-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/578",
    "SK On Co., Ltd."
  ],
  "textContent": "A battery cell comprises a cell housing having an accommodation portion accommodating an electrode assembly, a vent hole provided in a portion of the cell housing to communicate externally, and a venting device sealing the vent hole, wherein the venting device comprises a first venting portion communicating with the accommodation portion, a second venting portion spaced apart from the first venting portion and communicating externally, a side surface portion in which both open ends are connected to the first venting portion and the second venting portion to form a filtration space, and a filter portion disposed in the filtration space to filter gas.",
  "title": "Battery Cell and Battery Device Including the Same"
}