{
  "$type": "site.standard.document",
  "description": "Battery system (10) comprising a battery casing with a vent opening (18) and a ventilation device (12) and ventilation device (12) comprising a first membrane (24) adapted to ensure pressure balance between the inside of the battery casing (14) and its environment during normal operation conditions…",
  "path": "/patents/1394890",
  "publishedAt": "2025-02-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/48",
    "NEWFREY LLC [US]"
  ],
  "textContent": "Battery system (10) comprising a battery casing with a vent opening (18) and a ventilation device (12) and ventilation device (12) comprising a first membrane (24) adapted to ensure pressure balance between the inside of the battery casing (14) and its environment during normal operation conditions of the battery system and a second membrane (26) adapted to ensure an emergency venting in case of technical defect within the battery system (10).",
  "title": "VENTILATION DEVICE FOR A BATTERY"
}