{
  "$type": "site.standard.document",
  "description": "A battery pack includes a plurality of secondary battery cells, each of which has a cylindrical outer can and includes one or more gas discharge ports on a circular end face of the outer can, an outer case that stores the plurality of secondary battery cells, and one or more lead plates coupled to…",
  "path": "/patents/1426805",
  "publishedAt": "2026-06-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/507",
    "Panasonic Energy Co., Ltd."
  ],
  "textContent": "A battery pack includes a plurality of secondary battery cells, each of which has a cylindrical outer can and includes one or more gas discharge ports on a circular end face of the outer can, an outer case that stores the plurality of secondary battery cells, and one or more lead plates coupled to one or more end faces of the plurality of secondary battery cells. The battery pack also includes a path defining portion that defines a gas discharge path, disposed to face at least one of the one or more gas discharge ports. The path defining portion defines a first path along a first direction that extends from a center toward a circumference of a circular shape of an end face of the outer can, and a second path along a second direction that extends from the circumference toward the center of the circular shape of the end face of the outer can.",
  "title": "BATTERY PACK"
}