{
  "$type": "site.standard.document",
  "description": "A secondary battery includes a can accommodating an electrode assembly, a cap plate joined to an opened upper end of the can, the cap plate including an injection port for an electrolyte to pass therethrough, and a sealing portion joined to an inner surface of the cap plate aligned with the…",
  "path": "/patents/1378452",
  "publishedAt": "2026-02-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/645",
    "SAMSUNG SDI CO., LTD."
  ],
  "textContent": "A secondary battery includes a can accommodating an electrode assembly, a cap plate joined to an opened upper end of the can, the cap plate including an injection port for an electrolyte to pass therethrough, and a sealing portion joined to an inner surface of the cap plate aligned with the injection port, the sealing portion selectively contacting the injection port through elastic restoring force.",
  "title": "SECONDARY BATTERY AND MAINTENANCE METHOD OF SECONDARY BATTERY"
}