{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    },
    "mimeType": "image/png",
    "size": 84220
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  "description": "The present invention provides a secondary battery having enhanced durability, reinforced cap plate stiffness and reduced cell weight. Disclosed as an example is a secondary battery having: an electrode assembly; a case for accommodating the electrode assembly; a cap plate coupled to the case to…",
  "path": "/patents/1396964",
  "publishedAt": "2026-03-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0431",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "The present invention provides a secondary battery having enhanced durability, reinforced cap plate stiffness and reduced cell weight. Disclosed as an example is a secondary battery having: an electrode assembly; a case for accommodating the electrode assembly; a cap plate coupled to the case to seal the electrode assembly; a terminal connected to the electrode assembly and exposed through the cap plate; and a protrusion protruding toward the terminal in the area in which the terminal of the cap plate is coupled.",
  "title": "SECONDARY BATTERY"
}