{
  "$type": "site.standard.document",
  "description": "A secondary battery including a case having a bottom surface, the bottom surface including a recessed portion and a non-recessed portion, the recessed portion being recessed into an interior of the case, and the non-recessed portion being flat, and an upper surface facing the bottom surfaces, the…",
  "path": "/patents/1378159",
  "publishedAt": "2026-01-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/103",
    "SAMSUNG SDI CO., LTD."
  ],
  "textContent": "A secondary battery including a case having a bottom surface, the bottom surface including a recessed portion and a non-recessed portion, the recessed portion being recessed into an interior of the case, and the non-recessed portion being flat, and an upper surface facing the bottom surfaces, the upper surfaces including a cap assembly, and an electrode assembly accommodated in the case.",
  "title": "SECONDARY BATTERY HAVING CASE WITH RECESSED PORTION AND MANUFACTURING METHOD THEREOF"
}