{
  "$type": "site.standard.document",
  "description": "A battery diagnosis apparatus according to an embodiment of the present disclosure includes: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at different time points for the battery cell; a…",
  "path": "/patents/1401967",
  "publishedAt": "2024-10-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01N27/04",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A battery diagnosis apparatus according to an embodiment of the present disclosure includes: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at different time points for the battery cell; a resistance change rate calculating unit configured to calculate a resistance change rate between the plurality of determined ohmic resistances; a gas generation level determining unit configured to determine an internal gas generation level of the battery cell based on the calculated resistance change rate; and a state diagnosing unit configured to diagnose a state of the battery cell according to the determined internal gas generation level.",
  "title": "BATTERY DIAGNOSING APPARATUS, METHOD AND SYSTEM"
}