{
  "$type": "site.standard.document",
  "description": "A battery diagnosing apparatus according to an embodiment of the present disclosure includes: a measuring unit configured to measure discharge capacity and temperature of a battery; an ohmic resistance determining unit configured to determine an ohmic resistance of the battery based on an impedance…",
  "path": "/patents/1402415",
  "publishedAt": "2024-09-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/36",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A battery diagnosing apparatus according to an embodiment of the present disclosure includes: a measuring unit configured to measure discharge capacity and temperature of a battery; an ohmic resistance determining unit configured to determine an ohmic resistance of the battery based on an impedance profile generated for the battery; and a control unit configured to calculate a capacity change rate by comparing the discharge capacity of the battery measured by the measuring unit with a reference capacity, calculate a resistance change rate by comparing the ohmic resistance determined by the ohmic resistance determining unit with a reference resistance, judge an internal gas generation level of the battery by comparing magnitudes of the calculated resistance change rate and a criterion resistance change rate, and judge an internal gas generation cause of the battery by comparing magnitudes of the calculated capacity change rate and a criterion capacity change rate.",
  "title": "BATTERY DIAGNOSTIC APPARATUS AND METHOD"
}