{
  "$type": "site.standard.document",
  "description": "A battery diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain open circuit voltage (OCV) data of a plurality of battery units, a deviation calculating unit configured to calculate OCV variances of the plurality of battery units in a first…",
  "path": "/patents/1427449",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R19/00",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A battery diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain open circuit voltage (OCV) data of a plurality of battery units, a deviation calculating unit configured to calculate OCV variances of the plurality of battery units in a first time period, based on the OCV data and calculate an OCV deviation with respect to an average, which is a difference between an average OCV variance of the plurality of battery units and an OCV variance of a target battery unit among the plurality of battery units, a standard deviation calculating unit configured to calculate a first determination value indicating a standard deviation of an OCV deviation with respect to an average for the target battery unit in a second time period, and a diagnosing unit configured to diagnose abnormality of the target battery unit based on the first determination value of the target battery unit.",
  "title": "BATTERY DIAGNOSIS DEVICE AND METHOD FOR OPERATING SAME"
}