{
  "$type": "site.standard.document",
  "description": "A battery diagnostic device according to an embodiment disclosed herein may include an interface configured to acquire a voltage value of one or more battery cells measured during a designated time interval and acquire an external temperature of the battery cells, and a controller configured to…",
  "path": "/patents/1427220",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R19/10",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A battery diagnostic device according to an embodiment disclosed herein may include an interface configured to acquire a voltage value of one or more battery cells measured during a designated time interval and acquire an external temperature of the battery cells, and a controller configured to calculate a difference between voltage values at two points in time included in the designated time interval, select a discharge threshold corresponding to the external temperature and a target point in time of the two points in time, and diagnose a state of the battery cells by comparing the discharge threshold with the difference.",
  "title": "BATTERY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF"
}