{
  "$type": "site.standard.document",
  "description": "A fuel cell system that includes an ejector on a path for introducing hydrogen into a fuel cell stack includes a control device, in which the control device acquires impedance when a current value of the fuel cell stack, a coolant temperature at an outlet of the fuel cell stack, and an atmospheric…",
  "path": "/patents/1389715",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M8/04253",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A fuel cell system that includes an ejector on a path for introducing hydrogen into a fuel cell stack includes a control device, in which the control device acquires impedance when a current value of the fuel cell stack, a coolant temperature at an outlet of the fuel cell stack, and an atmospheric pressure, are each within a predetermined range, and when the impedance is greater than a predetermined threshold value, determination is made that the ejector is blocked.",
  "title": "FUEL CELL SYSTEM"
}