{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An apparatus of a fuel cell system may perform a method comprising, based on entry into an idle operation state of a fuel cell stack of the fuel cell system after start-up of the fuel cell system, controlling airflow to the fuel cell stack such that a current of the fuel cell stack converges to a…",
  "path": "/patents/1385646",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M8/04992",
    "Hyundai Motor Company"
  ],
  "textContent": "An apparatus of a fuel cell system may perform a method comprising, based on entry into an idle operation state of a fuel cell stack of the fuel cell system after start-up of the fuel cell system, controlling airflow to the fuel cell stack such that a current of the fuel cell stack converges to a predetermined current, based on the current of the fuel cell stack converging to the predetermined current, controlling a voltage drop slope of a fuel-cell direct current DC-DC converter (FDC), and controlling, based on the controlled voltage drop slope of the FDC, an operation of the fuel cell stack.",
  "title": "METHOD OF CONTROLLING OPENING DEGREE OF AIR FLOW RATE CONTROL VALVE IN FUEL CELL STACK AND APPARATUS"
}