{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A fuel cell system (15) includes: a fuel cell stack (600); a first cooling medium circuit (505) through which a cooling medium for cooling the fuel cell stack (600) flows; an ion exchanger (540) that removes ions in the cooling medium; a second cooling medium circuit (705) in which the average ion…",
  "path": "/patents/1432822",
  "publishedAt": "2021-10-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M8/04029",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A fuel cell system (15) includes: a fuel cell stack (600); a first cooling medium circuit (505) through which a cooling medium for cooling the fuel cell stack (600) flows; an ion exchanger (540) that removes ions in the cooling medium; a second cooling medium circuit (705) in which the average ion concentration of the cooling medium is lower than that of the cooling medium in the first cooling medium circuit (505); a switching valve (740) that switches between a flow state and a low flow state; a pump (725) configured to cause the cooling medium in the second cooling medium circuit (705) to flow into the first cooling medium circuit (505); and a control unit (900) that, when a stop period of the fuel cell system (15) is longer than a reference period, drives the pump (725) with the switching valve (740) switched to the flow state after the instruction to start the fuel cell system (15) is input.",
  "title": "FUEL CELL SYSTEM"
}