{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "To improve economical efficiency, responsiveness and durability of a power generation system combining a fuel cell and secondary cell. (Constitution) A fuel cell system includes a fuel cell that supplies an oxidizer containing oxygen to a positive electrode, supplies a fuel gas containing hydrogen…",
  "path": "/patents/1094057",
  "publishedAt": "2003-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M16/003",
    "MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]"
  ],
  "textContent": "To improve economical efficiency, responsiveness and durability of a power generation system combining a fuel cell and secondary cell. (Constitution) A fuel cell system includes a fuel cell that supplies an oxidizer containing oxygen to a positive electrode, supplies a fuel gas containing hydrogen to a negative electrode and generates power, a battery containing at least water as an electrolyte, a hydrogen tank that stores hydrogen generated from the battery and a hydrogen pipe that supplies hydrogen in the hydrogen tank to the fuel cell.",
  "title": "Fuel cell system and method of operating fuel cell system"
}