{
  "$type": "site.standard.document",
  "description": "The present invention provides a fuel cell separator comprising a metallic substrate and an amorphous carbon film covering at least a surface of the substrate facing an electrode, the amorphous carbon film comprising carbon and hydrogen and being characterized in that it contains not more than 30…",
  "path": "/patents/969587",
  "publishedAt": "2014-10-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C23C16/26",
    "TOYOTA CHUO KENKYUSHO KK [JP]"
  ],
  "textContent": "The present invention provides a fuel cell separator comprising a metallic substrate and an amorphous carbon film covering at least a surface of the substrate facing an electrode, the amorphous carbon film comprising carbon and hydrogen and being characterized in that it contains not more than 30 atomic % (excluding 0 atomic %) of hydrogen and, when the entire amount of the carbon is taken as 100 atomic %, carbon having an sp2 hybrid orbital is present in an amount of not less than 70 atomic % and less than 100 atomic %, wherein the amount of carbon having an sp2 hybrid orbital is determined byC nuclear magnetic resonance using high-power decoupling with magic angle spinning, as well as a process for forming the same.",
  "title": "Fuel cell separator and process for its production"
}