{
  "$type": "site.standard.document",
  "description": "A carbon black is provided which is useful as an electrocatalyst carrier. The carbon black has a DBP oil absorption of 170 to 300 cm/100 g, a specific surface area as measured by a BET method of 250 to 400 m/g, a primary particle diameter value of 10 to 17 nm, and a total volume of open pores at…",
  "path": "/patents/1096308",
  "publishedAt": "2003-05-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C09C1/50",
    "N E CHEMCAT CORP [JP]"
  ],
  "textContent": "A carbon black is provided which is useful as an electrocatalyst carrier. The carbon black has a DBP oil absorption of 170 to 300 cm/100 g, a specific surface area as measured by a BET method of 250 to 400 m/g, a primary particle diameter value of 10 to 17 nm, and a total volume of open pores at the surface which have a pore radius of 10 to 30 nm of 0.40 to 2.0 cm/g. The electrocatalyst can be used in electrochemical devices such as solid polymer electrolyte fuel cells.",
  "title": "Carbon black, electrocatalyst carrier formed from carbon black, and electrocatalyst and electrochemical device using carrier"
}