{
  "$type": "site.standard.document",
  "description": "[Problem] The present invention provides a gas diffusion medium for a fuel cell, which has low in-plane air permeability and good drainage property and is capable of exerting high cell performance across a wide temperature range from low to high temperatures. [Means for Solution] The gas diffusion…",
  "path": "/patents/967734",
  "publishedAt": "2014-11-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/8605",
    "TORAY INDUSTRIES [JP]"
  ],
  "textContent": "[Problem] The present invention provides a gas diffusion medium for a fuel cell, which has low in-plane air permeability and good drainage property and is capable of exerting high cell performance across a wide temperature range from low to high temperatures. [Means for Solution] The gas diffusion medium for a fuel cell is characterized by comprising a microporous region [A], an electrode base material and a microporous region [B] that are arranged in the order mentioned, wherein the microporous region [A] has an areal ratio in the range of 5 to 70% and the microporous region [B] has an areal ratio in the range of 80 to 100%.",
  "title": "GAS DIFFUSION ELECTRODE SUBSTRATE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL"
}