{
  "$type": "site.standard.document",
  "description": "A method for producing a fuel cell gas diffusion layer base material sequentially Includes: a water-containing sheet preparation step of preparing a water-containing sheet containing a carbon fiber, graphite particles having a particle diameter more than 120 μm as measured by a laser…",
  "path": "/patents/1389699",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/8807",
    "AISIN CORPORATION"
  ],
  "textContent": "A method for producing a fuel cell gas diffusion layer base material sequentially Includes: a water-containing sheet preparation step of preparing a water-containing sheet containing a carbon fiber, graphite particles having a particle diameter more than 120 μm as measured by a laser diffraction/scattering method, and a fibrillated organic fiber, which is to be carbonized in a subsequent carbonization step, by using a slurry containing the carbon fiber, the graphite particles, and the fibrillated organic fiber; a composite sheet preparation step of preparing a composite sheet by water-squeezing and drying the water-containing sheet; a resin impregnation step of preparing a resin impregnation sheet by impregnating the composite sheet with a carbon precursor resin to be carbonized in the subsequent carbonization step; a compression step of preparing a thinned sheet by compressing the resin impregnation sheet; and the carbonization step of heating and firing the thinned sheet in a non-oxidizing atmosphere.",
  "title": "FUEL CELL GAS DIFFUSION LAYER BASE MATERIAL AND METHOD FOR PRODUCING SAME"
}