{
  "$type": "site.standard.document",
  "description": "An embodiment of the invention provide a separator for a non-aqueous secondary battery, including a porous substrate; and a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and barium sulfate particles, in which an…",
  "path": "/patents/1415154",
  "publishedAt": "2023-04-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "TEIJIN LTD [JP]"
  ],
  "textContent": "An embodiment of the invention provide a separator for a non-aqueous secondary battery, including a porous substrate; and a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and barium sulfate particles, in which an average primary particle diameter of the barium sulfate particles contained in the heat-resistant porous layer is from 0.01 µm to less than 0.30 µm, and in which a volume ratio of the barium sulfate particles in the heat-resistant porous layer is from 30% by volume to less than 50% by volume.",
  "title": "NON-AQUEOUS SECONDARY BATTERY SEPARATOR AND NON-AQUEOUS SECONDARY BATTERY"
}