{
  "$type": "site.standard.document",
  "description": "Disclosed is a separator for a battery, which comprises a porous film mainly composed of a polyolefin film, has heat resistance, and can improve battery properties. Specifically disclosed is a separator for a battery, which is characterized by having a layer mainly composed of a polyolefin resin…",
  "path": "/patents/1008337",
  "publishedAt": "2011-10-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "MITSUBISHI PLASTICS INC [JP]"
  ],
  "textContent": "Disclosed is a separator for a battery, which comprises a porous film mainly composed of a polyolefin film, has heat resistance, and can improve battery properties. Specifically disclosed is a separator for a battery, which is characterized by having a layer mainly composed of a polyolefin resin, wherein at least one surface of the separator has an arithmetic average roughness (Ra) of 0.3µm or more.",
  "title": "SEPARATOR FOR BATTERY, AND NON-AQUEOUS LITHIUM BATTERY"
}