{
  "$type": "site.standard.document",
  "description": "An improved separator (10) for an energy storage cell is described which is made of a porous polyolefin matrix and contains from about 0.5 to about 30 dry weight percent particulate filler. The particulate filler is a cured, porous rubber material which enhances the electrochemical properties of…",
  "path": "/patents/1100098",
  "publishedAt": "2002-11-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/406",
    "MICROPOROUS PRODUCTS L P [US]"
  ],
  "textContent": "An improved separator (10) for an energy storage cell is described which is made of a porous polyolefin matrix and contains from about 0.5 to about 30 dry weight percent particulate filler. The particulate filler is a cured, porous rubber material which enhances the electrochemical properties of the separator (10) as compared to conventional polyolefin separators.",
  "title": "Polyethylene separator for an energy storage cell"
}