{
  "$type": "site.standard.document",
  "description": "A separator is disposed between a positive electrode and a negative electrode in a lead acid storage battery including the positive electrode and the negative electrode, in which the separator contains a glass fiber and an organic binder, the separator includes a first layer that is in contact with…",
  "path": "/patents/1290941",
  "publishedAt": "2021-05-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/446",
    "HITACHI CHEMICAL COMPANY, LTD."
  ],
  "textContent": "A separator is disposed between a positive electrode and a negative electrode in a lead acid storage battery including the positive electrode and the negative electrode, in which the separator contains a glass fiber and an organic binder, the separator includes a first layer that is in contact with the positive electrode, and a second layer that is in contact with the negative electrode, an average pore diameter of the first layer is larger than an average pore diameter of the second layer and a thickness of the first layer is equal to or less than the half of the overall thickness of the separator",
  "title": "SEPARATOR FOR LEAD ACID STORAGE BATTERIES, AND LEAD ACID STORAGE BATTERY"
}