{
  "$type": "site.standard.document",
  "description": "Disclosed is a separator for a secondary battery comprising a polyolefin and a separator body having a porous structure, wherein the separator body is configured to be in a form having a difference in porosity along a thickness direction, and it is possible to improve the problem of imbalance in…",
  "path": "/patents/1410920",
  "publishedAt": "2024-03-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/13",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "Disclosed is a separator for a secondary battery comprising a polyolefin and a separator body having a porous structure, wherein the separator body is configured to be in a form having a difference in porosity along a thickness direction, and it is possible to improve the problem of imbalance in ionic conductivity caused by differences in thickness and electrical conductivity between a positive electrode and a negative electrode.",
  "title": "SEPARATOR HAVING POROSITY DIFFERENCE ACCORDING TO THICKNESS DIRECTION AND MANUFACTURING METHOD THEREFOR"
}