{
  "$type": "site.standard.document",
  "description": "There is provided a lithium ion secondary battery which has high safety and good life characteristics. There is also provided a gel electrolyte for a lithium ion secondary battery, which contains a lithium salt, a copolymer of specific monomers, a compound having a specific phosphazene structure…",
  "path": "/patents/998189",
  "publishedAt": "2012-09-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01G11/56",
    "NEC ENERGY DEVICES LTD [JP]"
  ],
  "textContent": "There is provided a lithium ion secondary battery which has high safety and good life characteristics. There is also provided a gel electrolyte for a lithium ion secondary battery, which contains a lithium salt, a copolymer of specific monomers, a compound having a specific phosphazene structure, and at least one compound selected from a specific cyclic disulfonate ester, a specific chain disulfonate ester and a specific sultone compound.",
  "title": "GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY COMPRISING SAME"
}