{
  "$type": "site.standard.document",
  "description": "The invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and a non-aqueous electrolytic solution comprising an electrolyte salt and a non-aqueous solvent comprising a chain carbonate and a cyclic carbonate selected from the group consisting of…",
  "path": "/patents/1009347",
  "publishedAt": "2011-09-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/05",
    "UBE INDUSTRIES [JP]"
  ],
  "textContent": "The invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and a non-aqueous electrolytic solution comprising an electrolyte salt and a non-aqueous solvent comprising a chain carbonate and a cyclic carbonate selected from the group consisting of ethylene carbonate and propylene carbonate, characterized in that the non-aqueous electrolytic solution contains vinylene carbonate in an amount of 0.05 to 5 wt.% and an alkyne compound of formula (VI) in an amount of 0.1 to 3 wt.% in which formula each of R 25 to R 27 independently is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; x is 1; W is sulfinyl or oxalyl; and Y 6 is an alkyl group having 1 to 12 carbon atoms or an alkynyl group having 2 to 12 carbon atoms.",
  "title": "Non-aqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same"
}