{
  "$type": "site.standard.document",
  "description": "The present invention provides a nonaqueous electrolyte solution, which can improve flame retardancy and ameliorate performances of a battery without deteriorating the basic battery performance as far as possible, and a secondary battery. The nonaqueous electrolyte solution is a nonaqueous…",
  "path": "/patents/971700",
  "publishedAt": "2014-08-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C07F9/65815",
    "FUJIFILM CORP [JP]"
  ],
  "textContent": "The present invention provides a nonaqueous electrolyte solution, which can improve flame retardancy and ameliorate performances of a battery without deteriorating the basic battery performance as far as possible, and a secondary battery. The nonaqueous electrolyte solution is a nonaqueous electrolyte solution for a secondary battery that contains metal salts including ions of metals belonging to group 1 or 2 of the periodic table and a specific cyclic compound having phosphorus and nitrogen atoms in a non-protonic solvent. The non-protonic solvent is a solvent that contains at least one kind of carboxylic acid ester compound and carbonic acid ester compound, and a ratio (M PN /Ms) between a mass (Ms) of the non-protonic solvent containing the metal salts and a mass (M PN ) of the cyclic compound is 0.01 to 1.",
  "title": "ELECTROLYTE SOLUTION FOR NONAQUEOUS SECONDARY BATTERIES, AND SECONDARY BATTERY"
}