Patent ID: 7615311
Filing Date: 2009-11-10
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolyte comprising: a first solute; a second solute; and an organic solvent dissolving said first solute and said second solute, wherein said first solute is a salt having at least one fluorine atom in an anion moiety thereof, and said second solute is an inorganic borate having at least one boron atom and at least one oxygen atom in an anion moiety thereof, and said inorganic borate comprises at least one selected from the group consisting of: where M is an alkali metal or an alkaline earth metal; when M is an alkali metal, w=4, and when M is an alkaline earth metal, w=2; where L is an alkali metal; and where M is an alkali metal or an alkaline earth metal; when M is an alkali metal, u=4, and when M is an alkaline earth metal, u=2.