Patent ID: 7226704
Filing Date: 2007-06-05
Classification: H01M,Y02E

Abstract:
1. An electrolyte comprising: lithium bis(oxalato)borate; 10 to 35 35 wt. % of a cyclic carbonate; 35 to 55 wt % of at least one compound selected from the group consisting of acyclic carbonates, aliphatic esters, alicyclic ethers and aliphatic, difunctional ethers, of 5 to 40 wt. % of a member selected from the group consisting of a lactone, a dinitrile, a compound having at least one carboxylic acid ester group and an ether group, a compound having at least one carbonic acid ester group and an ether group, a compound having at least one nitrile group and an ether group, a trialkyl phosphoric acid ester and a trialkyl boric acid ester.