Patent ID: 8940443
Filing Date: 2015-01-27
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. An electrolyte for an electrochemical cell, the electrolyte comprising: a) a linear carbonate mixture of dimethyl carbonate (DMC), diethyl carbonate (DEC), and ethylmethyl carbonate (EMC), wherein by volume percent, DMC is in the range of from about 5% to about 75%; EMC is in the range of from about 5% to about 50%; and DEC is in the range of from about 3% to about 45%; b) ethylene carbonate (EC) as a cyclic carbonate, wherein the EC is in the range of from about 10% to about 50% by volume percent; c) a lithium salt; and d) poly(2-vinylpyridine) at a concentration of from about 0.05 to less than 1.0 weight percent.