Patent ID: 8617748
Filing Date: 2013-12-31
Classification: H01M,H02J,Y02E,Y02P,Y10T

Abstract:
1. A lithium battery, comprising: an anode comprising lithium as the active anode species; a cathode comprising an active cathode species supported by a cathode current collector; and a heterogeneous electrolyte between the anode and the cathode current collector, comprising a first electrolyte solvent comprising 1, 3-dioxolane and a second electrolyte solvent comprising dimethoxyethane, wherein, in use, the first electrolyte solvent is present disproportionately at the anode at a molar or weight ratio of at least 2:1 relative to the second electrolyte solvent, and the second electrolyte solvent is present disproportionately at the cathode, wherein the second electrolyte solvent includes at least one species which reacts adversely with the anode.