| abstract |
A lithium-sulfur battery comprising an anode comprising a lithium metal or lithium metal alloy, a cathode comprising a mixture of an electroactive sulfur material and a solid conductive material, an electrolyte comprising a tetrafluoroborate and an organic a solvent, wherein the tetrafluoroborate is present in the electrolyte in a concentration of 0.05 to 0.5 M, and wherein the tetrafluoroborate is present in an amount, wherein the tetrafluoroborate anion (BF4-) is in the electroactive material The molar ratio of sulfur (S) is 0.009-0.09:1. |