Patent ID: 8535834

Claim:
A battery, comprising: an electrolyte activating a positive electrode and a negative electrode, the electrolyte including a plurality of salts in a solvent, one or more passivation salts in the solvent, and one or more passivation additives in the solvent, at least one of the passivation salts forming a passivation layer on the negative electrode during discharge of the battery and including lithium and boron, at least one of the salts being an inorganic lithium salt that excludes boron, the solvent including one or more organic solvents, at least one of the passivation additives forming a passivation layer on the negative electrode during discharge of the battery and not being a salt, the positive electrode has one or more positive active materials that each include a lithium transition-metal oxide, and the negative electrode includes a negative active material selected from a group consisting of lithium metal and graphite.