Method for Operating a Lithium Ion Battery, Lithium Ion Battery, and Motor Vehicle

The invention relates to a method for operating a lithium ion battery () comprising at least one lithium ion cell and a heating device (), wherein: the heating device () is designed to operate the lithium ion battery () in a temperature range between 5 and 90° C.; the lithium ion cell comprises an anode (), a cathode (), a separator (), a current collector () and an electrolyte (); the method comprises a step of operating the lithium ion battery () in a temperature range between 5 and 90° C.; and the electrolyte () contains: LiBOB as conducting salt and at least one selected from: PC and EC as solvent or LiFSI and/or LiDFOB as conducting salt and at least one glycol ether and/or DMC as solvent or LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as conducting salt and at least one compound selected from: imidazolium compounds, pyrrolidinium compounds and piperidinium compounds as solvent.