Patent ID: 11916198
Assignee: STOREDOT LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 15:
16. A method comprising:
preparing a lithium ion cell, wherein the preparing of the lithium ion cell comprises forming, at least during a formation stage of the lithium ion cell, a solid-electrolyte interphase (SEI) upon the at least one cathode while preventing a creation, during the formation stage, of the SEI on the at least one anode;
wherein the lithium ion cell comprises a cover, at least one separator, the at least one anode made of metalloid anode active material comprising at least one of Si, Ge and Sn, the at least one cathode, and electrolyte comprising an electrolyte solution and at least one dissolved lithium salt; wherein the electrolyte solution comprises a redox couple, the redox couple comprises (i) a first redox pair between an anode of the least one anode and a separator of the at least one separator, and (ii) a second redox pair between a cathode of the at least one cathode and the separator; wherein the electrolyte solution is selected for the creating, at least during the formation stage of the lithium ion cell, the SEI upon the at least one cathode and to prevent the creation of the SEI on the at least one anode during at least the formation stage.