Patent ID: 11955678
Assignee: UOP LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The method of claim 1 wherein:
the negative electrolyte comprises FeCl2 at a concentration of 1.7-4.5 M, KCl or NH4Cl, optionally boric acid, optionally glycine, and optionally FeCl3; and
the positive electrolyte comprises FeCl2 at a concentration of 1.5-4.5 M, KCl or NH4Cl, HCl, and glycine, optionally boric acid, and optionally FeCl3;
wherein the FeCl2 concentration in the negative electrolyte is higher than the FeCl2 concentration in the positive electrolyte.