Patent ID: 11859297
Assignee: MANGROVE WATER TECHNOLOGIES LTD.
Field: nan (nan)
Classification: CPC nan | IPC B  C

Claim 15:
16. The process of claim 11, wherein the membrane electrolysis cell comprises:
an inlet through which the salt-containing solution is received into an interior of the membrane electrolysis cell;
an anode positioned to extend within the interior of the membrane electrolysis cell and positioned in an anode compartment;
a cathode comprising a gas diffusion electrode positioned to extend within the interior of the membrane electrolysis cell and positioned in a cathode compartment, the gas diffusion electrode including a diffusion layer configured to diffuse the gas comprising O2 and a catalyst layer disposed on a surface of the diffusion layer, the catalyst layer having a hydrophilicity greater than that of the diffusion layer and the catalyst layer being configured to transport negative ions;
a gas inlet positioned in the cathode compartment through which the gas comprising O2 is introduced into contact with the gas diffusion electrode;
a first ion exchange membrane interposed between the anode compartment and the catalyst layer of the gas diffusion electrode, the first ion exchange membrane being configured to exchange ions received from the anode to an opposed surface of the first ion exchange membrane; and
at least one outlet through which the recovered Li and/or reagent materials used in the process for recovering Li is removed from the interior of the membrane electrolysis cell;
wherein in performing the process:
the gas comprising O2 is reduced at the cathode to form OH−;
the salt-containing solution compprising lithium ions and negative salt ions is received into the anode compartment;
the lithium ions move through the first ion exchange membrane to the opposed surface of the first ion exchange membrane; and
the lithium ions combine with the OH− to form the recovered Li.