US 12,006,578 B2
Electrochemical oxygen pumps utilizing an anion conducting polymer
Bamdad Bahar, Georgetown, DE (US); Zhefei Li, Felton, DE (US); Richard Sherrer, Landing, NJ (US); and Jacob Zerby, Harbeson, DE (US)
Assigned to FFI Ionix IP, Inc., Wilmington, DE (US)
Filed by Xergy Inc., Harrington, DE (US)
Filed on Mar. 12, 2018, as Appl. No. 15/918,945.
Application 15/918,945 is a continuation in part of application No. 15/800,398, filed on Nov. 1, 2017, granted, now 10,890,344.
Application 15/800,398 is a continuation in part of application No. PCT/US2016/063699, filed on Nov. 23, 2016.
Claims priority of provisional application 62/469,801, filed on Mar. 10, 2017.
Claims priority of provisional application 62/416,072, filed on Nov. 1, 2016.
Claims priority of provisional application 62/385,175, filed on Sep. 8, 2016.
Claims priority of provisional application 62/373,329, filed on Aug. 10, 2016.
Claims priority of provisional application 62/353,545, filed on Jun. 22, 2016.
Claims priority of provisional application 62/300,074, filed on Feb. 26, 2016.
Claims priority of provisional application 62/258,945, filed on Nov. 23, 2015.
Prior Publication US 2018/0202054 A1, Jul. 19, 2018
Int. Cl. C25B 1/04 (2021.01); B01D 3/14 (2006.01); B01D 53/32 (2006.01); C25B 11/00 (2021.01); B01D 53/047 (2006.01); B01D 53/22 (2006.01)
CPC C25B 1/04 (2013.01) [B01D 53/326 (2013.01); C25B 11/00 (2013.01); B01D 3/14 (2013.01); B01D 53/047 (2013.01); B01D 53/22 (2013.01); B01D 2257/104 (2013.01); Y02E 60/36 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electrochemical oxygen pumping system comprising:
a) an electrochemical cell comprising:
i) an anode on an anode side and having an anode film layer disposed thereon;
ii) a cathode on a cathode side and having a cathode film layer disposed thereon;
wherein both the anode film layer and the cathode film layer have the molecular structure MO2 where M is selected from the group consisting of: platinum, silver, iridium, ruthenium, nickel, and cobalt;
iii) an anion conducting layer configured between said anode and said cathode and comprising an anion conducting polymer;
wherein the anion conducting polymer has functional groups;
wherein the functional groups include non-conjugated aliphatic amines;
wherein the anion conducting layer has a thickness of no more than 30 microns and that passively transports water from the anode side to the cathode side;
wherein the anion conducting layer comprises a support material;
wherein the anion conducting polymer is imbibed into the support material;
b) a power source coupled to the anode and cathode to provide an electrical potential across the anode and the cathode to initiate reaction of oxygen and water on the cathode to produce hydroxide that is transported across the anion conducting layer and reacted on the anode to produce oxygen and water, thereby pumping oxygen from the cathode side to the anode side.