	US 11,920,249 B2
	Lanthanide electrochemistry
Johna Leddy, Iowa City, IA (US); and Krysti L. Knoche, Salt Lake City, UT (US)
Assigned to Johna Leddy, lowa City, IA (US)
Filed by Johna L. Leddy, Iowa City, IA (US)
Filed on Jan. 10, 2019, as Appl. No. 16/244,897.
Application 16/244,897 is a continuation of application No. 14/709,682, filed on May 12, 2015, granted, now 10,196,749.
Claims priority of provisional application 61/992,112, filed on May 12, 2014.
Prior Publication US 2019/0218677 A1, Jul. 18, 2019
Int. Cl. C25C 1/22 (2006.01); B01J 19/08 (2006.01); C25B 1/00 (2021.01); C25B 9/19 (2021.01); C25C 7/02 (2006.01); C25D 3/54 (2006.01); H01M 4/92 (2006.01); H01M 8/10 (2016.01); H01M 8/1016 (2016.01); H01M 12/06 (2006.01); H01M 12/08 (2006.01)

CPC C25C 1/22 (2013.01) [B01J 19/087 (2013.01); C25B 1/00 (2013.01); C25B 9/19 (2021.01); C25C 7/02 (2013.01); C25D 3/54 (2013.01); H01M 8/1016 (2013.01); H01M 12/06 (2013.01); H01M 12/08 (2013.01); H01M 4/92 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/10 (2013.01)]

16 Claims

1. An electrochemical device comprising:

a cathode comprising:

an electronically conductive substrate having a surface;

an ionically conductive and/or ionically permeable film formed on the surface of the substrate; and

a ligated lanthanide and/or actinide compound disposed in the film;

an anode; and

an electrolyte disposed between the cathode and the anode,

wherein,

the electrochemical device is adapted to employ the oxygen reduction reaction (ORR) at the cathode during operation,

a reaction rate of the ORR reaction is increased by the ligated lanthanide and/or actinide compound, and

the ligated lanthanide and/or actinide compound comprises a fluorosulfonate anion ligand or a chelating anionic ligand.