	US 12,214,319 B2
	Lithium ion conducting membranes
John N. Hryn, Naperville, IL (US); Patricia Ignacio-de Leon, Westmont, IL (US); Edward F. Barry, Chicago, IL (US); Dileep Singh, Naperville, IL (US); and Li Tang, Bolingbrook, IL (US)
Assigned to UCHICAGO ARGONNE, LLC, Chicago, IL (US)
Filed by UCHICAGO ARGONNE, LLC, Chicago, IL (US)
Filed on Sep. 18, 2018, as Appl. No. 16/134,465.
Prior Publication US 2020/0086281 A1, Mar. 19, 2020
Int. Cl. B01D 71/56 (2006.01); B01D 67/00 (2006.01); B01D 69/12 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01); H01M 4/38 (2006.01); C25C 1/02 (2006.01)

CPC B01D 69/148 (2013.01) [B01D 67/00793 (2022.08); B01D 69/12 (2013.01); B01D 69/1251 (2022.08); B01D 71/024 (2013.01); B01D 71/56 (2013.01); H01M 4/382 (2013.01); B01D 2325/26 (2013.01); C25C 1/02 (2013.01)]

7 Claims

1. A method of making a hybrid inorganic/organic membrane comprising:

forming an organic polymer framework having a plurality of pores;

binding lithium ions to a plurality of inorganic particles, by electrostatic forces selected from the group consisting of Strong Electrostatic Attraction technique and Incipient Wetness Impregnation technique, forming a plurality of ion-conducting particles; and

integrating the plurality of ion conducting particles into the organic polymer framework, the plurality of ion-conducting particles forming an array of columns of inorganic lithium ion conductor in the organic polymer framework;

wherein the hybrid inorganic/organic membrane comprises the plurality of ion conducting particles integrated within the plurality of pores of the organic polymer framework.