Catalytic proton transport membranes and methods of making and use thereof

Patent metadata

Field	Value
Publication number	US-12418033-B2
Application number	US-202017638353-A
Country	US
Kind code	B2
Filing date	Aug 28, 2020
Priority date	Aug 29, 2019
Publication date	Sep 16, 2025
Grant date	Sep 16, 2025

Abstract

Disclosed herein are catalytic proton transport membranes and methods of making an use thereof. The catalytic proton transport membranes comprising a two-dimensional (2D) material having a top surface and a bottom surface, wherein the top surface further comprises a catalytic material deposited thereon, wherein the membrane allows for proton transport through the membrane.

First claim

The invention claimed is:

1. A catalytic proton transport membrane configured for remote catalysis, the catalytic transport membrane comprising:
a two-dimensional (2D) material having a top surface and a bottom surface;
a catalytic material deposited on the top surface of the two-dimensional material; and
a first proton conducting polymer layer comprising a first proton conducting polymer;
wherein the first proton conducting polymer layer is disposed on the catalytic material such that the catalytic material is disposed between the two-dimensional material and the first proton conducting polymer layer;
wherein the membrane allows for proton transport through the membrane; and
wherein, when used for remote catalysis, the remote catalysis comprising dissociation of a compound, wherein the compound is disposed proximate the bottom surface of the 2D material of the catalytic transport membrane, the 2D material shields the catalytic material from direct contact with the compound, the compound is catalytically dissociated, at least one product of the dissociation includes protons, and the catalytic proton transport membrane is configured such that said protons then pass through the 2D material.

2. The catalytic proton transport membrane of claim 1 , wherein the 2D material comprises graphene, hexagonal boron nitride (h-BN), a transition metal dichalcogenide, a covalent organic framework, a metal organic framework, ultra-thin oxides, mica, or a combination thereof.

3. The catalytic proton transport membrane of claim 1 , wherein the 2D material comprises graphene, hexagonal boron nitride (h-BN), or a combination thereof.

4. The catalytic proton transport membrane of claim 1 , wherein the 2D material has an average thickness of 1.5 nm or less.

5. The catalytic proton transport membrane of claim 1 , wherein the 2D material has lattice transparency.

6. The catalytic proton transport membrane of claim 1 , wherein the catalytic material comprises Al, Ti, Cr, Mn, Fe, Co, Ni, Cu, Mo, Rh, Pd, Ag, Cd, Pt, Au, Zn, Ga, Pb, or a combination thereof.

7. The catalytic proton transport membrane of claim 1 , wherein the catalytic material comprises a plurality of particles, a plurality of individual atoms, or a combination thereof.

8. The catalytic proton transport membrane of claim 1 , wherein the catalytic material comprises a layer.

9. The catalytic proton transport membrane of claim 1 , wherein the first proton conducting polymer comprises a polyether, a polysulfonate, a polysulfone, a poly(imidazole), a triazole, a benzimidazole, a polyester, a polycarbonate, a polymer derived from a pyridine monomer, a polyethylene, a fluoropolymer, derivatives thereof, or combinations thereof.

10. The catalytic proton transport membrane of claim 1 , wherein the first proton conducting polymer comprises a sulfonated fluoropolymer, a poly(imidazole), or a combination thereof.

11. The catalytic proton transport membrane of claim 1 , wherein the first proton conducting polymer comprises a copolymer of tetrafluoroethylene and perfluoro-3,6-dioxa-4-methyl-7-octene-sulfonic acid, poly(tetrafluoroethylene-co-2,2,4-trifluoro-5-trifluoromethoxy-1,3-dioxole), derivatives thereof, or combinations thereof.

12. A catalytic proton transport device comprising the catalytic proton transport membrane of claim 1 , wherein the catalytic proton transport device comprises a plurality of the catalytic proton transport membranes, and wherein the plurality of catalytic proton transport membranes are stacked together to form the catalytic proton transport device.

13. A method of use of the catalytic proton transport membrane of claim 1 , the method comprising using the catalytic proton transport membrane or catalytic proton transport device in a fuel cell, in a gas purification, in an energy conversion process, in environmental remediation, in an isotope separation, in a detector, in a membrane electrode application, or a combination thereof.

14. The method of claim 13 , wherein the method comprises using the catalytic proton transport membrane in a gas purification and/or isotope separation.

15. The method of claim 14 , wherein the gas purification comprises D 2 -He separation; tritium- 3 He separation; separation of H, D, and/or T from a mixture of HD, TD, and/or HT; or a combination thereof.

16. The method of claim 14 , wherein the method comprises using the catalytic proton transport membrane for hydrogen gas purification, hydrogen isotope separation, or a combination thereof.

17. A method of use of the catalytic proton transport membrane of claim 1 , the method comprising using the catalytic proton transport membrane or catalytic proton transport device for remote catalysis.

18. The method of claim 17 , wherein the remote catalysis comprises dissociation of a compound, wherein the method comprises disposing the compound proximate the catalytic transport membrane or catalytic transport device such that the compound is not in direct contact with the catalytic material, and catalytically dissociating the compound, wherein at least one product of the dissociation includes protons which then pass through the 2D material.

19. The method of claim 18 , therein the compound comprises hydrogen gas, deuterium gas, tritium gas, or a combination thereof.

Assignees

• Univ Vanderbilt

Inventors

• Kidambi Piran Ravichandran

Classifications

• H01M4/925

  supported on carriers, e.g. powder carriers · CPC title

• H01M4/9075

  Catalytic material supported on carriers, e.g. powder carriers (H01M4/8807, H01M4/881, H01M4/8814, H01M4/925 take precedence) · CPC title

• H01M8/1039

  halogenated, e.g. sulfonated polyvinylidene fluorides · CPC title

• B01D71/0223

  Group 8, 9 or 10 metals · CPC title

• B01D69/12

  Composite membranes; Ultra-thin membranes · CPC title