Gyroidal mesoporous carbon materials and methods thereof

Patent metadata

Field	Value
Publication number	US-9714173-B2
Application number	US-201414456396-A
Country	US
Kind code	B2
Filing date	Aug 11, 2014
Priority date	Aug 9, 2013
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

The present invention relates to, inter alia, gyroidal mesoporous carbon materials and methods of use and manufacture thereof. In one embodiment, the present invention relates to a mesoporous carbon composition comprising a gyroidal mesoporous carbon having an ordered gyroidal structure and mesopores having a pore size of greater than 2 nanometers (nm) in diameter, and more particularly greater than 11 nm in diameter.

First claim

What is claimed is:

1. A mesoporous carbon composition comprising:
a carbonized gyroidal mesoporous carbon comprising monolithic ordered gyroidal triblock terpolymer-directed structure and mesopores having a pore size of greater than 11 nanometers (nm) in diameter,
wherein long range order of the ordered gyroidal triblock terpolymer-directed structure is thermally stable at least at temperatures up to 1600° C.

2. The composition according to claim 1 , wherein the gyroidal mesoporous carbon has a porosity of between about 30 and about 80 volume percent (vol %).

3. The composition according to claim 1 , wherein the gyroidal mesoporous carbon has a pore volume of between about 0.25 and about 2.0 cm 3 g −1 .

4. The composition according to claim 1 , wherein the mesopores have a pore size of between 12 nm and 50 nm in diameter.

5. The composition according to claim 1 , wherein the ordered gyroidal triblock terpolymer-directed structure comprises a double gyroidal mesoporous carbon morphology, a single gyroidal mesoporous carbon morphology, a monolithic gyroidal mesoporous carbon morphology, or combinations thereof.

6. The composition according to claim 1 , wherein the gyroidal mesoporous carbon further comprises nanopores to provide increased surface area.

7. The composition according to claim 1 further comprising a dopant or a nanoparticulate.

8. The composition according to claim 7 , wherein the dopant is selected from the group consisting of boron, nitrogen, sulfur, phosphorous, arsenic, antimony, oxygen, selenium, and tellurium.

9. The composition according to claim 7 , wherein the nanoparticulate is selected from the group consisting of platinum, metals, metal alloys, intermetallics, metal oxides, and silicon oxides.

10. The composition according to claim 1 , wherein the composition is in the form of a film or a powder.

11. An electrode material comprising a composition according to claim 1 .

12. A fuel cell, battery, supercapacitor, capacitive desalination membrane, energy storage device, or energy conversion device comprising the electrode material according to claim 11 .

13. A method of making a mesoporous carbon composition comprising a carbonized gyroidal mesoporous carbon, said method comprising:
combining a carbon precursor and a structure-directing triblock terpolymer to yield a self-assembled precursor/terpolymer composite having an ordered gyroidal structure that is defined by the triblock terpolymer and the ratio of the triblock terpolymer to the carbon precursor; and
treating the precursor/terpolymer composite to remove the triblock terpolymer, thereby yielding a gyroidal mesoporous carbon comprising a monolithic ordered gyroidal triblock terpolymer-directed structure and mesopores having a pore size of greater than 11 nanometers (nm) in diameter.

14. The method according to claim 13 further comprising:
prior to the treating step, inducing crosslinking of the carbon precursor contained in the molded component.

15. The method according to claim 13 , wherein the combining and treating steps comprise a solvent evaporation induced self-assembly (EISA) process.

16. The method according to claim 15 , wherein the EISA process comprises:
dissolving the triblock terpolymer and the carbon precursor in a solvent to yield a triblock terpolymer/carbon precursor mixture;
casting the mixture in a mold to yield a terpolymer/carbon precursor molded component having a desired form;
evaporating the solvent from the triblock terpolymer/carbon precursor molded component;
optionally inducing crosslinking of the carbon precursor contained in the molded component; and
pyrolyzing the molded component to remove the triblock terpolymer, thereby yielding the gyroidal mesoporous carbon.

17. The method according to claim 16 , wherein the solvent is selected from the group consisting of organic solvents, polar organic solvents, protic organic solvents, and mixtures thereof.

18. The method according to claim 13 , wherein the triblock terpolymer is poly(isoprene)-b-poly(styrene)-b-poly(ethylene oxide) (ISO).

19. The method according to claim 13 , wherein the triblock terpolymer is selected from the group consisting of the following:
poly(isoprene)-block-poly(styrene)-block-poly(ethylene oxide),
poly(isoprene)-block-poly(styrene)-block-poly(4-vinyl pyridine),
poly(isoprene)-block-poly(styrene)-block-poly(2-vinyl pyridine),
poly(isoprene)-block-poly(styrene)-block-poly(glycidyl methacrylate),
poly(isoprene)-block-poly(styrene)-block-poly(dimethyl amino ethyl methacrylate),
poly(isoprene)-block-poly(styrene)-block-poly(methacrylic acid),
poly(butadiene)-block-poly(styrene)-block-poly(ethylene oxide),
poly(butadiene)-block-poly(styrene)-block-poly(4-vinyl pyridine),
poly(butadiene)-block-poly(styrene)-block-poly(2-vinyl pyridine),
poly(butadiene)-block-poly(styrene)-block-poly(glycidyl methacrylate),
poly(butadiene)-block-poly(styrene)-block-poly(dimethyl amino ethyl methacrylate),
poly(butadiene)-block-poly(styrene)-block-poly(methacrylic acid),
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(isoprene)-block-poly(styrene)-block-Polymer X,
poly(butadiene)-block-poly(styrene)-block-Polymer X,
poly(butadiene)-block-poly(styrene)-block-Polymer X,
poly(butadiene)-block-poly(styrene)-block-Polymer X,
poly(butadiene)-block-poly(styrene)-block-Polymer X,
poly(butadiene)-block-poly(styrene)-block-Polymer X, and
poly(butadiene)-block-poly(styrene)-block-Polymer X,

wherein Polymer X comprises a hydrophilic third block polymer.

20. The method according to claim 13 , wherein the carbon precursor comprises a hydrophilic molecule that forms hydrogen bonds with a hydrophilic block of the triblock terpolymer.

21. The method according to claim 20 , wherein the hydrophilic block of the triblock terpolymer is poly(ethylene oxide).

22. The method according to claim 13 , wherein the carbon precursor comprises a thermally cross-linkable organic molecule selected from the group consisting of resins, oligomeric resins, aromatic alcohols, unsaturated alcohols, phenol based resols, phenol-formaldehyde resols, resorcinol-formaldehyde resols, furfuryl alcohol, and mixtures thereof.

23. The method according to claim 13 , wherein the triblock terpolymer is poly(isoprene)-b-poly(styrene)-b-poly(ethylene oxide) (ISO) and the carbon precursor is a phenol-formaldehyde resol.

24. The method according to claim 13 , wherein the molecular mass (g/mol) ratio of the triblock terpolymer to the carbon precursor is greater than or equal to 200:1 or less than or equal to 3,000:1.

25. The method according to claim 13 further comprising:
subjecting the gyroidal mesoporous carbon to an activation process to form nanopores on and/or within the gyroidal mesoporous carbon to increase surface area thereof.

26. The method according to claim 25 , wherein the activation process is selected from the group consisting of a carbon dioxide activation process and a heat-treatment activation process.

27. The method according to claim 13 further comprising:
adding a dopant and/or a nanoparticulate precursor during the combining step.

28. A mesoporous carbon compo

Assignees

• Univ Cornell

Inventors

• Wiesner Ulrich B
• Werner Joerg G

Classifications

• C02F1/4691

  Capacitive deionisation · CPC title

• H01G11/34 Primary

  characterised by carbonisation or activation of carbon · CPC title

• C01B31/00

  Chemistry & Metallurgy · mapped topic

• C02F2001/46133

  characterised by the material · CPC title

• H01M4/583

  Carbonaceous material, e.g. graphite-intercalation compounds or CFx · CPC title