Preparation of polymeric resins and carbon materials

Patent metadata

Field	Value
Publication number	US-9409777-B2
Application number	US-201313763448-A
Country	US
Kind code	B2
Filing date	Feb 8, 2013
Priority date	Feb 9, 2012
Publication date	Aug 9, 2016
Grant date	Aug 9, 2016

Abstract

The present application is directed to methods for preparation of carbon materials. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries.

First claim

The invention claimed is:

1. A carbon material, wherein the maximum theoretical capacitance of the carbon material is greater than 25 F/cm 3 as measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile, and wherein the carbon material comprises a specific surface area of at least 1,500 m 2 /g and less than 500 ppm of all atoms having a molecular weight between 11 and 92, as measured by photon induced x-ray emissions.

2. The carbon material of claim 1 , wherein the carbon material retains greater than 90% of the maximum theoretical capacitance after incubation at 2.85 V and 85° C. for 32 h, wherein the capacitance is measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile.

3. The carbon material of claim 1 , wherein the carbon material comprises a maximum theoretical capacitance of greater than 20 F/cm 3 after incubation at 2.85 V and 85° C. for 32 h, wherein the capacitance is measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile.

4. The carbon material of claim 1 , wherein the carbon material has a specific surface area ranging from 1,500 m 2 /g to 2,000 m 2 /g.

5. The carbon material of claim 1 , wherein the carbon material has a specific surface area ranging from 1,628 m 2 /g to 1,731 m 2 /g.

6. The carbon material of claim 1 , wherein the carbon material has a pore volume of at least 0.7 cm 3 /g.

7. The carbon material of claim 1 , wherein the carbon material has a pore volume ranging from 0.714 cm 3 /g to 0.767 cm 3 /g.

8. The carbon material of claim 1 , wherein the carbon material has a mean particle diameter ranging from 5 to 50 microns.

9. The carbon material of claim 1 , wherein the carbon material has a mean particle diameter ranging from 5 to 10 microns.

10. A carbon material, wherein the maximum theoretical capacitance of the carbon material is greater than 25 F/cm 3 as measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile, and wherein the carbon material comprises a pore volume of at least 0.7 cm 3 /g and less than 500 ppm of all atoms having a molecular weight between 11 and 92, as measured by photon induced x-ray emissions.

11. The carbon material of claim 10 , wherein the carbon material retains greater than 90% of the maximum theoretical capacitance after incubation at 2.85 V and 85° C. for 32 h, wherein the capacitance is measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile.

12. The carbon material of claim 10 , wherein the carbon material comprises a maximum theoretical capacitance of greater than 20 F/cm 3 after incubation at 2.85 V and 85° C. for 32 h, wherein the capacitance is measured at a current density of 0.5 Amp/g employing an electrolyte comprising tetraethylammonium tetrafluoroborane in acetonitrile.

13. The carbon material from claim 10 , wherein the carbon material has a specific surface area of at least 1,500 m 2 /g.

14. The carbon material of claim 10 , wherein the carbon material has a specific surface area ranging from 1,500 m 2 /g to 2,000 m 2 /g.

15. The carbon material of claim 10 , wherein the carbon material has a specific surface area ranging from 1,628 m 2 /g to 1,731 m 2 /g.

16. The carbon material of claim 10 , wherein the carbon material has a pore volume ranging from 0.714 cm 3 /g to 0.767 cm 3 /g.

17. The carbon material of claim 10 , wherein the carbon material has a mean particle diameter ranging from 5 to 50 microns.

18. The carbon material of claim 10 , wherein the carbon material has a mean particle diameter ranging from 5 to 10 microns.

Assignees

• Basf Se

Inventors

• Geramita Katharine
• Kron Benjamin
• Costantino Henry R
• Feaver Aaron M
• Sakshaug Avery J
• Thompkins Leah A
• Chang Alan Tzu-Yang

Classifications

• C08G8/22 Primary

  Resorcinol · CPC title

• H01M10/06

  Lead-acid accumulators (semi-lead accumulators H01M10/20) · CPC title

• H01G11/44

  Raw materials therefor, e.g. resins or coal · CPC title

• H01M4/625

  Carbon or graphite · CPC title

• H01M12/06

  with one metallic and one gaseous electrode · CPC title