Nanostructured carbon materials and methods of making and use thereof
AssigneeVanderbilt University
InventorsAnna Douglas, Cary Pint
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Abstract
Disclosed herein are methods of making a plurality of carbon nanotubes, the methods comprising applying a current across a catalytically passive anode and a catalytic cathode; wherein the catalytic cathode comprises a catalyst and the catalyst comprises Fe, Co, Mo, Cr, Cu, or a combination thereof; wherein the catalytically passive anode and the catalytic cathode are in electrochemical contact with a molten carbonate electrolyte and a source of CO2; thereby forming a plurality of carbon nanotubes on the catalytic cathode.
Claims61
A method of making a plurality of carbon nanotubes, comprising:
- applying a current across a catalytically passive anode and a catalytic cathode;
- wherein the catalytic cathode comprises a catalyst and the catalyst comprises Fe, Co, Mo, Cr, Cu, or a combination thereof;
- wherein the catalytically passive anode and the catalytic cathode are in electrochemical contact with a molten carbonate electrolyte and a source of CO2;
- and
- wherein the current is applied at a current density of from 25 mA/cm2 to 500 mA/cm2;
- thereby forming a plurality of carbon nanotubes on the catalytic cathode.
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A device comprising
- a catalytically passive anode;
- a catalytic cathode, wherein the catalytic cathode comprises a catalyst and the catalyst comprises Fe, Co, Mo, Cr, Cu, or a combination thereof;
- a molten carbonate electrolyte;
- a source of carbon dioxide;
- and
- wherein the catalytically passive anode and the catalytic cathode are in electrochemical contact with the molten carbonate electrolyte and the source of CO2.
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Dependencies are inferred from the claim text.