Methods and systems for carbon nanofiber production
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United States of America Patent
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Aug 4, 2020
Grant Date -
Feb 15, 2018
app pub date -
Feb 26, 2016
filing date -
Feb 26, 2015
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Abstract
A system and process for producing carbon nano-materials is disclosed. A carbonate material such as Li2CO3 is heated via a furnace to transform into molten carbonate. CO2 is bubbled into the molten carbonate. The molten carbonate is subjected to electrolysis by passing current from an anode to a cathode. A transition metal nucleation agent is added to result in nucleation sites that grow carbon nano-materials at the cathode. This process separates oxygen at the anode and carbon nano-materials at the cathode. The characteristics of the carbon nano-material may be controlled by varying current density, feed gas, transition metal composition, temperature, viscosity and electrolyte composition.
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