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US 11,298,649 B2Granted
Systems and methods incorporating ionic liquids for electrochemically mediated capturing of Lewis acid gases
AssigneeMassachusetts Institute of Technology
InventorsTrevor Alan Hatton, Paul Brown, Sahag Voskian
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Abstract
The present invention generally relates to methods and systems for capturing a Lewis acid gas (e.g., CO2). In some embodiments, the methods and systems utilize an ionic liquid incorporated into one or more electrochemical cells.
Claims19
A system for capturing a Lewis acid gas, comprising:
- a first zone containing a functional ionic liquid comprising a cation and an anion, wherein the functional ionic liquid is a salt that is in a liquid state at a temperature below 100° C.;
- a second zone in fluid connection with the first zone, the second zone containing a complexation agent capable of associating and/or disassociating the cation to and/or from the functional ionic liquid upon exposure to an electrical potential;
- and
- an apparatus comprising an electrode constructed and arranged to apply an electrical potential to the complexation agent in the second zone.
1 more element
Dependencies are inferred from the claim text.