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US 10,464,018 B2Granted
Electrochemical process for gas separation
AssigneeMassachusetts Institute of Technology
InventorsSahag Voskian, Trevor Alan Hatton
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Abstract
The present disclosure generally relates to apparatuses, systems, and methods for separating a target species (e.g., CO2) from a gas mixture (e.g., gas stream) via an electrochemical process.
Claims16
An electrochemical cell, comprising:
- a first negative electrode and a second negative electrode, each comprising a gas permeable layer and a primary electroactive composite layer;
- a positive electrode positioned between the first and second negative electrodes and comprising a first complementary electroactive composite layer facing the first negative electrode and a second complementary electroactive composite layer facing the second negative electrode;
- a first separator positioned between the first negative electrode and the positive electrode;
- and
- a second separator positioned between the second negative electrode and the positive electrode, wherein each of the first and second separators is able to be saturated with an ionic liquid.
2 more elements
A gas separation system, comprising:
- a plurality of electrochemical cells in fluid communication with a gas inlet and a gas outlet, each of the plurality of electrochemical cells comprising:
- a first porous negative electrode and a second porous negative electrode, each comprising a first electroactive species;
- a positive electrode comprising a second electroactive species;
- a first separator positioned between the first porous negative electrode and the positive electrode;
- and
- a second separator positioned between the second porous negative electrode and the positive electrode, wherein each of the first and second separators is able to be saturated with an ionic liquid.
3 more elements
Dependencies are inferred from the claim text.