Thermally stable conductive polymers for electrochemical gas sensor applications
AssigneeAdvent Technologies Holdings, Inc
InventorsEmory Sayre De Castro, Christos L. Chochos, Nora Gourdoupi, Vasilis G. Gregoriou, George Paloumbis
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Abstract
Aromatic polymers exhibiting thermal stability and conductivity upon imbibement into an acid are disclosed for electrochemical gas sensor applications. Membrane electrode assemblies for electrochemical gas sensors are also provided, comprising a sensing electrode, a counter electrode, and a polymer membrane comprising the polymers of the present invention, disposed between the sensing electrode and the counter electrode.
Claims11
A gas sensor comprising:
- A. a sensing electrode;
- B. a counter electrode;
- C. a conductive polymer disposed between the sensing electrode and the counter electrode;
- D. the conductive polymer comprising aromatic (heterocycle) moieties containing one or more nitrogen groups, wherein said conductive polymer is an aromatic polyether polymer bearing pyridine groups and imbibed with an inorganic acid.
An electrochemical gas sensor comprising a conductive polymer thermally stable in temperatures greater than 180° C., wherein the conductive polymer comprises aromatic (heterocycle) moieties containing one or more nitrogen groups, and wherein the conductive polymer is an aromatic polyether polymer bearing pyridine groups and imbibed with an inorganic acid.
Dependencies are inferred from the claim text.