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Ion-imbibed membranes based on proton conducting aromatic polyether type copolymers and their application in redox flow batteries

Patent ·
OSTI ID:1892974
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The present invention relates to a class of polymer ion imbibed membranes for electrolyte flow batteries. The membranes are a conducting aromatic polyether type copolymer bearing nitrogen heterocycles groups, especially pyridine type. While the membranes can be used in acid, basic, and neutral electrolytes, the nitrogen heterocycles in the membrane interact with acid in the electrolyte to form a proton transport network, so as to keep the proton transport performance of the membrane. The membrane has excellent mechanical stability and thermostability as well as tunable porosity.
Research Organization:
Advent Technologies Inc., Boston, MA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
DOE Contract Number:
AR0000767
Assignee:
Advent Technologies (Boston, MA)
Patent Number(s):
11,342,573
Application Number:
16/806,002
OSTI ID:
1892974
Country of Publication:
United States
Language:
English

References (1)

Membrane stability studies for vanadium redox cell applications journal February 2004

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