Title: Arylene-fluorinated-sulfonimide ionomers and membranes for fuel cells

Abstract

The preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells is described.

Inventors:

Teasley, Mark F ^[1]

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1. Landenberg, PA

Issue Date:

2011-11-15

Research Org.:

De Nora North America Inc

Sponsoring Org.:

USDOE

OSTI Identifier:

1033221

Patent Number(s):

8058383

Application Number:

11/951,353

Assignee:

E. I. du Pont de Nemours and Company (Wilmington, DE)

Patent Classifications (CPCs):

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

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C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

C08G61/10 - only aromatic carbon atoms, e.g. polyphenylenes

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

H01B1/122 - {Ionic conductors}
H01B1/128 - {comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

H01M2300/0082 - Organic polymers
H01M8/1023 - having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E60/50 - Fuel cells

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DOE Contract Number:  

FC04-02AL67606

Resource Type:

Patent

Country of Publication:

United States

Language:

English