Title: Composite solid polymer electrolyte membranes

Abstract

The present invention relates to composite solid polymer electrolyte membranes (SPEMs) which include a porous polymer substrate interpenetrated with an ion-conducting material. SPEMs of the present invention are useful in electrochemical applications, including fuel cells and electrodialysis.

Inventors:

Formato, Richard M.; Kovar, Robert F.; Osenar, Paul; Landrau, Nelson; Rubin, Leslie S.

Issue Date:

2006-05-30

Research Org.:

Foster-Miller, Inc., Waltham, MA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1175759

Patent Number(s):

7052793

Application Number:

09/750,402

Assignee:

Foster-Miller, Inc. (Waltham, MA)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08J - WORKING-UP

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

B01D2323/30 - Cross-linking
B01D61/44 - Ion-selective electrodialysis
B01D67/0088 - {Physical treatment with compounds, e.g. swelling, coating or impregnation
B01D67/0093 - {Chemical modification}
B01D69/141 - {Heterogeneous membranes, e.g. containing dispersed material
B01D71/32 - containing fluorine atoms
B01D71/52 - Polyethers
B01D71/56 - Polyamides, e.g. polyester-amides
B01D71/62 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain
B01D71/64 - Polyimides
B01D71/66 - Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
B01D71/68 - Polysulfones
B01D71/82 - characterised by the presence of specified groups, e.g. introduced by chemical after-treatment

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08J - WORKING-UP

C08J2379/06 - Polyhydrazides
C08J2381/06 - Polysulfones
C08J5/2275 - {Heterogeneous membranes}

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

H01M8/0289 - Means for holding the electrolyte
H01M8/1007 - with both reactants being gaseous or vaporised
H01M8/1009 - with one of the reactants being liquid, solid or liquid-charged
H01M8/1023 - having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
H01M8/1027 - having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
H01M8/103 - having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh]
H01M8/1039 - halogenated, e.g. sulfonated polyvinylidene fluorides
H01M8/1044 - Mixtures of polymers, of which at least one is ionically conductive
H01M8/106 - characterised by the chemical composition of the porous support
H01M8/1062 - characterised by the physical properties of the porous support, e.g. its porosity or thickness
H01M8/1067 - characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
H01M8/1081 - starting from solutions, dispersions or slurries exclusively of polymers

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

Y02E60/10 - Energy storage
Y02E60/50 - Fuel cells

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

Y02P70/50 - Manufacturing or production processes characterised by the final manufactured product

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DOE Contract Number:  

FC02-97EE50478

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE