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Title: Fuel cell water management via reduced anode reactant pressure

Patent ·
OSTI ID:1532149
; ;

A method is provided for operation of a fuel cell with improved water management by maintaining reduced anode pressure relative to cathode pressure, relative to atmospheric pressure, or both. Typically, the fuel cell comprises a membrane electrode assembly comprising nanostructured thin film cathode catalyst.

Research Organization:
3M Innovative Properties Company
Sponsoring Organization:
USDOE
DOE Contract Number:
FG36-07GO17007
Assignee:
3M Innovative Properties Company (St. Paul, MN)
Patent Number(s):
9,276,273
Application Number:
13/642,309
OSTI ID:
1532149
Resource Relation:
Patent File Date: 2011-04-26
Country of Publication:
United States
Language:
English

References (19)

Fuel cell cathode catalyst patent September 2008
Article having surface layer of uniformly oriented, crystalline, organic microstructures patent March 1989
Catalyst for membrane electrode assembly and method of making patent March 2000
Nanostructured electrode membranes patent August 1994
Method for preparing an article having surface layer of uniformly oriented, crystalline, organic microstructures patent August 1991
Fuel cell and method for operating the same patent-application June 2001
Gas diffusion layer paste, gas diffusion layer, polymer electrolyte fuel cell and method of preparing gas diffusion layer paste patent-application October 2006
Suboxide fuel cell catalyst for enhanced reformate tolerance patent November 2002
Membrane electrode assembly patent March 1999
Catalyst for membrane electrode assembly and method of making patent March 1999
Fuel-cells generator system and method of generating electricity from fuel cells patent July 1999
Composite article comprising oriented microstructures patent August 1994
Proton exchange membrane fuel cell patent January 2007
Procedure for starting up a fuel cell using a fuel purge patent-application June 2005
Fuel cell nanocatalyst patent November 2009
Membrane electrode assembly patent November 2001
Assisted Stack Anode Purge at Start-up of Fuel Cell System patent-application April 2009
Fuel supply system for fuel cell system designed to ensure stability in regulating flow rate of recirculated off-gas patent-application July 2005
Organic thin film controlled molecular epitaxy patent January 1993

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