Anhydrous proton conductor based on heterocycle attached to...

Details Anhydrous proton conductor based on heterocycle attached to... Anhydrous proton conductor based on heterocycle attached to...

2006-01-11

2008-10-14

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S314000, C521S027000

Reexamination Certificate

active

07435496

ABSTRACT:
The invention relates to proton-conducting polymers, including tetrazole-containing polymers. Proton-conducting membranes useful for fuel cell applications are formed from mixtures of a polymer with one or more non-aqueous proton sources. In representative examples of the present invention, tetrazole groups are attached to a polymer backbone such as polyphosphazene, the tetrazole groups interacting with the proton source.

REFERENCES:
patent: 5525436 (1996-06-01), Savinell et al.
patent: 6365294 (2002-04-01), Pintauro et al.
patent: 6723757 (2004-04-01), Kerres et al.
patent: 2003/0219640 (2003-11-01), Nam et al.
patent: 2004/0146769 (2004-07-01), Birschbach
patent: WO 00/72395 (2000-11-01), None
patent: WO 03/077340 (2003-09-01), None

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