Polymer electrolyte medium and direct methanol fuel cell

Details Polymer electrolyte medium and direct methanol fuel cell Polymer electrolyte medium and direct methanol fuel cell

2006-02-08

2010-06-08

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S047000

Reexamination Certificate

active

07732077

ABSTRACT:
According to one embodiment, a polymer electrolyte medium is represented by the following general formula (I)where R is sulfonic acid or phosphoric acid, and n is an integer from 1 to 8000.

REFERENCES:
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patent: 6264857 (2001-07-01), Kreuer et al.
patent: 6723757 (2004-04-01), Kerres et al.
patent: 2002/0094466 (2002-07-01), Kerres et al.
patent: 2003-36864 (2003-02-01), None
patent: WO 01/84657 (2001-11-01), None
patent: WO 01/94450 (2001-12-01), None
patent: WO 03/062493 (2003-07-01), None
European Search Report issued by the European Patent Office dated Apr. 25, 2006, for European Application No. 06100820.7.

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