Method of making a membrane electrode assembly for...

Details Method of making a membrane electrode assembly for... Method of making a membrane electrode assembly for...

2007-06-05

2007-06-05

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S010000, C429S047000

Reexamination Certificate

active

10601275

ABSTRACT:
A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange membrane. In particular, a one-sided CCM may be used where it may not be practicable to coat both sides of the ion-exchange membrane with catalyst layers such as when PTFE is added to the anode catalyst layer to render it reversal tolerant.

REFERENCES:
patent: 5234777 (1993-08-01), Wilson
patent: 6517962 (2003-02-01), Knights et al.
patent: 6977234 (2005-12-01), Kosako et al.
patent: 2003/0091891 (2003-05-01), Yoshida et al.
patent: 2003/0108781 (2003-06-01), Oh et al.
patent: WO 02/39526 (2002-05-01), None

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