Composite films for electrochemical devices

Details Composite films for electrochemical devices Composite films for electrochemical devices

2005-07-26

2005-07-26

Crepeau, Jonathan (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S006000, C029S623400, C502S101000

Reexamination Certificate

active

06921606

ABSTRACT:
Composite film articles and assemblies that include at least one layer of expanded fluoropolymer bonded to at least one thermoplastic sheet are fabricated using a method which can adjust the gas and liquid permeability of the composite film assemblies. These composite film articles and assemblies optionally have electroactive properties and a thin porous metallic overlayer that can serve as a current collector, and can be used in electrochemical devices such as air depolarized cells.

REFERENCES:
patent: 4576861 (1986-03-01), Kato
patent: 5053375 (1991-10-01), Rao
patent: 6248476 (2001-06-01), Sun et al.
patent: 6558828 (2003-05-01), Guo
patent: WO 95/32093 (1995-11-01), None
patent: WO 01/59862 (2001-08-01), None

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