Separated flow liquid catholyte aluminum hydrogen peroxide...

Details Separated flow liquid catholyte aluminum hydrogen peroxide... Separated flow liquid catholyte aluminum hydrogen peroxide...

2005-02-01

2005-02-01

Ryan, Patrick (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in solution

C429S110000, C429S119000

Reexamination Certificate

active

06849356

ABSTRACT:
The present invention relates to an improved semi-fuel cell and an improved cathode used therein. The semi-fuel cell stack comprises a housing, an anode within the housing, a porous cathode within the housing, an aqueous catholyte within the housing, an aqueous anolyte stream flowing in the housing, and a membrane for preventing migration of the catholyte through the porous cathode and into the anolyte stream. In a preferred embodiment of the present invention, the catholyte comprises an aqueous hydrogen peroxide solution, the anolyte comprises a NaOH/seawater solution, and the membrane permits passage of OH−ions while inhibiting the passage of hydrogen peroxide. The membrane is attached to a surface of the cathode or alternatively, impregnated into the cathode.

REFERENCES:
patent: 4492741 (1985-01-01), Struthers
patent: 4614693 (1986-09-01), Hashimoto et al.
patent: 5445905 (1995-08-01), Marsh et al.
patent: 6228527 (2001-05-01), Medeiros et al.

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