Bonded membrane-electrode assembly for electrolysis of water...

Details Bonded membrane-electrode assembly for electrolysis of water... Bonded membrane-electrode assembly for electrolysis of water...

2008-01-29

2008-01-29

Bell, Bruce F. (Department: 1745)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S255000, C204S256000, C204S257000, C204S258000, C204S260000

Reexamination Certificate

active

07323089

ABSTRACT:
The present invention provides a bonded membrane-electrode assembly for electrolysis of water, which enables the generation of hydrogen capable of being used as a fuel for a fuel cell by electrolyzing water, and a water electrolyzer constructed using the bonded membrane-electrode assembly, so that hydrogen can be produced safely. The bonded membrane-electrode assembly includes a solid polymer electrolyte membrane, an oxygen electrode bonded to one of sides of the solid polymer electrolyte membrane, a hydrogen electrode bonded to the other side of the solid polymer electrolyte membrane. The oxygen electrode includes a porous sheet-shaped carbon element plated with iridium and coated with a mixture containing carbon and a resin for a solid polymer membrane. The hydrogen electrode includes a porous sheet-shaped carbon element which is coated with a mixture containing carbon and a resin for a solid polymer membrane and further coated with a mixture containing Pt (alloy) and/or Pt (alloy)-carried carbon and a resin for a solid polymer membrane.

REFERENCES:
patent: 5716503 (1998-02-01), Dean et al.
patent: 2002/0098407 (2002-07-01), Kunisa et al.
patent: 11-269688 (1999-10-01), None
patent: 2000-064080 (2000-02-01), None

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