Hydrogen production apparatus with electrolyte of varying...

Details Hydrogen production apparatus with electrolyte of varying... Hydrogen production apparatus with electrolyte of varying...

2006-04-26

2009-06-30

Neckel, Alexa D (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S252000

Reexamination Certificate

active

07553399

ABSTRACT:
A hydrogen production apparatus comprises a solid polymer electrolyte membrane, a pair of rigid power feeders, separators, pressing means for pressing the separators and the power feeders against the solid polymer electrolyte membrane, a pressure contact surface provided on each of the separators, a recess portion, and fluid channels. Hydrogen gas is obtained by applying a current to each of the power feeders to electrolyze water. A gap G in a range of less than an original thickness of the solid polymer electrolyte membrane is provided between a surface of the power feeder which is provided at least in the cathode side separator and the pressure contact surface. The solid polymer electrolyte membrane intrudes into the gap G, because of elasticity of the solid polymer electrolyte membrane, and directly contacts with the surface of the power feeder provided at least in the cathode side separator.

REFERENCES:
patent: 4381979 (1983-05-01), De Nora et al.
patent: 2001/0004049 (2001-06-01), Ikeda et al.
patent: 2004-071456 (2004-03-01), None

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