Photoelectrolysis of water using proton exchange membranes

Details Photoelectrolysis of water using proton exchange membranes Photoelectrolysis of water using proton exchange membranes

2006-05-02

2006-05-02

King, Roy (Department: 1742)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S246000, C204S247000, C204S252000, C204S266000, C205S340000, C205S334000, C205S633000, C205S637000

Reexamination Certificate

active

07037414

ABSTRACT:
A photoelectrochemical cell which includes a light transmissive enclosure, a semiconductor photoanode disposed within the light transmissive enclosure, a semiconductor photocathode disposed within the light transmissive enclosure, and an electrolytic solution disposed entirely between the semiconductor photoanode and the semiconductor photocathode. This is achieved by the use of semiconductor photoelectrodes (photoanodes and photocathodes) which include a proton exchange membrane having an electrolyte facing surface in contact with the electrolytic solution and a light transmissive wall facing surface, and having a photo electro-catalyst disposed on the light transmissive wall facing surface.

REFERENCES:
patent: 4181593 (1980-01-01), McKinzie et al.
patent: 4215155 (1980-07-01), McKinzie et al.
patent: 4400451 (1983-08-01), Gordon
patent: 6409893 (2002-06-01), Holzbock et al.
patent: 2002/0127474 (2002-09-01), Fleischer et al.

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