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Cathodic electrochemical process for preventing or retarding microbial and calcareous fouling
(United States. Patent and Trademark Office, 1984-04-03)
This invention relates to a method for preventing or retarding microbial or calcareous fouling of a conducting or semi-conducting surface in an aqueous environment. This method produces an effective concentration of hydrogen ...
One-unit photo-activated electrolyzer
(United States. Patent and Trademark Office, 1988-12-13)
A photo-activated semiconductor device is adapted to be exposed to light energy. Two physically separated electrocatalysts are placed in electrical contact with the photo-activated semiconductor device. An electrolytic ...
One-unit photo-activated electrolyzer
(United States. Patent and Trademark Office, 1988-02-02)
A photo-activated semiconductor device is adapted to be exposed to light energy. Two physically separated electrocatalysts are placed in electrical contact with the photo-activated semiconductor device. An electrolytic ...
Photo-assisted electrolysis cell with p-silicon and n-silicon electrodes
(United States. Patent and Trademark Office, 1985-02-26)
The photoelectrolysis of water by solar radiation to produce hydrogen and oxygen is achieved using semiconductor electrodes. The cell comprises a p-silicon wafer treated with catalyst as photocathode and metal doped n-silicon ...