Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to light
Patent
1977-01-27
1978-10-03
Weisstuch, Aaron
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to light
H01M 630, H01M 636
Patent
active
041185463
ABSTRACT:
A photogalvanic cell includes a glass substrate with a transparent electrode which receives irradiating light energy. A second electrode is positioned in spaced relationship from the first electrode and has a thin film of charge storing tungsten oxide deposited thereon. Spaced from both the transparent electrode and the tungsten oxide thin film is a counterelectrode. An electrolyte having TiO.sub.2 powder mixed therein forms a photoactive site at the surface of the transparent electrode. By physically separating the tungsten oxide thin film from the transparent electrode, more light irradiates the TiO.sub.2 thereby increasing the photoconversion of the cell.
REFERENCES:
patent: 3708220 (1973-01-01), Meyers et al.
patent: 4011149 (1977-03-01), Nozik
G. Hodes et al., "Photochemical Energy Conversion & Storage Using Polycrystalline Chalcogenide Semiconductors," Bull. Israel Phys. Soc., vol. 22, p. 100, (1976).
G. Hodes et al., "Photoelectrochemical Energy Conversion & Storage Using Polycrystalline Chalcogenide Electrodes," Nature, vol. 261, pp. 403-404, (1976).
M. S. Wrighton et al., "Photoassisted Electrolysis of Water by Irradiation of a Titanium Dioxide Electrode," Proc. Nat. Acad. Sci. USA, vol. 72, No. 4, pp. 1518-1522, Apr., 1975.
Chen Schoen-nan
Deb Satyendra K.
Russak Michael A.
Witzke Horst
Gopstein Israel
Grumman Aerospace Corporation
Liss Morris
Optel Corporation
Weisstuch Aaron
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