Dye-titanium dioxide photogalvanic cell

Details Dye-titanium dioxide photogalvanic cell Dye-titanium dioxide photogalvanic cell

1976-11-11

1978-03-21

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

H01M 630, H01M 636

Patent

active

040804887

ABSTRACT:
A photogalvanic cell has a glass substrate through which irradiating light passes. A light transparent conductive thin film serves as an electrode, the film being deposited upon the glass substrate. Another layer is an electrolyte and includes an aqueous medium having TiO.sub.2 suspended therein, the TiO.sub.2 forming photoactive sites with the remaining ingredients of the electrolyte. The electrolyte layer further includes N-methylphenazine methosulfate dye which has photoconversion and electrical storage properties. During irradiation the cell may drive a load, or stored energy resulting from irradiation may drive a load after the source of irradiation is removed.

REFERENCES:
patent: 3989542 (1976-11-01), Clark
patent: 4037029 (1977-07-01), Anderson
H. Gerischer et al. "Photoelektrochemische Prozesse und Photokatalyse an Zinkoxid-Suspensionen und Zinkoxid-Deckschichten" Ber. Bunsen Gesell, vol. 76, pp. 385-388 (1972).
J. R. Bolton, "Photochemical Storage of Solar Energy by the Dye Sensitized Photolysis of Water", Proc. VIII Int'l Conf. on Photochem, Edmonton, Canada, Aug. 1975.
A. J. Nozik "Photoelectrolysis of Water Using Semiconducting TiO.sub.2 Crystals", Nature, vol. 257, pp. 383-386, Oct. 1975.
R. Gomer, "Photogalvanic Cells", Electrochimica Acta, vol. 20, pp. 13-20, (1975).

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