Photoelectrochemical cell

Details Photoelectrochemical cell Photoelectrochemical cell

1984-07-05

1988-08-16

Weisstuch, Aaron

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

H01M 636

Patent

active

047644397

ABSTRACT:
A method for converting solar energy to electricity is provided using solid-liquid interface photoelectrochemical cells wherein the liquid phase comprises a nonaqueous solvent, an electrolyte dissolved therein forming an ionically conductive solution and a redox couple suitable to accept and donate electrons from and to the electrodes. The redox couple is present in an amount sufficient to sustain a predetermined current and the concentrations of the electrolyte and redox couple in the solution are sufficient to provide no greater than a selected small voltage drop relative to the output voltage of the cell. The efficiency of conversion of light to electrical energy of such photoelectrochemical cells is 10% and greater.

REFERENCES:
patent: 4459343 (1984-07-01), Gibbons et al.
R. J. Gale et al., Solar Energy Materials, vol. 4, pp. 135-149 (1981).

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