Nonaqueous electrolyte photoelectrochemical cell
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United States of America Patent
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Jul 10, 1984
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N/A
app pub date -
Dec 20, 1982
filing date -
Dec 20, 1982
priority date (Note) -
Expired
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Abstract
Solid-liquid interface photoelectrochemical cells are provided 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 are 10% and greater.
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