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Author Licht, S. ♦ Manassen, J.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword SOLAR ENERGY ♦ MATERIALS SCIENCE ♦ INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ♦ PHOTOELECTROCHEMICAL CELLS ♦ ELECTROCHEMISTRY ♦ ELECTRODES ♦ ELECTROLYTES ♦ ENERGY EFFICIENCY ♦ AQUEOUS SOLUTIONS ♦ CADMIUM COMPOUNDS ♦ CADMIUM SELENIDES ♦ CADMIUM TELLURIDES ♦ CHALCOGENIDES ♦ COBALT SULFIDES ♦ ELECTRICAL PROPERTIES ♦ ENERGY LOSSES ♦ FIELD TESTS ♦ PERFORMANCE ♦ PHOTOCHEMISTRY ♦ POLYETHYLENES ♦ SULFIDES ♦ THIN FILMS ♦ TIN ♦ VOLTAMETRY ♦ CHEMISTRY ♦ COBALT COMPOUNDS ♦ DISPERSIONS ♦ EFFICIENCY ♦ ELECTROCHEMICAL CELLS ♦ ELEMENTS ♦ EQUIPMENT ♦ FILMS ♦ LOSSES ♦ METALS ♦ MIXTURES ♦ ORGANIC COMPOUNDS ♦ ORGANIC POLYMERS ♦ PHYSICAL PROPERTIES ♦ POLYMERS ♦ POLYOLEFINS ♦ SELENIDES ♦ SELENIUM COMPOUNDS ♦ SOLAR EQUIPMENT ♦ SOLUTIONS ♦ SULFUR COMPOUNDS ♦ TELLURIDES ♦ TELLURIUM COMPOUNDS ♦ TESTING ♦ TRANSITION ELEMENT COMPOUNDS ♦ Solar Energy Conversion- Photochemical, Photobiological, & Thermochemical Conversion- (1980-) ♦ Materials- Properties ♦ Electrochemistry ♦ Photochemistry
Abstract A photoelectrical system is presented which converts solar energy to both electrical and electrochemically stored energy. A decrease in cell illumination initiates spontaneous reconversion of electrochemical to electrical energy, providing nearly constant (light insensitive) electrical power for an external applied load. The cell contains a thin film CD(Se,Te) photoelectrode and a thin film CoS counterelectrode immersed in an aqueous polysulfide electrolyte separated by cation selective membrane from a tin electrode immersed in an aqueous sulfide electrolyte (Sn/S/sup =/). Cyclic voltammetry indicates that unlike tin/alkali systems, the Sn/S/sup =/ half-cell does not undergo passivation at storage potentials.
Educational Use Research
Learning Resource Type Article
Publisher Date 1987-05-01
Publisher Place United States
Journal J. Electrochem. Soc.
Volume Number 135
Issue Number 5
Organization Dept. of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139


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