Stable n-CuInSe/sub 2/iodide-iodine photoelectrochemical cell
Patent
·
OSTI ID:5845074
In a photoelectrochemical solar cell, stable output and solar efficiency in excess of 10% are achieved with a photoanode of n-CuInSe/sub 2/ electrode material and an iodine/iodide redox couple used in a liquid electrolyte. The photoanode is prepared by treating the electrode material by chemical etching, for example in Br/sub 2//MeOH; heating the etched electrode material in air or oxygen; depositing a surface film coating of indium on the electrode material after the initial heating; and thereafter again heating the electrode material in air or oxygen to oxidize the indium. The electrolyte is treated by the addition of Cu/sup +/ or Cu/sup 2 +/ salts and in In/sup 3 +/ salts.
- Research Organization:
- Solar Energy Research Inst. (SERI), Golden, CO (United States)
- DOE Contract Number:
- AC02-83CH10093
- Assignee:
- Dept. of Energy
- Application Number:
- ON: DE85011597
- OSTI ID:
- 5845074
- Country of Publication:
- United States
- Language:
- English
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·
OSTI ID:5845074
Related Subjects
14 SOLAR ENERGY
PHOTOELECTROCHEMICAL CELLS
DESIGN
PHOTOANODES
COPPER SELENIDES
ELECTROLYTES
INDIUM SELENIDES
IODIDES
ANODES
CHALCOGENIDES
COPPER COMPOUNDS
ELECTROCHEMICAL CELLS
ELECTRODES
EQUIPMENT
HALIDES
HALOGEN COMPOUNDS
INDIUM COMPOUNDS
IODINE COMPOUNDS
SELENIDES
SELENIUM COMPOUNDS
SOLAR EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
140505* - Solar Energy Conversion- Photochemical
Photobiological
& Thermochemical Conversion- (1980-)
PHOTOELECTROCHEMICAL CELLS
DESIGN
PHOTOANODES
COPPER SELENIDES
ELECTROLYTES
INDIUM SELENIDES
IODIDES
ANODES
CHALCOGENIDES
COPPER COMPOUNDS
ELECTROCHEMICAL CELLS
ELECTRODES
EQUIPMENT
HALIDES
HALOGEN COMPOUNDS
INDIUM COMPOUNDS
IODINE COMPOUNDS
SELENIDES
SELENIUM COMPOUNDS
SOLAR EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
140505* - Solar Energy Conversion- Photochemical
Photobiological
& Thermochemical Conversion- (1980-)