Thermionic-photovoltaic energy converter
Patent
·
OSTI ID:6334925
A thermionic-photovoltaic energy conversion device comprises a thermionic diode mounted within a hollow tubular photovoltaic converter. The thermionic diode maintains a cesium discharge for producing excited atoms that emit line radiation in the wavelength region of 850 nm to 890 nm. The photovoltaic converter is a silicon or galium arsenide photovoltaic cell having bandgap energies in this same wavelength region for optimum cell efficiency.
- Assignee:
- The United States of America as represented by the Administration of the National Aeronautics and Space Administration
- Patent Number(s):
- US 4528417
- OSTI ID:
- 6334925
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALKALI METALS
CESIUM
DESIGN
DIODE TUBES
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC DISCHARGES
ELECTRON TUBES
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXCITATION
GALLIUM ARSENIDE SOLAR CELLS
METALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
THERMIONIC DIODES
THERMIONIC TUBES
TUBES
WAVELENGTHS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALKALI METALS
CESIUM
DESIGN
DIODE TUBES
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC DISCHARGES
ELECTRON TUBES
ELEMENTS
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXCITATION
GALLIUM ARSENIDE SOLAR CELLS
METALS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
THERMIONIC DIODES
THERMIONIC TUBES
TUBES
WAVELENGTHS