Investigation of reliability attributes and accelerated stress factors of terrestrial solar cells. First annual report
The results of accelerated stress testing of four different types of silicon terrestrial solar cells are discussed. The accelerated stress tests used included bias-temperature tests, bias-temperature-humidity tests, thermal cycle and thermal shock tests, and power cycle tests. Characterization of the cells was performed before stress testing and at periodic down-times, using electrical measurement, visual inspection, and metal adherence pull tests. Electrical parameters measured included short-circuit current, I/sub sc/, open circuit voltage, V/sub oc/, and output power, voltage, and current at the maximum power point, P/sub m/, V/sub m/, and I/sub m/ respectively. Incorporated in the report are the distributions of the prestress electrical data for all cell types. Data was also obtained on cell series and shunt resistance. Significant differences in the response to the various stress tests was observed between cell types. On the basis of the experience gained in this research work, a suggested Reliability Qualification Test Schedule was developed.
- Research Organization:
- Clemson Univ., SC (USA)
- DOE Contract Number:
- NAS-7-100-954929
- OSTI ID:
- 5779711
- Report Number(s):
- DOE/JPL/954929-4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
SILICON SOLAR CELLS
MECHANICAL TESTS
RELIABILITY
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
GRAPHS
HUMIDITY
ISOLATED VALUES
OPERATION
STRESSES
TEMPERATURE EFFECTS
THERMAL CYCLING
THERMAL SHOCK
CURRENTS
DATA
DATA FORMS
DIRECT ENERGY CONVERTERS
EQUIPMENT
INFORMATION
MATERIALS TESTING
NUMERICAL DATA
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SOLAR CELLS
SOLAR EQUIPMENT
TESTING
140501* - Solar Energy Conversion- Photovoltaic Conversion