Print Email Facebook Twitter In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for Cu(In,Ga)Se2 Solar Cells Title In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for Cu(In,Ga)Se2 Solar Cells Author Theelen, M. Bakker, K. Steijvers, H. Roest, S. Hielkema, P. Barreau, N. Haverkamp, E. Publication year 2018 Abstract The levelized cost of electricity (LCOE) of photovoltaic (PV) systems is determined by, among other factors, the PV module reliability. Better prediction of degradation mechanisms and prevention of module field failure can consequently decrease investment risks as well as increase the electricity yield. An improved knowledge level can for these reasons significantly decrease the total costs of PV electricity. In order to better understand and minimize the degradation of PV modules, the occurring degradation mechanisms and conditions should be identified. This should preferably happen under combined stresses, since modules in the field are also simultaneously exposed to multiple stress factors. Therefore, two 'Combined Stress test with in situ measurement' setups have been designed and constructed. These setups allow the simultaneous use of humidity, temperature, illumination, and electrical biases as independently controlled stress factors on solar cells and minimodules. The setups also allow real-time monitoring of the electrical properties of these samples. This protocol presents these setups and describes the experimental possibilities. Moreover, results obtained with these setups are also presented: various examples about the influence of both deposition and degradation conditions on the stability of thin film Cu(In,Ga)Se2 (CIGS) as well as Cu2ZnSnSe4 (CZTS) solar cells are described. Results on the temperature dependency of CIGS solar cells are also presented. Subject Industrial InnovationBioengineeringIssue 140CIGSCZTSDamp heatDegradationElectrical loadsIlluminationIn situ analysisMonitoringSolar cells To reference this document use: http://resolver.tudelft.nl/uuid:81b46f2c-e581-4907-83c2-d457cf695e99 DOI https://doi.org/10.3791/55897 TNO identifier 843130 Publisher NLM (Medline) ISSN 1940-087X Source Journal of visualized experiments : JoVE (140) Document type article Files To receive the publication files, please send an e-mail request to TNO Library.