Analysis of EOL prediction methodology for triple-junction solar cells in actual radiation environment

We investigated an optimal methodology for predicting end-of-life performance of triple-junction space solar cells using two major prediction methods (JPL and NRL produced). Neither prediction method could be applied to proton degradation after the current-limiting cell change, while electron degradation can be predicted using both methods even if the change occurred. The prediction methodology for an actual radiation environment was proposed based on the combinational irradiations by protons and electrons.