Abstract
Breakages of solar cells mostly depend on the stresses induced in process, handling and transportation, and rely on the presence of defect such as micro-crack. Transporting vibration typically induces solar cell has crack propagation and performance degradation. In addition, the resonance frequency generated by test package during shipping excites the external force happened on packaged cells. This work aimed to evaluate the performance and defect coherently in solar cell caused by vibration during both truck and air transportation, and analyzed the electrical data (Pmpp, Rs, Rsh) and defects in detailed. Result showed the breakage rate due to broken cell is 2 % only, but degradation rate due to abnormal cell is accumulated to 6 %, which exposed the high potential failure for transporting cells. Consequently, this paper has proposed a comprehensive test method to alleviate the reliability obstacles of solar cells, and accelerate the development of cells protection design for transportation.
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