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Advanced Production I-V Testing for PERC and n-type Solar Cells and Modules

05 Sep 2017
16:45 - 17:15

Advanced Production I-V Testing for PERC and n-type Solar Cells and Modules

The Al BSF solar cell has been the mainstay of industry for 40 years. As the industry moves to PERC and n-type solar cell designs, the requirements for process control and IV-testing of cells and modules are completely different. The new cell designs are incredibly sensitive to wafer quality, process sequence, and process control parameters. Traditional IV-test equipment is inadequate for accurately characterizing the essential parameters to insure high efficiency at high yield for the new technologies. This presentation will highlight production equipment that has been purpose-built for effectively characterizing high-efficiency cells and modules at line speed. The advanced capabilities of the tools will be presented. For contrast, the presentation will also highlight key deficiencies and potential errors possible from usingtraditional standard-operating procedures and IV testers at cell and module test.