研究目的
Investigating the suitability of N.I.C.E.? module technology for temperature-sensitive silicon heterojunction (SHJ) solar cells and its performance with different front metal pastes.
研究成果
The N.I.C.E.? technology is well suited for modules with temperature-sensitive SHJ solar cells, achieving module efficiencies up to 20.6%. The series resistance increase after module fabrication is minimal, and the technology is competitive with standard laminate-based module technology. Future work includes optimizing the antireflection coating for N.I.C.E.? modules.
研究不足
The study was conducted on a lab-scale, and the manual processes may not fully represent industrial-scale production challenges. The antireflection coating of the cells was optimized versus EVA, which may not be ideal for N.I.C.E.? modules.
1：Experimental Design and Method Selection:
The study involved the fabrication of N.I.C.E.? modules with SHJ solar cells using manual processes, including glass cleaning, application of polyisobutylene edge seal tape, deposition of glue strips, positioning of cells, and final pressing step adapted from a standard lab-size laminator.
2：Sample Selection and Data Sources:
SHJ solar cells from Fraunhofer ISE with screen-printed contacts differing by the paste used for the front fingers were integrated into 1x1 and 3x4 N.I.C.E.? modules.
3：List of Experimental Equipment and Materials:
Solar glass with ARC on both sides, polyisobutylene (PIB) edge seal tape, glue strips, pure Cu interconnectors, and a second glass pane.
4：Experimental Procedures and Operational Workflow:
Modules were characterized by light current-voltage (LIV) curves and electroluminescence (EL) imaging to prove the contact quality.
5：Data Analysis Methods:
The series resistance Rs was measured and compared between cell and module levels, and SunSolve? simulations were used to model LIV parameters.
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