Chinese scientists identify degradation pathways in low-silver heterojunction solar cells

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Chinese scientists have identified degradation pathways in low-silver heterojunction solar cells by investigating thermal aging effects in silver-coated copper electrodes. The study provides insight into improving metallization reliability for solar technology.

Researchers investigated thermal aging in silver-coated copper electrodes for heterojunction solar cells, finding that silver-copper interdiffusion significantly increases contact resistance and degrades electrical performance. The study links microstructural evolution to a shift from sintering-enhanced conductivity to defect-driven network breakdown, providing guidance for improving long-term metallization reliability. The post Chinese scientists identify degradation pathways in low-silver heterojunction solar cells appeared first on pv magazine Global.