Study shows sensitivity of heterojunction solar cells to soldering flux

An international research team has assessed the impact of soldering flux on heterojunction solar cells and has found that the composition of this component is key to prevent major cracks and significant peeling. Researchers from the University of New South Wales (UNSW) and Chinese-Canadian PV module maker Canadian Solar have investigated the effect of soldering flux on both TOPCon and heterojunction (HJT) solar cells and have ascertained that the choice of this component is key to avoiding potential module failures. "Our study directly addresses a critical issue: the sensitivity of HJT solar cells ...

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