As a focus of research at leading institutes the world over, new developments in the perovskite field come thick and fast almost every week. From x-ray observations on a nanoscale to financing and plans for mass production, pv magazine is bringing together some of the most exciting developments of recent weeks.
Without globally unified standards in waste management, the risk from toxic materials such as lead will become increasingly important.
This quarter, pv magazine‘s UP Initiative focuses on lead – a toxic heavy metal that’s present in many PV technologies, and one that’s often mentioned in connection with hazardous substances across the green energy supply chain. We take a closer look at the issue and ask what it would mean for manufacturers to replace lead in their modules with more environmentally friendly materials.
Lead halide perovskite PVs (LHP-PV) have rapidly emerged over the last decade as a potentially viable thin film PV technology, because of their high efficiency and potential for low manufacturing costs. However, concerns remain over potential impacts to the environment and human health arising from the use of toxic lead in LHP-PVs.
Lead plays an important role in crystalline silicon module manufacturing when it comes to cell interconnection. But even in small amounts, the presence of this toxic material in a PV module could be viewed as a black mark against the industry’s sustainable credentials. Alternatives are available, but it seems the price is not yet right for broader uptake.
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