Featured in The two sides of Australia's solar success – 10-2019

A lead-free future for solar PV

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.

By

Mark Hutchins

21 Oct 2019

Image: teamtechnik

According to the International Lead Association, around 5 million tons of lead ores are mined per year, and the global market for the refined product is worth about $15 billion. Lead is found in various minerals within the earth’s crust, and has a wide range of industrial uses, though the bulk of demand for the …

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