Sundrive founders David Hu and Vince Allen have been leading a small team working to replace silver with copper in solar cells.(Supplied: Sundrive)
Today, about 15 per cent of the world's industrial consumption of silver goes into making solar cells.
"If the industry is to grow by an order of magnitude — which is predicted to happen — that presents a significant challenge," Sundrive CEO Vince Allen said.
He co-founded the small company in New South Wales that is quietly working to replace silver with copper in solar cell manufacturing…..
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