From pv magazine France
The European aim to establish a PV value chain faces the sector's substantial raw material requirements. Given the energy transition context, recycling valuable materials is of strategic importance. With this objective, CEA has harnessed its technical expertise to create an innovative process for recycling silver and silicon at the end of their life cycle.
“The CEA has been deploying R&D for more than 60 years in a circular economy context, with the nuclear fuel cycle which is part of this logic of circularity,” Virginie Basini, head of CEA's sustainable technologies department, told pv magazine France.
Silver represents more than 30% of a panel's value.
“The whole challenge of recycling is to guarantee maximum purity of this high-value material in order to allow its reuse,” Basini said. “This is also the case for silicon, the majority of which recovered could be directed towards the high purity silicon sectors used in microelectronics or photovoltaics. The glass, which remains intact after delamination, can also be recycled in the flat glass sector.”
While there isn't an established channel for repurposing panels, a significant growth in such utilization is anticipated in the near future. In the Auvergne Rhône-Alpes region, an emerging industrial sector is being shaped by Solreed, a company established in 2023 as a CEA spinoff. This startup is set to forge partnerships among private, public, and ESS entities to drive the development of this novel sector.
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