CdTe photovoltaic (PV) solar panel occupies approximately 5% of the PV solar panel market worldwide, as the second deployed PV technology following crystalline silicon. To ensure a circular economy of critical materials, it is important to recover Cd and Te from end-of-life CdTe solar cells. Current industrial recycling processes of CdTe solar panels involve multiple stages of chemical oxidation, separation, and precipitation, which require high energy and chemical consumption. Different electrochemical processes are compared and evaluated to recover Cd and Te from shredded CdTe solar cells as possible alternatives. Cd and Te are selectively leached and precipitated with mediated electrochemical oxidation processes. In this ongoing work, electrochemical systems show potential to decarbonize the CdTe recycling industry.
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Repukaiti et al. (2024) studied this question.
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