Abstract
Cadmium telluride is a direct band gap semiconductor with high optical absorption coefficient and excellent photoelectric conversion efficiency. Therefore, the proportion of cadmium telluride thin film solar cells in photovoltaic emerging technologies is increasing. The shortage of metal tellurium is the main factor restricting the development of cadmium telluride thin film photovoltaic cell technology. Therefore, it is necessary to recover tellurium from decommissioned cadmium telluride photovoltaic modules. In this paper, the treatment status of cadmium telluride photovoltaic decommissioning components is studied, and the characteristics of various recycling methods are analyzed and compared. Based on recent research progress and important findings, the challenges and future prospects of commercialization are forecasted.
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