Recovery of crystalline silicon from waste solar cells by a green deep eutectic solvent–hydrogen peroxide system
Ruying Yang, Nengwu Zhu, Yunhao Xi, Sunjuanzi Gao, Pingxiao Wu, Zhi Dang
Abstract
A new ChCl–OA–H 2 O 2 strategy was proposed to recover silicon from solar cells with high metal leaching efficiency with higher acidity and lower activation energy, which provided purity and retention rate for Si of 97.47 and 99.41%, respectively.
Topics & Concepts
Eutectic systemHydrogen peroxideSiliconSolventCrystalline siliconChemistryMaterials scienceDeep eutectic solventChemical engineeringInorganic chemistryOrganic chemistryAlloyEngineeringExtraction and Separation Processes