Selective lithium recovery from spent LiFePO4 batteries: From mechanistic investigation to pilot-scale validation - Yu Zhang; Jiangmin Guo; Xingrui Li; Tianmeng Ye; Xiaoting Liu; Yuxuan Ying; Shaojun Liu; Guoneng Li; Weihong Wu; Chenghang Zheng; Xiang Gao (Chemical Engineering Journal, 2026)