Improved recovery of lithium from spent lithium-ion batteries by reduction roasting and NaHCO3 leaching - Wenke Liu; Qingwei Qin; Hailin Zhang; Wei Zhao; Xing Chen; Jiachun Xiong; Yunwu Han; Shili Zheng; Chunguang Zhang; Guangqiang Li; Ping Li (Waste Management, 2024)