Hydrometallurgical process for recovery of lithium and cobalt from spent lithium-ion secondary batteries
Hydrometallurgical process for recovery of aluminum,lithium and cobalt from the spent secondary lithium-ion batteries of Yun-lin battery recycle corporation was investigated.The recovery efficiency of spent lithium-ion secondary batteries on the hydrometallurgical process of their leachant concentration,temperature (T),time (t),solid-to-liquid ratio (S:L) were investigated.The experimental procedure include the following three major steps: (1) solvent extraction separation of aluminum by NaOH,(2) solvent extraction separation of lithium and cobalt by 3 mol/L H2SO4 (4.76 ％ (v/v) 35％ (v/v) H2O2) from the final solution after aluminum removal.Finally,(3) cobalt are precipitated by ammonium oxalate ((NH4)2C2O4) from the final solutions after aluminum removal.The experimental results for treating 3 g of anode plus in the battery by this new technique were reported,and some evaluation were also carried out.In the processing,the percent removal of impurities,such as aluminum could reach 90.6％ or more,and that of lithium and cobalt were all more than 90.0％.
hydrometallurgical recovery lithium cobalt solvent extraction
Lung-Chang Tsai Fang-Chang Tsai Ning Ma Chi-Min Shu
Doctoral Program of Engineering Science and Technology,National Yunlin University of Science and Tec Ministry of Education,Key Laboratory for the Green Preparation and Application of Functional Materia Department of Engineering Science and Technology,NYUST,＃123,Sec.3,University Rd.,Douliou,Yunlin,Taiw
国际会议
哈尔滨
英文
1688-1692
2010-07-24（万方平台首次上网日期，不代表论文的发表时间）