7CASTILLO S, ANSART F, LABERTY-ROBERT C,et al. Advances in the recovering of spent lithium battery compounds [J]. J Power Source,2002,112(1 ):247-254.
8DANUZA P M,GERMANO D,RENATA C A E,et al. Analysis of a hydrometallurgical route to recover base metals from spent re- chargeable batteries by liquid-liquid extraction with Cyanex 272 [J]. Journal of Power Source,2006,159(2): 1510-1518.
9DEBARAJ M, KIM D J, RALPH D E, et al. Bioleaching of metals fi'om spent lithium ion secondary batteries using acidithiobacillus ferrooxidans [J]. Waste Management, 2008,25(2):333-338.