Meshram, Pratima and Abhilash, and Panday, B D and Mankhand, T R and Deveci, Haci (2016) Acid baking of spent lithium ion batteries for selective recovery of major metals: A two-step process. Journal of Industrial and Engineering Chemistry, 43 (IF- 4.421). pp. 117-126.
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The present work focuses on a two-step process for selective dissolution of metals from cathode active material of spent LIBs. Cathode powder baked at 300 °C using H2SO4 being subjected to first stage leaching with water extracted 78.6% Li, 80.4% Co in 60 min at 75 °C and 25% pulp density; recovery of Ni and Mn being low (<15%). In second stage, reductive leaching was performed using an acid mixture (H2SO4 and HNO3) with glucose solubilizing 67% Ni, 64.8% Mn in 45 min. The overall recovery of the metals was 93.2% Li, 90.52% Co, 82.8% Ni, 77.7% Mn.
|Uncontrolled Keywords:||Spent LIBsBakingSulfuric acidTwo-stage leachingReductant|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||16 Aug 2017 11:39|
|Last Modified:||18 Sep 2017 17:21|
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