Selective Recycling of Valuable Metals from Waste LiCoO2 Cathode Material of Spent Lithium-ion Batteries through Low-temperature Thermochemistry

2022 ◽  
pp. 134542
Author(s):  
Xiangping Chen ◽  
Yi Wang ◽  
Shuzhen Li ◽  
Youzhou Jiang ◽  
Yu Cao ◽  
...  
2018 ◽  
Vol 775 ◽  
pp. 419-426 ◽  
Author(s):  
Wei Sheng Chen ◽  
Hsing Jung Ho

The paper concerns an approach about using environmental technology and hydrometallurgical process to the recovery of valuable metal from waste cathode material produced during the manufacture of lithium-ion batteries. It is noteworthy that the content of nickel, manganese and cobalt from cathode material are in the extraordinary large proportion. In the acid leaching step, the essential effects of H2SO4 concentration, H2O2 concentration, leaching time, liquid-solid mass ratio and reaction temperature with the leaching percentage were investigated. The cathode material was leached with 2M H2SO4 and 10 vol.% H2O2 at 70 °C and 300 rpm using a liquid-solid mass ratio of 30 ml/g and the leaching efficiency of cobalt was 98.5%, lithium was 99.8%, nickel was 98.6% and manganese was 98.6% under optimum conditions. Kinetic study demonstrates the activation energies for those analyzed metals with Arrhenius equation and manifests the data with hybrid reaction control mechanism. The process was proved from activation energies ranged from 27.79 to 47.25 kJ/mol. Finally, the valuable metals will be leached in sulfuric acid effectively.


RSC Advances ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 268-277
Author(s):  
Xuan Yang ◽  
Yingjie Zhang ◽  
Qi Meng ◽  
Peng Dong ◽  
Peichao Ning ◽  
...  

Recovery of valuable metals from the leachate of cathode material mechanically separated from mixed spent lithium-ion batteries by sequential precipitation.


2014 ◽  
Vol 256 ◽  
pp. 89-92 ◽  
Author(s):  
Chairul Hudaya ◽  
Ji Hun Park ◽  
Joong Kee Lee ◽  
Wonchang Choi

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