| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Light Elements Technology
|
| Presentation Title |
Recovery of Lithium from Waste LIBs Using Sulfuric Acid Roasting and Water Washing |
| Author(s) |
Manis Kumar Jha, Pankaj Kumar Choubey, Rekha Panda, Om Shankar Dinkar, Nityanand Singh |
| On-Site Speaker (Planned) |
Manis Kumar Jha |
| Abstract Scope |
Lithium (Li) is one of the important elements used in the manufacturing of LIBs. In view of increasing demand of Li, lack of natural resources and generation of huge spent LIBs containing black mass (LiCoO2), present paper reports a developed process at CSIR-NML consist of sulfuric acid roasting followed by water leaching for selective recovery of Li from black mass (LiCoO2) of spent LIBs. Different process parameters viz. time, temperature, mass to volume (m/v) ratio were optimized for the roasting of cathode material. Result shows that roasting at 750 °C in 120 min maintaining m/v ratio of LiCoO2/H2SO4: 1/0.2, the Li2O of cathode material gets converted into Li2SO4. Further, 95.8% Li was dissolved from roasted mass at 75 °C using de-ionized water within 120 min. Thereafter, Li was precipitated as carbonate (Li2CO3) using Na2CO3 between pH 11 to 12 at 90 oC. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Recycling and Secondary Recovery, Extraction and Processing, Other |