Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite.
Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite.
Xiaohong Zheng,Wenfang Gao,5 Authors,Zhi Sun
2017 · DOI: 10.1016/j.wasman.2016.12.007
Waste Management · 344 Citations
TLDR
A full hydrometallurgical process is developed to selectively recover valuable metals (Ni, Co and Li) from cathode scrap of spent lithium ion batteries by introducing ammonia-ammonium sulphate as the leaching solution and sodium sulphite as the reductant.