A novel closed-loop process for the simultaneous recovery of valuable metals and iron from a mixed type of spent lithium-ion batteries

2019 ◽  
Vol 21 (23) ◽  
pp. 6342-6352 ◽  
Author(s):  
Xiangping Chen ◽  
Jiazhu Li ◽  
Duozhi Kang ◽  
Tao Zhou ◽  
Hongrui Ma
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Mixed Type ◽  
Closed Loop ◽  
Lithium Ion ◽  
Recycling Process ◽  
Valuable Metals ◽  
Spent Libs

Valuable metals and Fe can be simultaneously recovered from spent LIBs to regenerate cathode materials by closed-loop recycling process.

scholarly journals A Sustainable Process for the Recovery of Anode and Cathode Materials Derived from Spent Lithium-Ion Batteries

2019 ◽  
Vol 11 (8) ◽  
pp. 2363 ◽  
Author(s):  
Guangwen Zhang ◽  
Zhongxing Du ◽  
Yaqun He ◽  
Haifeng Wang ◽  
Weining Xie ◽  
...  
Keyword(s):  
Cathode Material ◽  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Anode Materials ◽  
Electrode Materials ◽  
Lithium Ion ◽  
Recycling Process ◽  
Flotation Process ◽  
Pyrolysis Characteristics ◽  
Spent Libs

The recovery of cathode and anode materials plays an important role in the recycling process of spent lithium-ion batteries (LIBs). Organic binders reduce the liberation efficiency and flotation efficiency of electrode materials derived from spent LIBs. In this study, pyrolysis technology is used to improve the recovery of cathode and anode materials from spent LIBs by removing organic binders. Pyrolysis characteristics of organics in electrode materials are investigated, and on this basis, the effects of pyrolysis parameters on the liberation efficiency of electrode materials are studied. Afterwards, flotation technology is used to separate cathode material from anode material. The results indicate that the optimum liberation efficiency of electrode materials is obtained at a pyrolysis temperature of 500 °C, a pyrolysis time of 15 min and a pyrolysis heating rate of 10 °C/min. At this time, the liberation efficiency of cathode materials is 98.23% and the liberation efficiency of anode materials is 98.89%. Phase characteristics of electrode materials cannot be changed under these pyrolysis conditions. Ultrasonic cleaning was used to remove pyrolytic residues to further improve the flotation efficiency of electrode materials. The cathode material grade was up to 93.89% with a recovery of 96.88% in the flotation process.

Recycling Process for Spent Cathode Materials of LiFePO4 Batteries

2019 ◽  
Vol 943 ◽  
pp. 141-148 ◽  
Author(s):  
Xiao Tong Jiang ◽  
Pan Wang ◽  
Long Hui Li ◽  
Jia Yu ◽  
Yu Xin Yin ◽  
...  
Keyword(s):  
High Temperature ◽  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Solid Phase ◽  
Specific Capacity ◽  
Lithium Ion ◽  
Carbon Layer ◽  
Lithium Content ◽  
Recycling Process ◽  
Gradual Loss

The cathode materials of LiFePO4 batteries decreases due to the gradual loss of lithium content during use. In this paper, the spent cathode materials were recycled with a carbon layer coated. The samples were prepared by a high temperature impurity removal procession and a solid phase repairing method. The LiFePO4 material obtained by the regeneration process has a discharge specific capacity of 105.4 mAh/g at 0.1 C after 10 cycles, and keeps it a considerable retention of 73.1 mAh/g at 1 C. This work provides a new routine in reusing lithium ion batteries.

A green and effective room-temperature recycling process of LiFePO4 cathode materials for lithium-ion batteries

2019 ◽  
Vol 85 ◽  
pp. 437-444 ◽  
Author(s):  
Li Li ◽  
Yifan Bian ◽  
Xiaoxiao Zhang ◽  
Ying Yao ◽  
Qing Xue ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Room Temperature ◽  
Lithium Ion ◽  
Recycling Process ◽  
Lifepo4 Cathode

Effect of Cu substitution on structures and electrochemical properties of Li[NiCo1−xCuxMn]1/3O2 as cathode materials for lithium ion batteries

2015 ◽  
Vol 44 (42) ◽  
pp. 18624-18631 ◽  
Author(s):  
Zhao-Jin Wu ◽  
Dong Wang ◽  
Zhi-Fang Gao ◽  
Hai-Feng Yue ◽  
Wei-Ming Liu
Keyword(s):  
Electrochemical Properties ◽  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Lithium Ion ◽  
Cu Substitution ◽  
Metal Doped ◽  
Spent Libs

This study on Cu-doped Li[NiCoMn]1/3O2 provides support for reusing Cu as a beneficial dopant in the production of metal-doped Li[NiCoMn]1/3O2 from spent LIBs.

scholarly journals Recycling and Direct-Regeneration of Cathode Materials from Spent Ternary Lithium-Ion Batteries by Hydrometallurgy: Status Quo and Developing

2020 ◽  
Author(s):  
Lizhen Duan ◽  
Yaru Cui ◽  
Qian Li ◽  
Juan Wang ◽  
Chonghao Man ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Raw Materials ◽  
Lithium Ion ◽  
Deep Eutectic Solvents ◽  
Development Trend ◽  
Direct Regeneration ◽  
Regeneration System ◽  
Valuable Metals ◽  
Co Precipitation

The cathodes of spent ternary lithium-ion batteries (LIBs) are rich in non-ferrous metals, such as lithium (Li), nickel (Ni), cobalt (Co)and manganese (Mn), which are important strategic raw materials and also potential sources of environmental pollution. How to extract these valuable metals cleanly and efficiently from spent cathodes is of great significance for sustainable development of LIBs industry. In the light of low energy consumption, green and high recovery efficiency, this paper provides an overview on different recovery technologies to recycle valuable metals in cathode materials of spent ternary LIBs. And the development trend and application prospects on recovery strategies for cathode materials in spent ternary LIBs are simply predicted also. It is proved that the high economic recovery system of “alkaline solution dissolution/calcination pre-treatment → H2SO4 leaching → H2O2 reduction → co-precipitation regeneration NCM” will be the dominant stream for recycling retired NCM batteries soon. Furthermore, the emerging advanced technologies, such as deep eutectic solvents (DESs) extraction and one–step direct regeneration/recovery of NCM cathode materials are preferred methods to substitute conventional regeneration system in the future.

Sign in / Sign up

Export Citation Format

Share Document