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| Direct Atmospheric Leaching of Spent Lithium-Ion Batteries in Ammoniacal Solutions |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Spent lithium-ion batteries;Atmospheric oxidation;Ammoniacal leaching; |
| YANG Bo,LI Dun-fang,WANG Cheng-yan,YIN Fei,CHEN Yong-qiang,JIE Xiao-wu,YANG Yong-qiang,WANG Nian-wei,WANG Jun |
| Beijing General Research Institute of Mining & Metallurgy;Beijing 100044;China |
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| Abstract: |
| Ammoniacal solutions containing ammonia and ammonium salts,such as ammonium sulphate,ammonium carbonate or ammonium chloride,were adopted as leaching media for spent lithium-ion batteries(LIBs).Leaching test was carried out at room temperature by introduction of air.The leaching rates of lithium and cobalt in spent LIBs were less than 22.4% and 12.5%,respectively,while the leaching rate of copper reached 98.86%,which meant that copper could be separated from lithium and cobalt through leaching.Among the thr... |
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