报告详情
End-of-life lithium-ion batteries recycling study
编号：381
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更新：2024-05-18 11:28:35
浏览：987次
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报告开始：暂无开始时间（Asia/Shanghai）
报告时间：暂无持续时间
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摘要
| Efficient recovery of lithium from spent lithium-ion batteries is crucial for promoting eco-friendly recycling practices. This process involves several sequential steps: shredding de-energized lithium-ion batteries to produce a black mass, washing the black mass to remove aluminum and fluorine, roasting the black mass to generate a reduced black mass, and conducting simultaneous aqueous leaching and electrochemical lithium-ion purification to extract soluble lithium species. During the purification stage, a voltage of approximately 2.5-6.5 volts is applied, with a current density ranging from 20-1150 mA/cm², across the anode and cathode. This process is facilitated by employing a lithium-ion separator, which typically comprises a flow cell or electrolyzer featuring an anode compartment, a cathode compartment, and a cation exchange membrane. The cation exchange membrane, constructed from polymeric materials containing fixed negatively charged species such as sulfonic groups, serves to selectively transport positively charged species through. Commonly used brands for such membranes include Nafion®, Fumasep®, and Aquivion®. This setup enables the efficient extraction and purification of lithium species during the recycling process of lithium-ion batteries. By integrating these techniques and systems, efficient lithium recovery from spent lithium-ion batteries can be realized, thereby advancing eco-friendly recycling practice and promoting sustainable resource management. |
关键词
Lithium Recovery, Spent Lithium-Ion Batteries, Aluminum and Fluorine Removal, Thermal Treatment, Electrochemical Purification
报告人
Tingfei Chen
Assistant Research E University of Kentucky全部评论
重要日期
-
会议日期
05月29日
2024
至06月01日
2024
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05月08日 2024
初稿截稿日期
主办单位
中国矿业大学
历届会议
-
2022年05月26日 中国 徐州市
第九届能源、资源、环境与可持续发展国际会议 -
2019年05月31日 中国 Xuzhou
能源、资源、环境与可持续发展国际会议
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