化工进展 ›› 2019, Vol. 38 ›› Issue (02): 921-932.DOI: 10.16085/j.issn.1000-6613.2018-0359
黎华玲1,2,3(),陈永珍1,2,3,宋文吉1,2,3(),冯自平1,2,3
收稿日期:
2018-02-23
修回日期:
2018-06-19
出版日期:
2019-02-05
发布日期:
2019-02-05
通讯作者:
宋文吉
作者简介:
<named-content content-type="corresp-name">黎华玲</named-content>(1987—),女,硕士研究生,研究方向为锂离子电池材料。E-mail:<email>lihl1@ms.giec.ac.cn</email>。|宋文吉,博士,研究员,研究方向为大规模储电及控制技术。E-mail:<email>songwj@ms.giec.ac.cn</email>。
基金资助:
Hualing LI1,2,3(),Yongzhen CHEN1,2,3,Wenji SONG1,2,3(),Ziping FENG1,2,3
Received:
2018-02-23
Revised:
2018-06-19
Online:
2019-02-05
Published:
2019-02-05
Contact:
Wenji SONG
摘要:
近年来,随着三元体系锂离子电池市场份额的快速增加,退役三元锂离子电池将在未来出现爆发式增长,因此,回收三元锂离子电池电极材料中高价值的钴、镍、锂等有价金属成为电池行业的又一研究热点。本文详述了湿法回收三元电池电极材料有价金属的工艺流程和主要方法,重点介绍了有价金属的浸取方法、金属的分离提取、再合成利用和浸取动力学机理的研究进展,比较了工艺流程中不同处理方法的优缺点。并对回收退役三元电池材料的有价金属作了经济性分析,结果表明,三元电池材料有价金属回收具有可观的经济效益。最后对湿法回收三元电池材料中的有价金属方法进行总结,并简述了未来湿法回收处理方法的重要技术,包括化学纯化、自动化拆解以及完善的分类回收技术等,为未来三元电池材料回收技术发展提供参考。
中图分类号:
黎华玲, 陈永珍, 宋文吉, 冯自平. 湿法回收退役三元锂离子电池有价金属的研究进展[J]. 化工进展, 2019, 38(02): 921-932.
Hualing LI, Yongzhen CHEN, Wenji SONG, Ziping FENG. Research progress on the recovery of valuable metals in retired LiNi x Co y Mn z O2 batteries by wet process[J]. Chemical Industry and Engineering Progress, 2019, 38(02): 921-932.
产品名称 | 2017年产量/万吨 | 2016年产量/万吨 | 同比增长/% |
---|---|---|---|
三元材料 | 12.6 | 6.5 | 93.85 |
磷酸铁锂 | 10.1 | 7.4 | 36.49 |
钴酸锂 | 6.0 | 5.1 | 17.65 |
锰酸锂 | 3.6 | 2.6 | 38.46 |
合计 | 32.3 | 21.6 | 49.54 |
消耗碳酸锂量 | 11.0 | 7.3 | 52.14 |
表1 锂离子正极材料产量
产品名称 | 2017年产量/万吨 | 2016年产量/万吨 | 同比增长/% |
---|---|---|---|
三元材料 | 12.6 | 6.5 | 93.85 |
磷酸铁锂 | 10.1 | 7.4 | 36.49 |
钴酸锂 | 6.0 | 5.1 | 17.65 |
锰酸锂 | 3.6 | 2.6 | 38.46 |
合计 | 32.3 | 21.6 | 49.54 |
消耗碳酸锂量 | 11.0 | 7.3 | 52.14 |
电池材料 | 金属含量(当量)/% | 金属价值/万元 | ||||
---|---|---|---|---|---|---|
Co | Ni | Li2CO3当量 | Co | Ni | Li2CO3 | |
LiFePO4 | 0 | 0 | 23.24 | 0 | 0 | 2.89 |
LiMn2O4 | 0 | 0 | 20.28 | 0 | 0 | 2.52 |
LiCoO2 | 60.21 | 0 | 37.47 | 23.03 | 0 | 4.66 |
LiNi0.33Co0.33Mn0.33O2 | 20.28 | 20.20 | 38.26 | 7.75 | 1.65 | 4.76 |
LiNi0.8Co0.15Al0.05O2 | 9.20 | 48.87 | 38.21 | 3.52 | 3.99 | 4.76 |
LiNi0.8Co0.1Mn0.1O2 | 6.06 | 48.26 | 38.00 | 2.32 | 3.94 | 4.73 |
表2 锂离子电池中锂钴镍有价金属价值对比
电池材料 | 金属含量(当量)/% | 金属价值/万元 | ||||
---|---|---|---|---|---|---|
Co | Ni | Li2CO3当量 | Co | Ni | Li2CO3 | |
LiFePO4 | 0 | 0 | 23.24 | 0 | 0 | 2.89 |
LiMn2O4 | 0 | 0 | 20.28 | 0 | 0 | 2.52 |
LiCoO2 | 60.21 | 0 | 37.47 | 23.03 | 0 | 4.66 |
LiNi0.33Co0.33Mn0.33O2 | 20.28 | 20.20 | 38.26 | 7.75 | 1.65 | 4.76 |
LiNi0.8Co0.15Al0.05O2 | 9.20 | 48.87 | 38.21 | 3.52 | 3.99 | 4.76 |
LiNi0.8Co0.1Mn0.1O2 | 6.06 | 48.26 | 38.00 | 2.32 | 3.94 | 4.73 |
项目名称 | 具体内容 | 成本/元·吨-1 |
---|---|---|
原料 | 退役三元电池、碱、酸等化学试剂 | 20000 |
燃料动力 | 水、电等 | 700 |
设备维护 | 设备维修费、折旧费 | 600 |
环境处理 | 废气、废水、废渣等处理 | 700 |
人工 | 工资 | 600 |
其他费用 | 场地费、公摊费、税费等 | 6000 |
合计 | 28600 |
表3 回收处理LiNi1/3Co1/3Mn1/3O2三元退役电池成本
项目名称 | 具体内容 | 成本/元·吨-1 |
---|---|---|
原料 | 退役三元电池、碱、酸等化学试剂 | 20000 |
燃料动力 | 水、电等 | 700 |
设备维护 | 设备维修费、折旧费 | 600 |
环境处理 | 废气、废水、废渣等处理 | 700 |
人工 | 工资 | 600 |
其他费用 | 场地费、公摊费、税费等 | 6000 |
合计 | 28600 |
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