[1]周 涛,徐莉萍,范百林,等.从废旧钴镍锰酸锂电池中回收有价金属的新工艺[J].徐州工程学院学报(自然科学版),2017,(1):6-12.
 ZHOU Tao,XU Liping,FAN Bailin,et al.Recovering Valuable Metals from Spent Li-ion Batteries Witt Malic Acid[J].Journal of Xuzhou Institute of Technology(Natural Sciences Edition),2017,(1):6-12.
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从废旧钴镍锰酸锂电池中回收有价金属的新工艺()
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《徐州工程学院学报》(自然科学版)[ISSN:1674-358X/CN:32-1789/N]

卷:
期数:
2017年第1期
页码:
6-12
栏目:
专家特稿
出版日期:
2017-02-28

文章信息/Info

Title:
Recovering Valuable Metals from Spent Li-ion Batteries Witt Malic Acid
文章编号:
1674-358X(2017)01-0006-07
作者:
周 涛徐莉萍范百林罗传宝潘明希
中南大学 化学化工学院,湖南 长沙 410083
Author(s):
ZHOU TaoXU LipingFAN BailinLUO ChuanbaoPAN Mingxi
College of Chemistry and Chemical Engineering,Central South University,Changsha 410083, China
关键词:
废旧钴镍锰酸锂电池 正极活性物质 苹果酸 双氧水浸出
Keywords:
spent Li-ion batteries(LIBs) cathode active materials malic acid leaching
分类号:
O625.67
文献标志码:
A
摘要:
提出了一种环境友好型的从废旧钴镍锰酸锂电池中回收锂、钴、镍、锰的新方法.采用苹果酸作浸出剂和双氧水作还原剂对预处理得到的正极活性物质进行还原浸出,并通过研究不同反应条件对苹果酸浸出液中锂、钴、镍、锰浸出率的影响,从而找出最佳反应条件.研究结果表明:最佳反应条件为反应时间30 min、反应温度80 ℃、苹果酸浓度1.2 mol/L、液液体积比为1.5%、固液比40 g/L.在此条件下,苹果酸浸出液中锂、钴、镍、锰浸出率分别达到了98.9%, 94.3%, 95.1%和96.4%.
Abstract:
An Environmentally hydrometallurgical process was investigated to recover Li,Co,Ni and Mn from the cathode active materials of spent LiNi1/3Co1/3Mn1/3O2 batteries(LIBs).After pretreatment,malic acid was employed as leaching agent and hydrogen peroxide as reductant to dissolve the LiNi1/3Co1/3Mn1/3O2 obtained from spent LIBs.The optimal leaching conditions were obtained:the malic acid concentration of 1.2 M,hydrogen peroxide content of 1.5 vol.%,solid-to-liquid of 40 g/L,leaching temperature of 80 ℃,and leaching time of 30 min.The leaching efficiency of Li,Co,Ni and Mn can reach about 98.9%,94.3%,95.1% and 96.4%, respectively.

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备注/Memo

备注/Memo:
收稿日期:2016-10-03 基金项目:国家自然科学基金项目(21176266) 作者简介:周 涛(1963-),男,博士,教授,博士生导师,主要从事纳米材料、超微细颗粒的制备和表面改性、二次资源回收研究; 徐莉萍(1990-),女,硕士研究生,主要从事废旧锂离子电池回收研究.
更新日期/Last Update: 1900-01-01