酸浸和沉淀组合工艺回收废锂离子电池中的钴和锂(英文)

被引：27

作者：

朱曙光 ^{[1
,2
]}

贺文智 ^{[1
]}

李光明 ^{[1
]}

周旭 ^{[1
]}

张骁君 ^{[1
]}

黄菊文 ^{[1
]}

机构：

[1] 同济大学环境科学与工程学院,污染控制与资源化研究国家重点实验室

[2] 安徽建筑工业学院环境与能源工程学院

来源：

TransactionsofNonferrousMetalsSocietyofChina | 2012年 / 22卷 / 09期

关键词：

废锂离子电池; 回收; 浸出; 沉淀;

D O I：

暂无

中图分类号：

X76 [机械、仪表工业废物处理与综合利用];

学科分类号：

摘要：

基于废锂离子电池中的金属在不同价态时的化学行为差异,通过化学精制从废弃锂离子电池中获取高附加值的钴锂化学产品。将从正极中分离出来的活性物质溶解在硫酸和过氧化氢溶液中,加入(NH4)2C2O4生成CoC2O4·2H2O 沉淀。在获得CoC2O4·2H2O 后,加 Na2CO3获得Li2CO3沉淀。实验结果表明:96.3% 的Co和87.5%的Li溶解在2mol/LH2SO4和2.0%H2O2(体积分数)溶液中,并且有94.7 %的Co和71.0%的Li以CoC2O4·2H2O和Li2CO3的形式沉淀下来。

引用

页码：2274 / 2281

页数：8

共 16 条

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