从废旧锂离子电池中回收镍钴锰试验研究Recovery of Nickel,Cobalt and Manganese From Waste Lithium Ion Batteries
王子钰;王碧侠;袁文龙;于翔;赵瑛;宋永辉;马红周;
摘要(Abstract)：
研究了采用H_2SO_4+Na_2SO_3溶液从废旧锂电池正极材料中浸出有价金属镍、钴、锰，然后以共沉淀—固相法从浸出液中回收镍钴锰酸锂，考察了硫酸浓度、亚硫酸钠用量、浸出时间、温度和液固体积质量比对金属浸出率的影响。结果表明：在硫酸浓度2 mol/L、亚硫酸钠用量为理论量1.2倍、温度70℃、浸出时间90 min、液固体积质量比11 mL/1 g条件下，镍、钴、锰浸出率分别为98.21%、97.46%、96.87%;从浸出液中回收的镍钴锰酸锂结晶性良好，金属元素分布均匀，可用于制备电池正极。
关键词(KeyWords)： 锂离子电池;浸出;亚硫酸钠;镍钴锰酸锂;回收
基金项目(Foundation): 陕西省自然科学基础研究项目(2021JM-374)
作者(Authors): 王子钰;王碧侠;袁文龙;于翔;赵瑛;宋永辉;马红周;
DOI: 10.13355/j.cnki.sfyj.2022.05.009
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