采用酸浸法从废旧锂离子电池中回收金属钴.pdf.pdf

第 16卷第 2期哈尔滨理工大学学报
2011年 4月 JOURNAL OF HARBIN UNIVERSITY OFSCIENCE AND TECHNOLOGY
采用酸浸法从废旧锂离子电池中回收金属钴
乔秀丽, 田军, 马松艳, 赵东江
(绥化学院制药与化学工程系,黑龙江绥化 152061)
摘要:分别采用盐酸一30%过氧化氢、硫酸一30%过氧化氢和硝酸一30%过氧化氢为浸取
液,回收锂离子电池正极材料中的金属钴,研究了浓度、温度、30%过氧化氢的量、反应时间、固一液
,盐酸一3O%过氧化氢最适宜做浸取液,最佳
工艺条件为:盐酸浓度为 /,L,盐酸一30%过氧化氢体积比为 5:l,反应时间 min,反应61 温度
73℃,固一液比(g/mL)为1:,在此条件下,C0“浸出率达到 %.
关键词:酸浸法;废旧锂离子电池;响应面分析;钴
中图分类号:X705 文献标志码:A 文章编号:1007—2683(2011)02—0106—04
The Recovery 0fCobalt frOm the Spent Lithium—ion Batteries
Using Acid Leaching Method
QIAOXiu—li, , MASong—yan, ZHAO Dong-jiang
(Department of Medical and Chemical Engineering,SuihuaChemical and Medical University,Suihua 152061,China) of (Department
Abstract:The metal cobalt inlithium—ion battery cathode material recycledis by hydrochloric acid—hydrogen
peroxide,sulfuric acid—hydrogen peroxide and acid—hydrogen nitric peroxide asthe leachingsolution,respectively.
The influences of concentration, temperature,amount of hydrogen peroxide,reaction time,solid—liquid onratio
leaching efficiencycobalt ofion are results have shown that the hydrochloric acid—hydrogen
peroxide system themost is appropriate optimum process conditions mol/Lhydro— of
chloric acid concentration,5:1 hydrochloricof acid-hydrogen perox