Electrochemical process for electrode material of spent lithium ion batteries
废旧锂离子电池电极材料的电化学过程
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标签:
Lithium ion battery
Electrode material
Leaching
Electrowinning
Cobalt
ai标签:
出版日期:2017
杂志名称:Waste Management卷号:68
期数:Complete
刊号:0956-053X
出版日期:2017
简介:Electrochemicalmethodforrecoveringcobaltandmanganesefromelectrodematerialsofspentlithiumionbatterieswasstudied.Electrochemicalleachingofcobaltandmanganesefromelectrodematerialwasoptimizedbyvaryingdifferentprocessparameterssuchastime,acidconcentrationandcurrentdensity.Bothcobaltandmanganesecouldeffectivelybeleachedoutatacurrentdensityof400?A/m-sup-2in3?husing2?Msulphuricacid.Inthesubsequentstudy,themetalliccobaltandelectrolyticmanganesedioxideswasrecoveredfromtheleachliquorat200?A/m-sup-2,pH2-2.5and90?°Cafterremovingaluminum.Thecommercialfeasibilityofthestudywastestedinpilotscale.OverallrecoveryofCo,CuandMnwasabove96%,97%and99%,respectively.
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