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  • 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

    0 约7页 pdf
    标签: Lithium ion battery Electrode material Leaching Electrowinning Cobalt

    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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