This includes preparing an anode active material for rechargeable lithium batteries, including heat treating a mixture of Li2CO3, MnO2, MgO, Al2O3 and Co3O4 at 900 1000° C. in air or oxygen for 10 48 hours, generating {HEAD ~ a lithium} containing {TAIL ~ oxide}; generating metal oxide nanoparticles MO ; and dry or wet mixing 0.01 10 wt % of pulverized metal oxide nanoparticles with the lithium containing oxide to form an anode active material 
This includes preparing an anode active material for rechargeable lithium batteries , including heat treating a mixture of Li2CO3 , MnO2 , MgO , Al2O3 and Co3O4 at 900 1000 ° C. in air or oxygen for 10 48 hours , generating { HEAD ~ a lithium } containing { TAIL ~ oxide } ; generating metal oxide nanoparticles MO ; and dry or wet mixing 0.01 10 wt % of pulverized metal oxide nanoparticles with the lithium containing oxide to form an anode active material
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