This includes preparing an anode active material for {HEAD ~ rechargeable lithium batteries}, including {TAIL ~ heat} treating a mixture of Li2CO3, MnO2, MgO, Al2O3 and Co3O4 at 900 1000° C. in air or oxygen for 10 48 hours, generating a lithium containing 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 
including
This includes preparing an anode active material for { HEAD ~ rechargeable lithium batteries } , including { TAIL ~ heat } treating a mixture of Li2CO3 , MnO2 , MgO , Al2O3 and Co3O4 at 900 1000 ° C. in air or oxygen for 10 48 hours , generating a lithium containing 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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