Active material and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the positive electrode

摘要

A positive electrode for a rechargeable lithium battery includes a first positive active material represented by Li a Ni b Co c M d O 2 , and a second positive active material represented by Li e Ni f Co g Mn h O 2 , whereby M is selected from Al, B, Cr, Fe, Mg, Sr, and V, 0.95 ‰¤a‰¤1.1, 0.5‰¤b‰¤0.9, 0