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发明公开
CN108028373A 二次电池用正极活性材料和包含其的二次电池 有权 转让

二次电池用正极活性材料和包含其的二次电池
摘要：
本发明提供一种二次电池用正极活性材料和包含其的二次电池，所述正极活性材料包含由下式1表示的锂复合金属氧化物粒子。[式1]LiaNi1‑x‑yCoxM1yM2zM3wO2在式1中，M1是由如下方程式1计算的表面能(ΔEsurf)为‑0.5eV以上的金属元素，M2是由如下方程式1计算的表面能(ΔEsurf)为‑1.5eV以上且小于‑0.5eV的金属元素，M3是由如下方程式1计算的表面能(ΔEsurf)小于‑1.5eV的金属元素，并且1.0≤a≤1.5，0
摘要（英）：

The present invention provides cathode active material comprising lithium composite metal oxide particles expressed by the chemical formula 1 below and a secondary battery comprising the cathode active material. [Chemical formula 1] LiaNi1-x-yCoxM1yM2zM3wO2 In the chemical formula 1, M1 is a metallic element having surface energy ([delta]Esurf) of -0.5 eV and higher as calculated by the mathematical formula 1 below, M2 is a metallic element having surface energy ([delta]Esurf) of-1.5 to-0.5 eV as calculated by the mathematical formula 1 below, and M3 is a metallic element having surface energy([delta]Esurf) of -1.5 eV and lower as calculated by the mathematical formula 1 below, where 1.0<=a<=1.5, 0

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