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AssigneesUmicore AG & Co. KG, Umicore Korea Ltd.
InventorsMaxime Blangero, Liang Zhu, YuRi Lee, Kris Driesen
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A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M′-hydroxide, -oxyhydroxide or -carbonate, with M′=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70≤1-x-y-z≤0.95 and 0≤z<0.1, the precursor comprising having a core comprising a metal-bearing compound M′c and a shell comprising a metal-bearing compound M′s, wherein M′c=Ni1-xc-yc-zcMnxcCOycAzc with 0<xc≤0.2, 0<yc≤0.2, 0≤zc<0.1 and 0.75≤1-x-y-z≤0.95, and M′s=Ni1-xs-ys-zsMnxsCOysAzs with 0<xs≤0.25, 0.75<ys≤0.95, 0≤zs<0.1 and 0≤1-xs-ys-zs≤0.10.
A precursor compound for manufacturing a lithium transition metal-based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being one of a metal-bearing M′-hydroxide, -oxyhydroxide or -carbonate, with M′=Ni1-x-y-zMnxCoyAz with x>0, y>0, 0.70≤1x-y-z≤0.95, 0≤z<0.1, and A comprising one or more of Ti, Mg, W, Zr, Cr, V or Al, and the precursor comprising
Dependencies are inferred from the claim text.